SK hynix Assigned Fifteen Patents

Data storage apparatus and operating method
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12287979) developed by Kim; Jin Pyo, Gyeonggi-do, Korea, for “data storage apparatus and operating method thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data storage apparatus includes a nonvolatile memory device including a dump region configured to temporarily store data according to a state of applied power; and a controller configured to monitor health information of the dump region of the nonvolatile memory device, generate environmental information corresponding to a power loss protection (PLP) operation based on the health information, and share the environmental information with an external device.”

The patent application was filed on 2023-12-20 (18/390533).

Storage device for collecting optimal debugging data and system including storage device
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12287736) developed by Lee; Seon Ju, and Kim; Geon Woo, Gyeonggi-do, Korea, for “storage device for collecting optimal debugging data and system including the storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present disclosure relates to a storage device that optimally maintains a size of debugging data. Disclosed is a memory controller, including a first interface may communicate with a first external device; a second interface may generate a signal for controlling an operation of a second external device; a first volatile memory buffer; and a processor may generate and store the telemetry log data in the first volatile memory buffer; move and store the telemetry log data stored in the first volatile memory buffer to a first non-volatile memory buffer, when a size of the telemetry log data stored in the first volatile memory buffer is greater than or equal to a threshold size; and set the threshold size based on at least one among a number of telemetry logs stored in the first volatile memory buffer and a rising momentum of the number of the telemetry logs.”

The patent application was filed on 2023-06-19 (18/337052).

Storage device for managing buffer storing logical to physical mapping unit, and method for operating
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12287977) developed by Choi; Sae Gyeol, Icheon-si, and Kang; Hye Mi, Icheon-si, Korea, for “storage device for managing buffer storing a logical to physical mapping unit, and method for operating the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device may dynamically allocate, to a buffer, at least one among M number of buffer units each capable of storing at least one of a plurality of L2P mapping units. When receiving, from an external device, a mapping unit command requesting one or more target L2P mapping units among the plurality of L2P mapping units, the storage device may store the target L2P mapping units in the buffer before transmitting the target L2P mapping units to the external device.”

The patent application was filed on 2024-01-02 (18/402721).

Host device, storage device, and electronic device
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12287978) developed by Yang; Soon Yeal, Gyeonggi-do, Korea, for “host device, storage device, and electronic device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “According to an embodiment of the present technology, an electronic device may include a host device including: an application requesting to write data; and a file system configured to generate, in response to the request of the application, a log regarding a property of data, and allocate a section corresponding to the data based on the log; and a storage device comprising: a memory device including a plurality of memory dies; and a memory controller configured to control the memory device to receive the data and the log of the data from the host device, and sequentially store the data in a physical zone corresponding to the section.”

The patent application was filed on 2023-09-11 (18/464289).

Storage device including memory controller and operating method
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12287972) developed by Kang; Hye Mi, Gyeonggi-do, Korea, for “storage device including memory controller and operating method thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A memory controller includes: a program operation controller configured to control a memory device to store data and individual mapping information; a mapping information storage configured to store therein mapping information; a mapping information update controller configured to control the memory device to store the mapping information in a second memory block; perform an update operation of updating the mapping information, and delay, when sequentiality of a predetermined number or more of logical addresses is maintained with respect to the predetermined time, the update operation until the sequentiality is broken; and a Sudden Power Off Recovery (SPOR) controller configured to receive the individual mapping information, recover the mapping information for the data stored in the page during a delay section and provide the recovered mapping information to the mapping information storage.”

The patent application was filed on 2022-09-12 (17/942517).

Memory control circuit providing die-level read retry table, memory package, and storage device
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12283307) developed by Son; Jae Yong, Kim; Nam Kyeong, Cho; Hoon, Kwon; Hyuk Min, Kim; Dae Sung, Kim; Jang Seob, and Yun; Sang Ho, Icheon-si, Korea, for “memory control circuit providing die-level read retry table, memory package, and storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device includes a memory including a plurality of word lines, a plurality of bit lines and a plurality of memory cells, and a controller configured to control the memory and perform a read retry operation for the memory using a read retry table. The memory includes a special block that stores a read retry table in which a plurality of read retry values are set for each of a plurality of first conditions and each of a plurality of second conditions corresponding to each of the plurality of first conditions.”

The patent application was filed on 2022-12-07 (18/063007).

Controller, storage device and test system
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12282401) developed by Baek; Seung Hwa, Icheon-si, Korea, for “controller, storage device and test system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device operates in host mode or device mode, and the storage device operating in host mode may transmit and receive various information units with the storage device operating in device mode to perform tests on the storage device operating in device mode, thereby performing the test of a storage device in development.”

The patent application was filed on 2023-05-16 (18/318655).

Error correction decoder, storage device including error correction decoder, and operating method
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12282389) developed by Kim; Dae Sung, Gyeonggi-do, Korea, for “error correction decoder, storage device including error correction decoder, and operating method thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device may include a memory device and a memory controller. The memory device may store data. The memory controller may iterate error correction decoding on data read from the memory device, determine whether to continue iterating based on a result obtained by comparing a first threshold number with a number of Unsatisfied Check Nodes (UCNs) included in a syndrome of first decoded data, which is a result of a first set number of iterations of the error correction decoding on the read data, and determine whether to continue iterating based on a result obtained by comparing a second threshold number with a number of UCNs included in a syndrome of second decoded data, which is a result of a sum of the first set number and a second set number of iterations of the error correction decoding on the read data.”

