Patents by Inventor Yoshihiro Ogawa

Yoshihiro Ogawa 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: 20240134300
    Abstract: Provided is a toner comprising a toner particle comprising a binder resin and a. silica fine particle, wherein a total content of a polyvalent metal elements in the toner particle is 0.10 to 2.50 ?mol/g, a number-average particle diameter of a primary particle of the silica fine particle is 40 to 500 nm, and in the DD/MAS measurement of solid 29Si-NMR of the silica fine particle, peak PD1 corresponding to a silicon atom represented by Sia in a structure represented by formula (1) and peak PD2 corresponding to a silicon atom represented by Sib in a structure represented by formula (2) are observed, and when an area of the peak PD1 is defined as SD1 and an area of the peak PD2 is defined as SD2, SD1 and SD2 satisfy: 1.2?(SD1+SD2)/SD1?10.0.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 25, 2024
    Inventors: HITOSHI SANO, SHIN KITAMURA, TORU TAKAHASHI, RYUICHIRO MATSUO, RYUJI MURAYAMA, TAKAKUNI KOBORI, YOSHIHIRO OGAWA
  • Publication number: 20240119351
    Abstract: A process includes obtaining, according to a predetermined update order of a policy parameter of each agent, a degree of influence on a constraint specific to a first agent and a degree of influence on a system-wide constraint in which a degree of influence by an updated policy parameter of a second agent previous to the first agent in the update order is shared, and in a case where an update width of the policy parameter of the first agent exists in both ranges respectively determined depending on the degree of influence on the constraint specific to the first agent and the degree of influence on the system-wide constraint, updating the policy parameter of the first agent and causing the degree of influence on the system-wide constraints by the updated policy parameter to be shared with a third agent next to the first agent in the update order.
    Type: Application
    Filed: June 27, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Yoshihiro OKAWA, Hayato DAN, Natsuki ISHIKAWA, Masatoshi OGAWA
  • Publication number: 20240098511
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes obtaining a third matrix by changing at least one of a position of a target object already installed or a scale of the target object in a two-dimensional second matrix, obtaining three-dimensional second data by superimposing a two-dimensional first matrix and the third matrix, the first matrix being provided for each facility already installed and indicating a position and a scale thereof, and predicting a degree of influence of the target object by inputting the second data, a type of day of week, and time to a machine learning model trained with three-dimensional first data, a type of day of week, and time as input, and with a degree of influence of the target object as output, the first data being obtained by superimposing the first matrix and the second matrix.
    Type: Application
    Filed: July 6, 2023
    Publication date: March 21, 2024
    Applicant: Fujitsu Limited
    Inventors: Natsuki ISHIKAWA, Hayato DAN, Yoshihiro OKAWA, Masatoshi OGAWA
  • Patent number: 11921428
    Abstract: According to one embodiment, a substrate processing method is disclosed. The method can include treating a substrate with a first liquid. The substrate has a structural body formed on a major surface of the substrate. The method can include forming a support member supporting the structural body by bringing a second liquid into contact with the substrate wetted by the first liquid, and changing at least a portion of the second liquid into a solid by carrying out at least one of causing the second liquid to react, reducing a quantity of a solvent included in the second liquid, and causing at least a portion of a substance dissolved in the second liquid to be separated. The method can include removing the support member by changing at least a part of the support member from a solid phase to a gaseous phase, without passing through a liquid phase.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: March 5, 2024
    Assignee: Kioxia Corporation
    Inventors: Yoshihiro Uozumi, Shinsuke Kimura, Yoshihiro Ogawa, Hiroyasu Iimori, Tatsuhiko Koide, Hideaki Hirabayashi, Yuji Nagashima
