Fujitsu Assigned Nine Patents

Storage control device
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,592,349) developed by Endo, Atsushi, and Fujihara, Takashi, Kawasaki, Japan, for “storage control device and storage apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage control device includes a processor which performs first copy of copying first data stored in a first storage device into a first backup region upon detecting a failure presage in the first storage device. The processor performs first write of writing second data specified in a first write request to the first storage device and second write of writing the second data into the first backup region upon receiving the first write request while performing the first copy. The processor performs second copy of copying third data stored in the first backup region to a second storage device upon completing the first copy. The processor performs third write of writing fourth data specified in a second write request to the second storage device in place of the first storage device upon receiving the second write request after completion of the second copy.”

The patent application was filed on September 5, 2017 (15/695,481).

Storage apparatus, and information processing
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,585,601) developed by Yamaguchi, Akio, Hekinan, Japan, Kawamoto, Atsushi, Kasugai, Japan, and Shinozaki, Yoshinari, Kawasaki, Japan, for “information processing apparatus, storage apparatus, and information processing system wherein virtual volume to physical volume mapping is updated from management machine responsive to storage indicating said physical volume is not present.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An information processing apparatus includes a memory and a processor configured to obtain information on a relation between virtual volumes used by a virtual machine and physical volumes provided in a storage apparatus from a management machine configured to manage allocations of the virtual volumes to the physical volumes, store the obtained information into a management information stored in the memory, and in response to receiving a copy request, obtain information on a first physical volume allocated to the first virtual volume designated as a copy participant in the copy request from the management information when the information on the first virtual volume is present in the management information, and send the storage apparatus a copy instruction designating the first physical volume as a copy participant. Obtain the information on the relation is performed when the information on the first virtual volume is not present in the management information.”

The patent application was filed on February 13, 2017 (15/430,995).

Control device, and storage
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,579,541) developed by Kato, Jun, Kawasaki, Japan, for “control device, storage system and method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A control device includes a cache memory configured to store a first, a second, a third and a fourth list, each of the first, the second, the third and the fourth list storing information indicating data stored in the cache memory, and each of the first, the second, the third and the fourth list being managed under a LRU algorithm, and when first data stored in the storage device is accessed, register first information indicating the first data into the first list, and when the first data is stored in the storage device, register second information indicating the first data into the second list, a processor coupled to the memory and configured to receive a first request for reading the first data, and based on the first request, move the first information from the first list to the third list, while remain the second information in the second list.”

The patent application was filed on October 24, 2017 (15/791,460).

Information storage device and method for deduplication
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,564,848) developed by Maeda, Munenori, Yokohama, Japan, for “information storage device and method for deduplication.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An information storage device includes a memory and a processor coupled to the memory. The memory is configured to store therein a plurality of data. The processor is configured to receive a write request of writing first data to the memory. The processor is configured to perform an exclusive OR operation on the first data and second data of the plurality of data to obtain first difference data. The processor is configured to encode the first difference data by a run-length encoding to obtain encoded data. The processor is configured to determine whether a first size of the encoded data is smaller than a predetermined threshold value. The processor is configured to store, upon determining that the first size is smaller than the predetermined threshold value, the encoded data in the memory in association with first position information indicating a position of the second data.”

The patent application was filed on March 29, 2017 (15/472,616).

Drive controlling apparatus, electronic device, computer-readable recording medium
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,564,723) developed by Kamata, Yuichi, Isehara, Japan, and Endo, Yasuhiro, Ebina, Japan, for “drive controlling apparatus, electronic device, computer-readable recording medium, and drive controlling method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A drive controlling apparatus for driving a vibrating element of an electronic device, which includes, a coordinate detector that detects coordinates of a manipulation input performed on a manipulation input surface: a data storage part that stores basic waveform data representing a basic waveform representing a time change of amplitude of a driving signal for generating a natural vibration in the manipulation input surface, amplitude values arranged in a time series manner constituting the basic waveform, a waveform generating part that generates first waveform data representing a first waveform obtained by changing a basic frequency or the amplitude values, a waveform combining unit that generates first combined waveform data representing a first combined waveform by combining the basic waveform and the first waveform, and a drive controlling part that drives the vibrating element by changing the amplitude of the driving signal based on the first combined waveform data.”

The patent application was filed on July 7, 2017 (15/644,259).

Storage control, storage management, and non-transitory computer-readable storage medium
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,552,039) developed by Nakata, Natsumi, Kawasaki, Japan, and Makida, Toshiharu, Numazu, Japan, for “storage control apparatus, storage management system, and non-transitory computer-readable storage medium.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage control apparatus including a memory and a processor coupled to the memory and the processor configured to execute a process, the process including storing, in the memory, management information including an operation history for a storage region of a storage device, specifying at certain timing, from the management information, a first operation that has been executed to set a configuration of the storage region to a configuration at the certain timing, determining a second operation from among operations, in the management information, that precede the execution of the first operation and that target the storage region, deleting the second operation from the management information, and transmitting the management information after the deletion to a management apparatus that manages a state of the storage region of the storage device.”

The patent application was filed on December 22, 2017 (15/852,930).

Storage controlling apparatus, computer-readable recording medium having storage controlling program
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,528,468) developed by Akiyama, Shigeru, Kawasaki, Japan, Ogasawara, Yasuhiro, Fujisawa, Japan, Matsuda, Tsukasa, Kawasaki, Japan, Nishi, Hidetoshi, Nagano, Japan, and Kosokabe, Hitoshi, Kawasaki, Japan, for “storage controlling apparatus, computer-readable recording medium having storage controlling program stored therein, and storage controlling method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage controlling apparatus includes a processor, wherein the processor: controls a first counter configured to count, among data stored in a cache memory and relating to an access request, a number of data which are not written in storage volumes of a target of the access request, for each storage volume, determines, in response to reception of a first access request, whether or not a first ratio of a counter value of the first counter to a number of data allocated already to the cache memory into a first storage volume exceeds a first threshold value, the counter value of the first counter corresponding to the first storage volume which is a target of the first access request, and performs a write back process of data from the cache memory into the first storage volume where the first ratio exceeds the first threshold value.”

The patent application was filed on August 29, 2016 (15/249,515).

Storage system, storage control device
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,528,275) developed by Suzuki, Toshihiko, Kawasaki, Japan, for “storage system, storage control device, and method of controlling a storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage system includes a first storage control device including a first memory being a volatile memory and a first processor, and a second storage control device including a second memory being a non-volatile memory and a second processor, wherein the second processor is configured to receive a first write request to write first data into a first storage device, store the first data into the second memory, and transmit the first data to the first storage control device, the first processor is configured to store the first data into the first memory, and transmit a first notification to the second storage control device, and the second processor is configured to receive the first notification, transmit a first completion notification in response to the first write request, and execute processing to write the first data, stored in the second memory, into the first storage device.”

The patent application was filed on June 6, 2017 (15/615,269).

Storage apparatus and storage control
Fujitsu Ltd., Kawasaki, Japan, has been assigned a patent (10,521,131) developed by Yamamoto, Kazuhiko, Inagi, Japan, for “storage apparatus and storage control apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage apparatus of the present disclosure includes a plurality of storing units having different life times, and a processor configured to manage a data block to be stored in the plurality of storing units. The processor is configured to determine or infer an access characteristic for the data block, and store the data block in a storing unit in accordance with the determined or inferred access characteristic, among the plurality of storing units having the different life times. This enables to extend the life times of the storing units.”

The patent application was filed on August 17, 2017 (15/679,404).