Patents by Inventor Hirotaka Fukushima
Hirotaka Fukushima 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).
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Patent number: 11919793Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.Type: GrantFiled: June 3, 2021Date of Patent: March 5, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Seiichi Hata, Satoko Midorikawa, Hirotaka Fukushima
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Patent number: 11262680Abstract: The fixing device having a long durability life includes a first member, a heater, and a second member, the heater including a base material, an intermediate layer on the base material, and a surface layer on the intermediate layer, which includes a diamond-like carbon film, the base material containing at least one compound selected from the group consisting of aluminum nitride, aluminum oxide, and silicon nitride, and the intermediate layer has a ratio of [(Si)+(C)]/A of 0.8 or more, and a ratio of (Si)/(C) of more than 1.Type: GrantFiled: April 9, 2021Date of Patent: March 1, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Hirotaka Fukushima, Junzo Kobayashi, Toshinori Nakayama, Shigeru Tanaka
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Patent number: 11209760Abstract: A thermal fixing apparatus, including a rotatable first member; a heater heating the first member; a rotatable second member forming a nip portion with the first member; and a pressurizing member disposed inside the first member, and having a contact surface with an inner surface of the first member. The pressurizing member includes a surface layer constituting the contact surface, and the surface layer comprises a diamond-like carbon film containing a hydrogen atom (H), a carbon atom (C) and a silicon atom (Si). 100×(H)/((H)+(C)) is 5 or less. 100×(Si)/((Si)+(C)) is 1 to 20. Between the contact surface and an inner circumferential surface of the first member, an oil film containing a fluorinated oil and a silicone oil is present.Type: GrantFiled: June 2, 2021Date of Patent: December 28, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Hirotaka Fukushima, Yusuke Owaki, Yoshiko Igarashi, Hidetaka Nanao, Yasushi Hoshi
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Publication number: 20210382426Abstract: A thermal fixing apparatus, including a rotatable first member; a heater heating the first member; a rotatable second member forming a nip portion with the first member; and a pressurizing member disposed inside the first member, and having a contact surface with an inner surface of the first member. The pressurizing member includes a surface layer constituting the contact surface, and the surface layer comprises a diamond-like carbon film containing a hydrogen atom (H), a carbon atom (C) and a silicon atom (Si). 100×(H)/((H)+(C)) is 5 or less. 100×(Si)/((Si)+(C)) is 1 to 20. Between the contact surface and an inner circumferential surface of the first member, an oil film containing a fluorinated oil and a silicone oil is present.Type: ApplicationFiled: June 2, 2021Publication date: December 9, 2021Inventors: Hirotaka Fukushima, Yusuke Owaki, Yoshiko Igarashi, Hidetaka Nanao, Yasushi Hoshi
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Publication number: 20210325806Abstract: The fixing device having a long durability life includes a first member, a heater, and a second member, the heater including a base material, an intermediate layer on the base material, and a surface layer on the intermediate layer, which includes a diamond-like carbon film, the base material containing at least one compound selected from the group consisting of aluminum nitride, aluminum oxide, and silicon nitride, and the intermediate layer has a ratio of [(Si)+(C)]/A of 0.8 or more, and a ratio of (Si)/(C) of more than 1.Type: ApplicationFiled: April 9, 2021Publication date: October 21, 2021Inventors: Hirotaka Fukushima, Junzo Kobayashi, Toshinori Nakayama, Shigeru Tanaka
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Publication number: 20210292213Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Seiichi Hata, Satoko Midorikawa, Hirotaka Fukushima
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Patent number: 11053151Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.Type: GrantFiled: May 21, 2018Date of Patent: July 6, 2021Assignee: Canon Kabushiki KaishaInventors: Seiichi Hata, Satoko Midorikawa, Hirotaka Fukushima
