Patents by Inventor Kazuhiro Suzuki

Kazuhiro Suzuki 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).

  • Publication number: 20210167579
    Abstract: A surface emitting laser includes a first reflecting mirror; a second reflecting mirror; an active region between the first reflecting mirror and the second reflecting mirror. The first reflecting mirror and the second reflecting mirror each include a plurality of low refractive-index layers having a first refractive index; and a plurality of high refractive-index layers having a second refractive index higher than the first refractive index. The plurality of low refractive-index layers and the plurality of high refractive-index layers are alternated one after another. The plurality of high refractive-index layers of the first reflecting mirror includes a first layer; and a second layer having a higher thermal diffusion property in an in-plane direction than the first layer.
    Type: Application
    Filed: November 23, 2020
    Publication date: June 3, 2021
    Inventors: Kazuma IZUMIYA, Naoto JIKUTANI, Kazuhiro HARASAKA, Ryoichiro SUZUKI
  • Patent number: 11022811
    Abstract: An optical amplifier includes a polarization splitter, a polarization rotator, first and second optical couplers, and first and second semiconductor optical amplifying devices. The TE polarized wave of light split by the polarization splitter is input to a first input port of the first optical coupler. The TM polarized wave of the split light is converted into a TE polarized wave by the polarization rotator to be input to a second input port of the first optical coupler. First light and second light output from a first output port and a second output port of the first optical coupler are amplified by the first semiconductor optical amplifying device and the second semiconductor optical amplifying device to be input to a first input port and a second input port of the second optical coupler, respectively. Third light is output from an output port of the second optical coupler.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: June 1, 2021
    Assignees: FUJITSU LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Suguru Akiyama, Kazuhiro Ikeda, Takeshi Matsumoto, Hitoshi Kawashima, Keijiro Suzuki, Ken Tanizawa
  • Patent number: 11013401
    Abstract: An ophthalmologic apparatus of some exemplary embodiments includes an illumination system, interference photographing system, anterior eye segment photographing system, first optical path coupling element, and controller. The illumination system projects illumination light output from a light source, onto the anterior eye segment of a subject's eye. The interference photographing system performs photographing of an interference pattern formed on the cornea by the illumination light. The anterior eye segment photographing system performs photographing of the anterior eye segment onto which the illumination light is being projected. The first optical path coupling element couples the optical path of the interference photographing system and the optical path of the anterior eye segment photographing system with one another.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 25, 2021
    Assignee: TOPCON CORPORATION
    Inventors: Yasufumi Fukuma, Hideharu Suzuki, Zhenguo Wang, Kazuhiro Oomori, Makoto Fujino
  • Patent number: 11016286
    Abstract: A light beam irradiation device includes a light source unit that emits a light beam, a reflection mirror and a driving unit that swings the reflection mirror under supply of a driving signal, and comprises the light deflection unit receiving and reflecting the light beam emitted from the light source unit using the reflection mirror, a light deflection angle detection unit that includes a light reception surface that receives the light beam reflected by the reflection mirror, the light deflection angle detection unit detecting a position of the light beam on the light reception surface at a frequency equal to or higher than four times a resonance frequency of the light deflection unit and outputting a detection signal indicating the position, and an operation control unit that corrects the driving signal on the basis of the detection signal and outputs the corrected driving signal to the light deflection unit.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: May 25, 2021
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yoshinori Matsui, Haruyoshi Toyoda, Munenori Takumi, Kazutaka Suzuki, Kazuhiro Nakamura
  • Publication number: 20210149599
    Abstract: According to one embodiment, a memory system includes a nonvolatile memory, and a controller configured to be connectable with a host and control the nonvolatile memory. The controller is configured to receive update frequency information of a submission queue from the host, read command information stored in the submission queue in accordance with the update frequency information, and execute controlling for the nonvolatile memory based on the command information.
    Type: Application
    Filed: September 14, 2020
    Publication date: May 20, 2021
    Applicant: Kioxia Corporation
    Inventors: Hirotsugu Kajihara, Kazuhiro Hiwada, Shuou Nomura, Tomoya Suzuki, Shintaro Sano
  • Publication number: 20210132230
    Abstract: According to one embodiment, a light detector includes an element including a photodiode. A plurality of the elements are provided. The element includes a structure body for at least a portion of the plurality of elements. The structure body surrounds the photodiode and has a different refractive index from the photodiode. At least portions of the structure bodies are separated from each other.