The patent application was filed on 2023-10-31 (18/498047).

Apparatus and method for controlling pooled memory device or memory expander
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12277336) developed by Lee; Ho Kyoon, Ko; Kwang Jin, and Ryu; Jun Hee, Gyeonggi-do, Korea, for “error correction decoder, storage device including error correction decoder, and operating method thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A pooled memory device includes plural memory devices and a controller. The plural memory devices include a first memory and a second memory with at least one power supply configured to control power supplied to each of the plural memory devices. The controller is coupled to an interconnect device which is configured to provide the plural memory devices to at least one external device as a logical device. The controller is configured to track available storage capacities of the first memory and the second memory and cut off power supplied to an unused memory among the first memory and the second memory.”

The patent application was filed on 2023-02-23 (18/173085).

Storage device
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12277335) developed by Kwon; Lee Hyun, Icheon-si Gyeonggi-do, Korea, for a “storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device includes a memory device including a plurality of memory blocks, and a controller configured to move first data from a single level cell (SLC) memory block to a first memory block having a target density lower than a maximum density based on a waiting time and to move second data from the SLC memory block to a memory block having the maximum density based on the waiting time.”

The patent application was filed on 2023-04-21 (18/305229).

Memory controller performing training to improve communication and method of operating
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12272425) developed by Jeong; Nam Hyeok, Choi; Kwang Ho, Choi; Moon Hyeok, Ha; Tae Woong, and Hwang; Yong Wan, Gyeonggi-do, Korea, for “memory controller performing training to improve communication and method of operating the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present technology relates to an electronic device. According to the present technology, a memory controller may include a training controller, a training data storage, and a machine learning processor. The training controller may perform training of correcting interface signals exchanged with a memory device, generate training data that is a result of the training, and output the training data as sample training data based on a comparison result of a training reference and the training data. The training data storage may store training history information including plural pieces of sample training data. The machine learning processor may update the training reference through machine learning based on the training history information.”

The patent application was filed on 2022-06-21 (17/845259).

Computer system performing garbage collection and method of operating
SK hynix Inc., Gyeonggi-do, Korea, has been assigned a patent (12271629) developed by Jeon; Jeong Ho, and Kwon; Kang Rak, Gyeonggi-do, Korea, for “computer system performing garbage collection and method of operating the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present technology relates to an electronic device. According to the present technology, a host device may include a garbage collection controller and an idle time processor. The garbage collection controller may provide, to a storage device, a health information request command for requesting health information including a host write amount and a storage device write amount, provide, to the storage device, a first garbage collection control command for requesting garbage collection cost information based on the health information, provide, to the storage device, a second garbage collection control command for instructing to perform garbage collection based on the garbage collection cost information and an idle time of the storage device. The idle time processor may process information on the idle time.”

The patent application was filed on 2022-12-14 (18/081519).

Storage device, controller and method for performing global wear-leveling
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12271600) developed by Jin; Byoung Min, Kwon; Ku Ik, and Hong; Gyu Yeul, Icheon-si, Korea, for “storage device, controller and method for performing global wear-leveling.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device, a controller, and a method for performing global wear-leveling may count write counts of a plurality of respective cores in each of a plurality of logical areas each including logical block address groups of the plurality of cores, determine, on the basis of degradation counts of the plurality of cores, a first core and a second core for which data swap is to be performed, determine a target logical area among the plurality of logical areas on the basis of a write count of the first core and a write count of the second core, and perform data swap between a first logical block address group of the first core included in the target logical area and a second logical block address group of the second core included in the target logical area.”

The patent application was filed on 2023-03-07 (18/179781).

Storage device and operating method
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12260932) developed by Lee; Seok Min, Icheon-si, Korea, for “storage device and operating method thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device includes: an embedding vector manager for determining an estimated access frequency of each of a plurality of embedding vectors, based on a learning data set, and dividing the plurality of embedding vectors into a plurality of embedding vector groups, based on an order of the estimated access frequencies; and a plurality of memory cell arrays for each storing embedding vectors included in any one embedding vector group among the plurality of embedding vector groups.”

The patent application was filed on 2023-05-25 (18/323507).

Data storage device and method of operating
SK hynix Inc., Icheon-si, Korea, has been assigned a patent (12254190) developed by Jang; Eun Soo, Icheon-si, Korea, for “data storage device and method of operating the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present technology relates to an electronic device. Based on the present technology, a storage device providing an improved security function may include a memory device including a protected memory block that is configured to store information for authenticating data to be read from or written to the memory device and is protected by a security protocol and a memory controller configured to receive a command protocol unit associated with the security protocol in a command including a host side protection message requesting data from a host be written in the protected memory block and perform a computation of a device message authentication code to be used in an authentication operation of the protected memory block, wherein the computation is performed concurrently with receiving a plurality of data units including the data from the host that is to be written in the protected memory block.”

The patent application was filed on 2021-05-26 (17/330985).