Patents by Inventor Akira Yamamoto

Akira Yamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11365784
    Abstract: An eccentric oscillation type speed reducer includes: an external gear which meshes with the internal gear; an eccentric body shaft which oscillates the external gear; and an input shaft bearing which supports the eccentric body shaft. The casing and the external gear are made of resin, and the input shaft bearing is made of metal.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: June 21, 2022
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Mitsuhiro Tamura, Akira Yamamoto
  • Publication number: 20220187596
    Abstract: An optical system guides a light beam from a display element to an exit pupil. The optical system includes a first optical element including a transmission surface, a reflection-transmission surface, and a reflection surface, and a negative lens including a concave surface on an exit pupil side. The light beam from the display element heads toward the exit pupil via the transmission surface, the reflection-transmission surface, the reflection surface, the reflection-transmission surface, and the negative lens in this order. A predetermined condition is satisfied.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 16, 2022
    Inventors: Akira Yamamoto, Keiichiro Ishihara
  • Publication number: 20220171241
    Abstract: A polarized light irradiation device of the present disclosure has: a light source unit which continuously emits polarized light; a light shaping unit which shapes the polarized light emitted from the light source unit into a preset shape to irradiate an irradiation target object with the shaped polarized light; a transport mechanism which transports the irradiation target object relative to the light source unit; and an interlocking mechanism which periodically and continuously changes a direction of linearly polarized light applied to the irradiation target object or an azimuthal angle of elliptically polarized light applied to the irradiation target object according to an amount of transport of the irradiation target object relative to the light source unit by the transport mechanism.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Inventors: Akira YAMAMOTO, Makoto KAMO
  • Publication number: 20220164146
    Abstract: A storage system includes: a controller which includes a processor and a memory; and one or more storage devices. The controller sets a plurality of logical volumes, stores data related to a write request in the memory when the write request is received in the logical volume, and collectively compresses a plurality of pieces of data related to the write request in the memory and writes the compressed data to the storage device. When a plurality of pieces of data related to a plurality of the logical volumes that need to be written to the storage device exist in the memory, the controller selects the plurality of pieces of data in an identical logical volume, and collectively compresses the plurality of pieces of selected data and writes the compressed data in the storage device.
    Type: Application
    Filed: September 13, 2021
    Publication date: May 26, 2022
    Inventors: Masahiro TSURUYA, Norio SHIMOZONO, Akira YAMAMOTO, Kentaro SHIMADA, Takashi NAGAO
  • Publication number: 20220147456
    Abstract: In a complex system including; one or more storage systems including a cache and a storage controller; and one or more storage boxes including a storage medium, the storage box generates redundant data from write data received from a server, and writes the write data and the redundant data to the storage medium. The storage box transmits the write data to the storage system when it is difficult to generate the redundant data or it is difficult to write the write data and the redundant data to the storage medium. The storage system stores the received write data in the cache.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 12, 2022
    Inventors: Akira YAMAMOTO, Ryosuke TATSUMI, Yoshinori OHIRA, Junji OGAWA
  • Patent number: 11327653
    Abstract: A storage system for continuing I/O without affecting drive box addition to a host computer includes: a plurality of drive boxes for connecting to a computer device that transmits commands for data reads or writes; and a storage controller connected to the drive boxes. A first drive box provides a first storage region to the computer device. The storage controller manages correspondence between the first storage region and a physical storage region of the drives constituting the first storage region. The first drive box receives a command for the first storage region from the computer device and transfers the command to the storage controller. The storage controller generates a data transfer command including a data storage destination based on the address management table, and transfers the command to the first drive box. The first drive box then transfers the data transfer command to the second drive box.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 10, 2022
    Assignee: HITACHI, LTD.
    Inventors: Nobuhiro Yokoi, Hirotoshi Akaike, Ryosuke Tatsumi, Koji Hosogi, Akira Yamamoto
  • Patent number: 11318425
    Abstract: The apparatus includes: a producing unit that generates ultrafine bubbles in a liquid supplied from a liquid introducing unit to produce an ultrafine bubble-containing liquid containing the ultrafine bubbles, and delivers the ultrafine bubble-containing liquid; a liquid delivering unit that delivers the ultrafine bubble-containing liquid to an outside; a buffer tank that receives the liquid delivered from the producing unit and delivers the liquid to the liquid delivering unit; and a controller that controls the delivery of the ultrafine bubble-containing liquid from the buffer tank to the liquid delivering unit such that, if the producing unit stops operating, an ultrafine bubble-containing liquid accumulated in the buffer tank is delivered to the liquid delivering unit to enable the liquid delivering unit to deliver the ultrafine bubble-containing liquid to the outside.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 3, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akitoshi Yamada, Masahiko Kubota, Akira Yamamoto, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki, Toshio Kashino
  • Publication number: 20220121402
    Abstract: The present invention realizes a storage device that has a high data reduction effect without decreasing I/O performances. The storage device includes a processor, an accelerator, a memory, and a storage medium, the processor specifies data to be compressed that is data stored in the storage medium from data stored in the memory and transmits a compression instruction including information relating to the data to be compressed to the accelerator, and the accelerator reads the plurality of continuous items of data from the memory and compresses the plurality of items of data to be compressed obtained by excluding data that is not to be compressed from the plurality of items of data, based on the information relating to the data to be compressed received from the processor, to generate compressed data stored in the storage device.