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Patent number: 10719904Abstract: A parallel processing apparatus includes, a plurality of operational circuits that execute operations for data in parallel, and a control circuit that, upon an end of operations for a first portion of the data, finds estimated operation time for operations for a second portion that is an object of operations subsequent to the first portion, based on target time for operational processing for the data and a data amount of remaining data for which no operation has been executed in the data, finds a second parallelism of the operations for the second portion, based on a first parallelism of the operations for the first portion, a measurement value of operation time for the operations for the first portion, and the estimated operation time, and causes operational circuits, numbering in a number indicated by the second parallelism among the plurality of operational circuits, to execute the operations for the second portion.Type: GrantFiled: July 24, 2018Date of Patent: July 21, 2020Assignee: FUJITSU LIMITEDInventors: Taketoshi Yasumuro, Hirotaka Fukushima
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Patent number: 10466631Abstract: A fixing device capable of stably performing a fixing operation for a long time is provided. The fixing device includes a cylindrical fixing belt and a heater. The fixing belt includes a resin layer forming an inner circumferential surface contactable with the heater. The heater includes a surface layer forming a sliding surface sliding on the fixing belt. The surface layer is an amorphous carbon film containing graphite particles. The sliding surface includes protrusions derived from the graphite particles. The protrusions have a distribution density of 50 to 2000 per 1 square millimeter of the sliding surface.Type: GrantFiled: June 7, 2019Date of Patent: November 5, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Yusuke Owaki, Hirotaka Fukushima
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Publication number: 20190043157Abstract: A parallel processing apparatus includes, a plurality of operational circuits that execute operations for data in parallel, and a control circuit that, upon an end of operations for a first portion of the data, finds estimated operation time for operations for a second portion that is an object of operations subsequent to the first portion, based on target time for operational processing for the data and a data amount of remaining data for which no operation has been executed in the data, finds a second parallelism of the operations for the second portion, based on a first parallelism of the operations for the first portion, a measurement value of operation time for the operations for the first portion, and the estimated operation time, and causes operational circuits, numbering in a number indicated by the second parallelism among the plurality of operational circuits, to execute the operations for the second portion.Type: ApplicationFiled: July 24, 2018Publication date: February 7, 2019Applicant: FUJITSU LIMITEDInventors: Taketoshi Yasumuro, Hirotaka Fukushima
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Patent number: 10162657Abstract: An information processing device includes a processor that executes a process. The process includes: identifying a cause of a shift from non-privileged mode to privileged mode that has occurred in processing by a guest program in an upper level virtual machine in a nested virtualization environment in which a first level virtual machine monitor operates in privileged mode, and an upper level virtual machine monitor and the guest program operate in non-privileged mode; and when the identified cause is setting or updating a virtual translation table employed in a virtual translation mechanism provided to the guest program by virtualizing an address translation mechanism for hardware that uses a set translation table to translate addresses of DMA by an input/output device assigned to the upper level virtual machine, setting the translation table employed by the translation mechanism based on a correspondence relationship between guest memory space and host memory space.Type: GrantFiled: October 15, 2015Date of Patent: December 25, 2018Assignee: FUJITSU LIMITEDInventor: Hirotaka Fukushima
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Publication number: 20180265390Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.Type: ApplicationFiled: May 21, 2018Publication date: September 20, 2018Inventors: Sei-ichi Hata, Satoko Midorikawa, Hirotaka Fukushima
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Patent number: 10029935Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.Type: GrantFiled: September 1, 2015Date of Patent: July 24, 2018Assignee: Canon Kabushiki KaishaInventors: Seiichi Hata, Satoko Midorikawa, Hirotaka Fukushima
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Patent number: 9601862Abstract: A charge connector includes a connector case and a connector body. The connector case includes a pair of case split members to be coupled together. The connector body is housed in the connector case and includes charge terminals connected with electric wires and housed in a connector housing. The connector housing is provided with rotation direction regulation projections. The case split members are provided with rotation direction regulation holes that engage with the rotation direction regulation projections. The case split member is provided with a temporarily holding portion for holding the connector housing at a temporarily housed position. The connector housing is provided with a temporarily held portion at which the temporarily holding portion is locked.Type: GrantFiled: March 30, 2015Date of Patent: March 21, 2017Assignee: YAZAKI CORPORATIONInventors: Hirotaka Fukushima, Satoshi Okuda, Tsutomu Sawada