  • Publication number: 20240069457
    Abstract: The toner contains binder resin-containing toner particles and silica fine particle S1, wherein the weight-average particle diameter of the toner is 4.0-15.0 ?m, both inclusive, peaks originating with the silica fine particle S1 are observed in 29 Si-NMR measurement of the silica fine particle S1, and, in the spectrum obtained by 29Si CP/MAS NMR or 29Si DD/MAS NMR, the peak area of a peak corresponding to the D1 unit structure in the silica fine particle S1, the peak area of a peak corresponding to the D2 unit structure in the silica fine particle S1, and the peak area of a peak corresponding to the Q unit structure in the silica fine particle S1 satisfy a prescribed relationship.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 29, 2024
    Inventors: RYUJI MURAYAMA, SHIN KITAMURA, TORU TAKAHASHI, DAISUKE TSUJIMOTO, RYUICHIRO MATSUO, HITOSHI SANO, NOBUYUKI FUJITA, SHUJI YAMADA, YUKA GUNJI, TAKAKUNI KOBORI, YOSHIHIRO OGAWA, ATSUHIKO OHMORI, HIROKI KAGAWA, KEISUKE ADACHI, TOMOKO SUGITA
  • Patent number: 11873804
    Abstract: A capacity control valve for controlling a capacity of a fluid includes: a valve housing; a main valve closing and opening a communication between a Pc port and a Pd port when a main valve portion of a main valve element driven by a drive force of a solenoid comes into contact with and separates from a main valve seat; a pressure-sensitive valve which is opened by an ambient pressure; a hollow tube member which forms a part of the pressure-sensitive valve and allows the Pc port to communicate with a Ps port through a hollow communication path formed therein when the pressure-sensitive valve is opened; and an auxiliary communication path allows the Pc port to communicate with the Ps port independently of the pressure-sensitive valve, and the auxiliary communication path is configured to be able to increase a flow path cross-sectional area after the main valve is closed.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: January 16, 2024
    Inventors: Daichi Kurihara, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Masahiro Hayama, Takahiro Ejima, Wataru Takahashi
  • Patent number: 11862484
    Abstract: A semiconductor manufacturing apparatus according to the present embodiment comprises a chamber. A chemical-agent supply part is configured to supply a water-repellent agent or an organic solvent to a surface of a semiconductor substrate having been cleaned with a cleaning liquid in the chamber. A spray part is configured to spray a water-capture agent capturing water into an atmosphere in the chamber.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: January 2, 2024
    Assignee: KIOXIA CORPORATION
    Inventors: Tatsuhiko Koide, Yoshihiro Ogawa, Masahiro Kiyotoshi
  • Publication number: 20230408940
    Abstract: A toner comprising a toner particle and a silica fine particle A on a surface of the toner particle, wherein: a weight-average particle diameter of the toner is 4.0 to 15.0 ?m; the silica fine particle A comprises a silicone oil and a carbon loss ratio when the silica fine particle A is washed with hexane is 5 to 70%; and an area of each peak obtained in a solid-state CP/MAS 29Si-NMR measurement of the silica fine particle A and of the silica fine particle A after washing thereof with hexane is in a specific range.
    Type: Application
    Filed: April 27, 2023
    Publication date: December 21, 2023
    Inventors: RYUICHIRO MATSUO, TORU TAKAHASHI, DAISUKE TSUJIMOTO, SHIN KITAMURA, RYUJI MURAYAMA, HITOSHI SANO, NOBUYUKI FUJITA, SHUJI YAMADA, YUKA GUNJI, TAKAKUNI KOBORI, YOSHIHIRO OGAWA
  • Publication number: 20230408944
    Abstract: A toner which has a toner particle and silica fine particle A on a surface of the toner particle, wherein a weight average particle diameter of the toner is 4.0 to 15.0 ?m, a carbon loss ratio when the silica fine particle A is washed with hexane is 5 to 70%, and a temperature at which a differential coefficient of a nine-point moving average of integrated values integrated from 35° C. reaches 4000 or more for an intensity of an obtained ion having a mass number (M/z) of 207 is 270° C. or higher, when mass spectrometry is carried out at a sampling interval of 0.4 seconds while heating the silica fine particle A under specific conditions.