    Type: Application
    Filed: September 9, 2020
    Publication date: May 6, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo FUJIWARA, Honam KWON, Yuki NOBUSA, Keita SASAKI, Kazuhiro SUZUKI, Masaki ATSUTA
  • Publication number: 20210130629
    Abstract: One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240° C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.
    Type: Application
    Filed: April 17, 2018
    Publication date: May 6, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yoshihito SUZUKI, Atsushi YODA, Masahiro SUGIHARA, Kazuhiro JONAI
  • Patent number: 10999178
    Abstract: An information processing apparatus, when a mirroring setting request of a virtual machine is received, transmits by broadcasting a detection packet to detect a monitoring node, when a response packet to respond to the detection packet is received from the monitoring node, determines a state of whether a reception port is a local port or an uplink port, based on a node identifier of the monitoring node, node identifier information, and state information, determines a connection relationship over a network between the information processing apparatus and the monitoring node, based on a presence/absence of the response packet and the determined state of the reception port, and performs a setting for transmitting a mirror packet obtained by copying a communication packet of the virtual machine to the monitoring node, for at least one switch of a plurality of switches, based on the determined connection relationship.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 4, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Kazuhiro Suzuki
  • Patent number: 10995227
    Abstract: A water-based ink-jet which at least contains a pigment, a water-soluble organic solvent, and a surfactant (A), wherein the water-soluble organic solvent is a water-soluble organic solvent having an HLB value determined by Griffin's method of 8 or less, the water-soluble organic solvent being contained in an amount of 10-50 wt % with respect to the total weight of the water based ink-jet ink, and the surfactant (A) comprises an acetylenediol-based surfactant (a1) having an HLD value determined by Griffin's method of 3 or less.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: May 4, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yoshihito Suzuki, Masahiro Sugihara, Masayoshi Utsugi, Kazuhiro Jonai
  • Patent number: 10993018
    Abstract: Generation of a secondary sound source is inhibited, and a sound quality is improved. Included are a support fixed to a mount base, a speaker unit including a portion to be fixed, and a base casing holding the speaker unit, and the speaker unit is fixed to the support and the base casing with the portion to be fixed being sandwiched between the support and the base casing. With this configuration, the speaker unit will be held stably, a great oscillation from a diaphragm of the speaker unit is less transmitted to the parts other than the diaphragm of the speaker unit, to the member holding the speaker unit, or the like. Generation of a secondary sound source is inhibited, and a sound quality can be improved.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: April 27, 2021
    Assignee: SONY CORPORATION
    Inventors: Kohei Kikuchi, Yohei Fukuma, Nobukazu Suzuki, Kazuhiro Matsutani, Yoshio Ohashi, Yasuo Kawabata
  • Patent number: 10971415
    Abstract: In a semiconductor device using a wide bandgap semiconductor material having a bandgap larger than that of silicon, reliability of the semiconductor device is improved by achieving a structure in which electric field strength in the vicinity of an outer end portion of a semiconductor chip is relaxed. A side surface of the semiconductor chip CHP1a is formed of a region R1 including a first corner, a region R2 including a second corner, and a region R3 interposed between the region R1 and the region R2. At this point, in a case of defining a minimum film thickness of a high electric field-resistant sealing member MR in the region R3 as t1 and defining a maximum film thickness of the high electric field-resistant sealing member MR in the region R1 as t2, a relation of t2?1.5×t1 is satisfied.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: April 6, 2021
    Assignee: HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
    Inventors: Kyoko Kojima, Hiroyuki Matsushima, Kazuhiro Suzuki
  • Publication number: 20210082986
    Abstract: According to one embodiment, a light detector includes an element and a quenching resistance. The element includes a photodiode. The quenching resistance is electrically connected to the element. The quenching resistance includes a semiconductor member and a plurality of first metal members. The plurality of first metal members is electrically connected to the semiconductor member and separated from each other.