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Patent number: 9570862Abstract: In a terminal including: a terminal body that has a mating terminal contact part with which a mating terminal is brought into contact, and a sensor fixing part; and a thermistor fixed to the sensor fixing part, and a charging connector using the terminal, the sensor fixing part has a cylindrical shape in which the thermistor is inserted, the thermistor has a lock part, and is allowed to be inserted in the sensor fixing part by elastic deformation of the sensor fixing part, and at an insertion completion position, the lock part is locked to the sensor fixing part.Type: GrantFiled: December 22, 2015Date of Patent: February 14, 2017Assignee: YAZAKI CORPORATIONInventors: Ryuji Kawai, Hirotaka Fukushima
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Patent number: 9531100Abstract: A connector includes: a terminal to be connected to a mating terminal by a relative movement between the terminal and the mating terminal; a connector housing supporting the terminal; and a terminal displacement portion displaceably supporting the terminal in a direction orthogonal to a direction of the relative movement between the terminal and the mating terminal.Type: GrantFiled: April 28, 2015Date of Patent: December 27, 2016Assignee: YAZAKI CORPORATIONInventors: Hirotaka Fukushima, Daisuke Sugiyama, Tsutomu Sawada
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Patent number: 9525229Abstract: A terminal having a dissimilar material different from a contact base material, the dissimilar material arranged on a surface of a sliding contact portion on which a mating terminal slides includes a groove provided in the sliding contact portion in a direction different from a sliding direction of the mating terminal.Type: GrantFiled: March 2, 2015Date of Patent: December 20, 2016Assignee: YAZAKI CORPORATIONInventors: Tsutomu Sawada, Tomokazu Iwami, Hirotaka Fukushima, Takashi Tsukamoto
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Patent number: 9463702Abstract: A charging inlet device (1, 2, 3) includes: an inlet housing (10) fixed to a vehicle body panel (P) with a charging port (11A) open towards an outer side of a vehicle body; a terminal (20) arranged in the charging port (11A); and a rear connector (50) mounted to the inlet housing (10) on an opposite side from the charging port (11A) and having a wire lead-out terminal (52) connecting the terminal (20) and an electrical wire (W) routed through the vehicle body.Type: GrantFiled: October 9, 2013Date of Patent: October 11, 2016Assignee: YAZAKI CORPORATIONInventors: Hirotaka Fukushima, Daisuke Sugiyama, Tsutomu Sawada
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Patent number: 9444167Abstract: A male terminal (40) includes a terminal body (41) and an insulating member (45). The terminal body (41) includes a cylindrical terminal contact portion (42) provided with a penetration hole (42a) extending in the axial direction. The insulating member (45) includes a tip insulating portion (46) projecting forward from the tip of the terminal contact portion (42), a terminal holding portion (47) disposed on the rear side of the terminal contact portion (42) to hold the terminal body (41), and a communicating resin portion (48) disposed in the penetration hole (42a) to connect the tip insulating portion (46) and the terminal holding portion (47).Type: GrantFiled: March 27, 2015Date of Patent: September 13, 2016Assignee: YAZAKI CORPORATIONInventors: Hirotaka Fukushima, Daisuke Sugiyama, Tsutomu Sawada
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Patent number: 9431739Abstract: A terminal includes an insulating leading-end insulation portion (8) that is fixed to a conductive terminal main body (7) and that protrudes in front of a leading end of a terminal contact portion (72). The terminal contact portion (72) is formed in a cylindrical shape including a rod through-hole (71) penetrating in an axial direction, and the leading-end insulation portion (8) is formed as a part of an insulation member (82) including a penetrating rod portion (81) penetrating through the rod through-hole (71) and protruding to a back end side of the rod through-hole (71); and the leading-end insulation portion (8) and the back end side of the penetrating rod portion (81) are respectively engaged with respect to the terminal main body (7) in a removal direction to thereby fix the insulation member (82) into the terminal main body (7).Type: GrantFiled: September 17, 2013Date of Patent: August 30, 2016Assignee: YAZAKI CORPORATIONInventors: Hirotaka Fukushima, Tsutomu Sawada, Takashi Tsukamoto