    Type: Application
    Filed: December 24, 2021
    Publication date: April 21, 2022
    Inventors: Takashi NAGAO, Tomohiro YOSHIHARA, Akira YAMAMOTO, Yuusaku KIYOTA
  • Publication number: 20220118753
    Abstract: Provided is an on-press development type lithographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound, and a color-developing substance precursor, and in a case where the image-recording layer is exposed to an infrared laser having a wavelength of 830 nm at an energy density of 110 mJ/cm2, a loss of ethylenically unsaturated bonds in an exposed area in the image-recording layer is 10% to 40% of ethylenically unsaturated bonds in a non-exposed area in the image-recording layer. Also provided is a method for preparing a lithographic printing plate or a lithographic printing method using the on-press development type lithographic printing plate precursor.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 21, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Natsumi Yokokawa, Kazuaki Enomoto, Akinori Fujita, Yusuke Namba, Akira Sakaguchi, Akira Yamamoto, Ichiro Koyama
  • Patent number: 11296073
    Abstract: An object is to provide a semiconductor device that can prevent increase in the package size and detect a current with high precision by suppressing a current induced by magnetic flux. A semiconductor device 1 is connectable to a control board 100 detecting a current flowing through an IGBT 3 included in the semiconductor device 1 and functioning as a semiconductor element. The semiconductor device 1 includes an insulating substrate, the IGBT 3, and a sense resistor 4. The IGBT 3 is disposed on the insulating substrate 2, and includes a sense electrode and an emitter electrode. The sense resistor 4 is disposed on the insulating substrate 2, and has one end connected to the sense electrode and the other end connected to the emitter electrode. The control board 100 detects a potential difference between both ends of the sense resistor 4 to detect the current flowing through the IGBT 3.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: April 5, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuki Hata, Akira Yamamoto
  • Publication number: 20220100547
    Abstract: A compound storage system including: a storage box having a plurality of storage devices; and a plurality of servers capable of executing one or more virtual machines. The storage box stores a logical volume. The virtual machines executable by the server include an application VM and a controller VM. When a predetermined situation occurs in which an application VM of a migration source server is migrated to a predetermined migration destination server, at least one processor of the one or more servers in the compound storage system migrates the application VM to the migration destination server, and migrates a control right of a logical volume used by the application VM to a controller VM of the migration destination server.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 31, 2022
    Applicant: Hitachi, Ltd.
    Inventors: Akira Yamamoto, Hiroto Ebara, Takaki Nakamura, Yoshinori Ohira
  • Publication number: 20220100424
    Abstract: In a multi controller storage system, hardware and software are updated without interruption. The storage system including a node has storage control units each including a processor, a memory, and a port; and a storage drive, and the storage control units each request data access and transmit and receive data with respect to a host computer via the ports. The processors process input and output data from the host computer, the memories store the control information in order to access the data stored in the storage drive, and the storage system transmits the control information stored in the memories to another node, stores the control information in the memories of the storage control units, and sets ports of the other node in consideration of a relationship between the storage control units and the ports of the nodes, if the other node can access data relating to the control information.
    Type: Application
    Filed: March 11, 2021
    Publication date: March 31, 2022
    Inventors: Ryosuke TATSUMI, Akira YAMAMOTO, Kazuki MATSUGAMI
  • Patent number: 11274736
    Abstract: A bending meshing type gear device includes a wave generator, an external gear which is bent and deformed by the wave generator, and internal gears which meshes with the external gear. One of the external gear and the internal gears is formed of a resin, and the other of the external gear and the internal gears is formed of a high thermal conductivity material having thermal conductivity higher than that of the resin. The gear device further include an abutment member which is connected to the internal gear and abuts the external gear, the internal gear is formed of the resin, the external gear is formed of the high thermal conductivity material, and the abutment member is formed of a high thermal conductivity material having thermal conductivity higher than that of the resin.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: March 15, 2022
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Mitsuhiro Tamura, Akira Yamamoto, Masahiro Watanabe
  • Publication number: 20220066664
    Abstract: Each controller moves authority for access processing to data in a logical area allocated to the controller between the controllers, for a first storage area in which there is data related to the logical areas of the plurality of controllers by moving the authority for the access processing from a first controller to a second controller. Each of the first controller and the second controller writes data after update related to a write request to the storage area allocated to the own controller and deletes data before update in the first storage area, and moves data for which the own controller has the authority for the access processing in the first storage area to another storage area allocated to the own controller while taking over the allocation of the first storage area in relocation processing of relocating data.