    Type: Application
    Filed: April 27, 2023
    Publication date: December 21, 2023
    Inventors: DAISUKE TSUJIMOTO, TORU TAKAHASHI, RYUICHIRO MATSUO, SHIN KITAMURA, NOBUYUKI FUJITA, RYUJI MURAYAMA, HITOSHI SANO, TAKAKUNI KOBORI, YOSHIHIRO OGAWA
  • Publication number: 20230408943
    Abstract: A toner comprising a toner particle and a silica fine particle A on a surface of the toner particle, wherein: a weight-average particle diameter of the toner is 4.0 to 15.0 ?m; the silica fine particle A is a treated silica fine particle having been surface-treated; and areas of each peak which is obtained by a solid-state DD/MAS 29Si-NMR measurement of the silica fine particle A and the silica fine particle A after washing thereof with hexane is in a specific range, and a full width at half maximum of the peak which is obtained by a solid-state DD/MAS 29Si-NMR measurement of the silica fine particle A is in a specific range.
    Type: Application
    Filed: April 27, 2023
    Publication date: December 21, 2023
    Inventors: SHIN KITAMURA, TORU TAKAHASHI, DAISUKE TSUJIMOTO, RYUICHIRO MATSUO, RYUJI MURAYAMA, HITOSHI SANO, NOBUYUKI FUJITA, SHUJI YAMADA, YUKA GUNJI, TAKAKUNI KOBORI, YOSHIHIRO OGAWA
  • Patent number: 11685597
    Abstract: A bag material has a tubular shape and can be folded back at an intermediate position in a longitudinal direction. Crushed stones can be stored in a folded part of the back material. An opening on one side of the bag material can be moved to a position close to an opening on the other side of the bag material. A one-side closing rope that closes the opening on the one side of the bag material is provided near this opening. An other-side closing rope that closes the opening on the other side of the bag material is provided near this opening. The other of the one-side closing rope and the other-side closing ropes can be released with the opening closed by one closing rope.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 27, 2023
    Assignees: KYOWA CO., LTD., SUMITOMO CORPORATION
    Inventors: Koji Kajiwara, Hironori Kawamura, Yoshihiro Ogawa, Shigeru Matsuo
  • Patent number: 11657197
    Abstract: A software studying unit (122) calculates software processing time of each of a plurality of functions in a target source program. A data-flow graph generation unit (121) generates an inter-function data-flow graph of the plurality of functions based on the target source program. A hardware studying unit (130) calculates hardware processing time of each function and a circuit scale of each function by a high-level synthesis for the target source program. An implementation combination selection unit (140) selects, based on the software processing time of each function, the hardware processing time of each function, the circuit scale of each function, and the inter-function data-flow graph, an implementation combination of one or more functions to be implemented by software and one or more functions to be implemented by hardware.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: May 23, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Fumitoshi Karube, Yoshihiro Ogawa, Ryo Yamamoto
  • Patent number: 11555489
    Abstract: A capacity control valve includes a valve housing provided with a discharge port, suction ports, and a control port and a primary valve including a primary valve seat and a primary valve body driven by a solenoid, the primary valve being configured to open and close a communication between the discharge port and the control port in accordance with a movement of the primary valve body. The capacity control valve further includes a differential CS valve which is openable and closable by a pressure difference between the control pressure Pc and the suction pressure Ps and an electromagnetic CS valve that is openable and closable so as to close the control port and the suction port in a non-energized state of the solenoid 80 in accordance with the movement of the primary valve body.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: January 17, 2023
    Inventors: Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi, Keigo Shirafuji, Yoshihiro Ogawa
  • Patent number: 11542929
    Abstract: A capacity control valve includes: a valve body (10) including first communication passages (11), second communication passages (12), third communication passages (13), and a main valve seat (15a); a valve element (21) including an intermediate communication passage (29), a main valve portion (21b), and an auxiliary valve portion 21c; a solenoid (30) that drives a rod (36) provided with an auxiliary valve seat (23c); a first biasing member (43) that biases in a valve closing direction of the main valve portion (21b); and a second biasing member (44) that biases in a valve closing direction of the auxiliary valve portion (21c), wherein the rod (36) moves relative to the valve element (21) to open and close the auxiliary valve portion (21c). The capacity control valve allows a liquid refrigerant to be efficiently discharged and allows a driving force of a compressor to be decreased.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 3, 2023
    Inventors: Masahiro Hayama, Hiroyuki Nishinosono, Keigo Shirafuji, Kohei Fukudome, Yoshihiro Ogawa, Daichi Kurihara, Wataru Takahashi
  • Patent number: 11536257
    Abstract: A capacity control valve includes a CS valve which opens and closes a communication between the control fluid and the suction fluid by the movement of rods and an urging member configured to urge the primary valve body and the rods in opposite directions and the primary valve body and the rods are disposed so as to be relatively movable in an axial direction.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: December 27, 2022
    Inventors: Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi, Keigo Shirafuji, Yoshihiro Ogawa
  • Patent number: 11512786
    Abstract: A capacity control valve, which can efficiently discharge a liquid refrigerant and reduce the driving force of a compressor, includes: a valve main body (10) including a first communication passage (11), a second communication passage (12), a third communication passage (13) and a main valve seat (15a); a valve body (20) including an intermediate communication passage (29), a main valve part (21c) and an auxiliary valve part (23d); a solenoid (30) which drives a rod (36) having an auxiliary valve seat (26c); a first biasing member (43) which biases the main valve part (21c) in the valve closing direction thereof; and a second biasing member (37) which biases the main valve part (21c) in the valve opening direction thereof, and the rod (36) relatively moves to the valve body (20), and opens and closes the auxiliary valve part (23d).