    Type: Application
    Filed: March 11, 2020
    Publication date: March 18, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Honam KWON, lkuo FUJIWARA, Keita SASAKI, Kazuhiro SUZUKI
  • Publication number: 20210066713
    Abstract: Provided is a negative electrode active material that contains silicon clathrate II and that is suitable for a negative electrode of a lithium ion secondary battery. The negative electrode active material includes a silicon material in which silicon clathrate II represented by composition formula NaxSi136 (0?x?10) is contained and a volume of a pore having a diameter of not greater than 100 nm is not less than 0.025 cm3/g.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 4, 2021
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masanori HARATA, Tatsuya EGUCHI, Masakazu MURASE, Jun YOSHIDA, Kazuhiro SUZUKI, Daichi KOSAKA, Shinji NAKANISHI
  • Publication number: 20210063545
    Abstract: According to one embodiment, a light detector includes a conductive layer, a first element, a second element, a first member, a first insulating part, and a second insulating part. The conductive layer includes a first conductive portion and a second conductive portion. The first element includes a first semiconductor layer and a second semiconductor layer. The second element includes a fourth semiconductor layer and a fifth semiconductor layer. The first member is provided between the first element and the second element and electrically connected to the conductive layer. The first member is conductive. The first insulating part is provided between the first element and the first member. The second insulating part is provided between the second element and the first member.
    Type: Application
    Filed: March 9, 2020
    Publication date: March 4, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Honam KWON, Koichi ISHII, lkuo FUJIWARA, Kazuhiro SUZUKI
  • Publication number: 20210066714
    Abstract: Provided is a novel production method for producing silicon clathrate II. In the production method for producing silicon clathrate II, in a reaction system in which a Na—Si alloy containing Na and Si and an Na getter agent coexist so as not to be in contact with each other, the Na—Si alloy is heated and Na evaporated from the Na—Si alloy is thus caused to react with the Na getter agent to reduce an amount of Na in the Na—Si alloy.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 4, 2021
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masanori HARATA, Jun YOSHIDA, Kazuhiro SUZUKI, Daichi KOSAKA, Shinji NAKANISHI
  • Patent number: 10924433
    Abstract: A mirror packet control device includes a processor that detects a notification of a completion of movement of a first virtual machine from another device to the mirror packet control device. The processor refers, upon the detection of the notification, to first correspondence information to identify a transmission source that transmits a first mirror packet to the first virtual machine. The first correspondence information includes a first item associating first identification information of the first virtual machine with second identification information of the transmission source. The processor transmits a first deletion instruction to the transmission source. The first deletion instruction instructs deletion of a second item included in second correspondence information stored in the transmission source.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 16, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Kazuhiro Suzuki
  • Publication number: 20210034444
    Abstract: A method includes: acquiring, based on status information, a failure risk of each of a plurality of devices including physical devices and virtual machines, each of the virtual machines being operated on any of the physical devices, the status information indicating the statuses of the plurality of devices; acquiring an influence range based on route information indicating a link in a range affected by a failure; acquiring a first influence risk based on a failure risk acquired for a first device, the first physical device being any of the physical devices; acquiring a second influence risk based on a failure risk of a second device, the second influence risk indicating a possibility of a target device being affected by a failure in another device; and determining the second physical devices as a destination candidate of the target device when the second influence risk is lower than the first influence risk.
    Type: Application
    Filed: July 22, 2020
    Publication date: February 4, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Reiko Kondo, Takeshi Yasuie, Masahiro Asaoka, KAZUHIRO SUZUKI
  • Publication number: 20210020938
    Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.
    Type: Application
    Filed: June 19, 2020
    Publication date: January 21, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki YAMAGUCHI, Hironori DAIKOKU, Jun YOSHIDA, Kazuhiro SUZUKI, Mitsutoshi OTAKI
  • Patent number: 10879415
    Abstract: A photodetector includes a first semiconductor layer and a second semiconductor layer provided on the first semiconductor layer and detecting light. The first semiconductor layer has a cavity portion for reflecting incident light.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 29, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Honam Kwon, Toshiya Yonehara, Hitoshi Yagi, Ikuo Fujiwara, Kazuhiro Suzuki
  • Publication number: 20200403937
    Abstract: An information processing apparatus includes: a memory that stores association information associating a first address of a first container assigned beforehand with a second address of a second container assigned beforehand; and a processor coupled to the memory. The processor detects first information from one of containers; sets, when the address in the first information matches the first or second address, the container including the matching address and a port of a virtual machine specified by the first information in association with each other in the association information; duplicates second information passing through a first port associated with the first container by referring to the association information; and forwards the duplicated second information destined for a second port associated with the second container.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 24, 2020
    Applicant: FUJITSU LIMITED
    Inventor: KAZUHIRO SUZUKI