    Type: Application
    Filed: March 8, 2021
    Publication date: March 3, 2022
    Inventors: Shugo OGAWA, Kazuki MATSUGAMI, Ryosuke TATSUMI, Akira YAMAMOTO
  • Publication number: 20220040109
    Abstract: The present invention relates to a compound having a macromolecular carrier having a plurality of terminal groups, wherein the carbonyl group of serine is linked by a peptide bond or an ester bond directly or via a linker to the terminal groups, a carrier for drug delivery composed of the compound, and a medicament for preventing or treating renal diseases, containing the carrier for drug delivery and a drug bonded to the carrier directly or via a linker or encapsulated therein. According to the present invention, a carrier for drug delivery that is selectively accumulated in kidney in vivo can be provided.
    Type: Application
    Filed: August 25, 2021
    Publication date: February 10, 2022
    Inventors: Hidemasa Katsumi, Akira Yamamoto
  • Patent number: 11237962
    Abstract: In a complex system including; one or more storage systems including a cache and a storage controller; and one or more storage boxes including a storage medium, the storage box generates redundant data from write data received from a server, and writes the write data and the redundant data to the storage medium. The storage box transmits the write data to the storage system when it is difficult to generate the redundant data or it is difficult to write the write data and the redundant data to the storage medium. The storage system stores the received write data in the cache.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: February 1, 2022
    Assignee: HITACHI, LTD.
    Inventors: Akira Yamamoto, Ryosuke Tatsumi, Yoshinori Ohira, Junji Ogawa
  • Publication number: 20220023184
    Abstract: To develop a novel administration method of a fucoidan-containing hair-growing agent and to provide a means for exerting excellent effects of a fucoidan. A hair-growing agent of the present invention is characterized in that it is composed of a combination of a fucoidan-containing microneedle and a fucoidan-containing liniment. A base of the fucoidan-containing microneedle is preferably a biosoluble polymer. A hair-growing method of the present invention is characterized in that the fucoidan-containing microneedle and the fucoidan-containing liniment are concomitantly used.
    Type: Application
    Filed: October 11, 2021
    Publication date: January 27, 2022
    Inventors: Ying-shu Quan, Hirofumi Yamashita, Fumio Kamiyama, Akira Yamamoto, Hidemasa Katsumi
  • Publication number: 20220011618
    Abstract: Provided are a reflective sheet including a cholesteric liquid crystal layer and having excellent reflection wavelength range, diffuse reflectivity, reflectivity, hardness, and scratch resistance; and a transfer film for a reflective sheet that is used for the reflective sheet. The reflective sheet includes a substrate, an adhesive layer, a cholesteric liquid crystal layer, and a hard coat layer in this order, in which in a cross-section of the cholesteric liquid crystal layer observed, at least a part of bright portions and dark portions has a flapping structure, the cholesteric liquid crystal layer has a pitch gradient structure in which a helical pitch changes in a thickness direction, and the helical pitch on the adhesive layer side is larger than that on the hard coat layer side.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 13, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Ryuji SANETO, Akira YAMAMOTO, Hideki KANEIWA, Makoto ISHIGURO, Michio NAGAI
  • Patent number: 11220949
    Abstract: An exhaust silencer device which is interposed in an exhaust passage in a vehicle to reduce exhaust noise comprises a sub-muffler which is interposed in the exhaust passage and has an expansion chamber formed therein; an inlet pipe which is airtightly inserted through an inlet opening of the sub-muffler; and an outlet pipe which is airtightly inserted through an outlet opening of the sub-muffler, wherein the inlet pipe and the outlet pipe are formed with openings (small apertures, non-joined portions) only in their upper half area and their lower half area is sealed without having the openings.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: January 11, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, FUTABA INDUSTRIAL CO., LTD.
    Inventors: Taiki Teramoto, Takato Ishihata, Takehiro Miura, Akira Yamamoto
  • Patent number: 11210032
    Abstract: The present invention realizes a storage device that has a high data reduction effect without decreasing I/O performances. The storage device includes a processor, an accelerator, a memory, and a storage medium, the processor specifies data to be compressed that is data stored in the storage medium from data stored in the memory and transmits a compression instruction including information relating to the data to be compressed to the accelerator, and the accelerator reads the plurality of continuous items of data from the memory and compresses the plurality of items of data to be compressed obtained by excluding data that is not to be compressed from the plurality of items of data, based on the information relating to the data to be compressed received from the processor, to generate compressed data stored in the storage device.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: December 28, 2021
    Assignee: HITACHI, LTD.
    Inventors: Takashi Nagao, Tomohiro Yoshihara, Akira Yamamoto, Yuusaku Kiyota