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 29, 2022
    Inventors: Masahiro Hayama, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Daichi Kurihara, Wataru Takahashi
  • Patent number: 11486376
    Abstract: A capacity control valve (1) includes a valve main body (10) having a first communication passage (11), a second communication passage (12), a third communication passage (13), and a main valve seat (15a), a valve element (20) having an intermediate communication passage (29), a main valve portion (21c), and an auxiliary valve portion (23d), a solenoid (30) that drives a rod (36) having an auxiliary valve seat (26c), and a first biasing member (43) that biases in the valve closing direction of the main valve portion (21c). The rod (36) is relatively moved with respect to the valve element (20) so as to open and close the auxiliary valve portion. The capacity control valve can efficiently discharge a liquid coolant irrespective of pressure of a suction chamber and lower drive force of a compressor at a liquid coolant discharging operation.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: November 1, 2022
    Inventors: Masahiro Hayama, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi
  • Patent number: 11480166
    Abstract: A capacity control valve includes a valve housing provided with a discharge port, suction ports, a control port and a primary valve driven by a solenoid. The capacity control valve further includes a differential CS valve which includes a differential CS valve body disposed so as to be relatively movable in an axial direction with respect to the primary valve bodies. The differential CS valve body divides a control pressure chamber into a discharge side control chamber communicating with the first control port and a suction side control chamber communicating with the second control port in the axial direction and operates the differential CS valve body by a differential pressure between the discharge side control chamber and the suction side control chamber so as to open the second control port and the suction port.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: October 25, 2022
    Inventors: Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi, Keigo Shirafuji, Yoshihiro Ogawa
  • Patent number: 11454227
    Abstract: A capacity control valve (1) includes a valve main body (10) having a first communication passage (11), a second communication passage (12), a third communication passage (13), and a main valve seat (15a), a pressure-sensitive body (24), a valve element (20) having an intermediate communication passage (29), a main valve portion (21c), and a restrictor portion (25), and a solenoid (30) that drives a rod (36). The rod (36) is relatively moved with respect to the valve element (20) so as to control an opening degree of the restrictor portion (25). The capacity control valve is capable of efficiently discharging a liquid coolant irrespective of pressure of a suction chamber and improving control stability.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: September 27, 2022
    Inventors: Masahiro Hayama, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi
  • Patent number: 11434885
    Abstract: A capacity control valve (1) includes a valve main body (10) having a first communication passage (11), a second communication passage (12), a third communication passage (13), and a main valve seat (15a), a valve element (20) having an intermediate communication passage (29), a main valve portion (21c), and an auxiliary valve portion (23d), a solenoid (30) that drives a rod (36) having an auxiliary valve seat (26c), and a first biasing member (43) that biases in the valve closing direction of the main valve portion (21c). A spring constant of the first biasing member (43) has a characteristic that the spring constant is increased in an opened state of the main valve portion (21c) and decreased in a closed state. The capacity control valve can efficiently discharge a liquid coolant and lower drive force of a compressor at a liquid coolant discharging operation.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 6, 2022
    Inventors: Masahiro Hayama, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi