Patents by Inventor Hiroki Kawamura
Hiroki Kawamura 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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Publication number: 20240186340Abstract: A light-receiving element according to an embodiment of the present disclosure includes: a semiconductor substrate (11) including a photoelectric conversion region; a first electrically-conductive region (13A) provided at an interface of one surface of the semiconductor substrate (11) and coupled to a first electrode (16); a second first electrically-conductive region (13B) provided at the interface of the one surface and around the first first electrically-conductive region (13A) and coupled to a second electrode (17); and a third first electrically-conductive region (13C) provided at the interface of the one surface and around the second first electrically-conductive region (13B) and being in an electrically floating state.Type: ApplicationFiled: March 25, 2022Publication date: June 6, 2024Inventors: Takaki HATSUI, Takahiro KAWAMURA, Hiroki TOJINBARA
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Patent number: 11974454Abstract: A display device is provided with a first adhesive layer formed on a sealing layer in a display region and a flexible sheet formed on a resin layer on an opposite side of a TFT layer, in which a first inorganic insulating layer has a first slit, the flexible sheet has a second slit, and the first adhesive layer is formed in a state of extending from the display region to a frame region, and overlapping with the first slit and the second slit.Type: GrantFiled: March 11, 2019Date of Patent: April 30, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Hiroki Kawamura, Keiji Aota, Motoji Shiota
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Publication number: 20240103481Abstract: A numerical controller includes a reading analysis unit that reads a CNC program and additional information, a path generation unit that determines a movement path of a tool, and a velocity control unit that determines a velocity for moving the tool according to the movement path of the tool, and machining errors, deterioration of a machined surface quality, or an increase in a cycle time are reduced without increasing a CNC program size and a calculation time associated with control more than necessary.Type: ApplicationFiled: December 23, 2021Publication date: March 28, 2024Applicant: Fanuc CorporationInventors: Hiroki Murakami, Hiroyuki Kawamura, Jirou Fujiyama, Naoya Koide
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Patent number: 11780303Abstract: A striker mounting structure is configured to mount a striker on a vehicle body. A hook fixed to a door is hooked to the striker. A reinforcement formed with an insertion hole may be attached to the vehicle body. An outer panel covering a reinforcement may include a striker mounting surface spaced from the reinforcement. A reinforcement member may be fixed to the striker and the striker mounting surface. Two or more connecting rods may extend from the reinforcement member. Each of the connecting rods may include locking portions, which are inserted in the insertion hole formed in the reinforcement.Type: GrantFiled: April 3, 2020Date of Patent: October 10, 2023Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu Nakamura, Hironori Tajima, Kazuhiko Sato, Mikio Nakashima, Hiroki Kawamura, Tsuyoshi Kato, Satoshi Maekawa, Hirokazu Shirouzu, Kanichi Saito
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Patent number: 11499351Abstract: A striker mounting structure is designed to mount a striker on a vehicle body and prevent a door from entering a passenger compartment. A reinforcement provided on the vehicle body is covered by an outer panel. A striker mounting surface is arranged to be spaced away from the reinforcement in a front/backward direction of the vehicle body. The reinforcement is provided with an insertion hole opening toward a direction away from the passenger compartment. The striker and a reinforcement member are fixed to opposite sides of the striker mounting surface. A connecting rod is fixed to the reinforcement member and is formed with a locking portion extending into the insertion hole in a direction toward the passenger compartment and formed with an abutment portion. A distance between an end of the abutment portion and the passenger compartment is smaller than a distance between the striker and the passenger compartment.Type: GrantFiled: April 8, 2020Date of Patent: November 15, 2022Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu Nakamura, Hironori Tajima, Kazuhiko Sato, Mikio Nakashima, Hiroki Kawamura, Tsuyoshi Kato, Satoshi Maekawa, Hirokazu Shirouzu, Kanichi Saito
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Patent number: 11398327Abstract: An alloy for R-T-B based permanent magnet in which R is a rare earth element, T is a combination of Fe and Co, and B is boron. R includes one or more selected from Nd, Pr, Dy, and Tb. The alloy for R-T-B based permanent magnet includes M and C. M is one or more selected from Al, Cu, Zr, and Ga. Relative to 100 mass % of the alloy for R-T-B based permanent magnet, a total content of Nd, Pr, Dy, and Tb is 28.00 mass % or more and 34.00 mass % or less, Co content is 0.05 mass % or more and 3.00 mass % or less, B content is 0.70 mass % or more and 0.95 mass % or less, C content is 0.12 mass % or more and 0.19 mass % or less, a total content of M is more than 0 mass % and 4.00 mass % or less, and Fe is a substantial balance.Type: GrantFiled: March 24, 2020Date of Patent: July 26, 2022Assignee: TDK CORPORATIONInventors: Hiroki Kawamura, Hidetake Kitaoka, Makoto Iwasaki
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Patent number: 11387024Abstract: An R—T—B based rare earth sintered magnet in which R is a rare earth sintered magnet, T is an iron group element, and B is boron. R includes one or more selected from Nd and Pr. The R—T—B based rare earth sintered magnet includes M and C in which M is one ore more selected from Zr, Ti, and Nb. The R—T—B based rare earth sintered magnet includes main phase grains and grain boundaries, and the grain boundaries includes a coexisting part in which a M—C compound, a M—B compound, and a 6-13-1 phase coexist. The R—T—B based rare earth sintered magnet attains improved HcJ while maintaining good Br and Hk/HcJ.Type: GrantFiled: March 22, 2021Date of Patent: July 12, 2022Assignee: TDK CORPORATIONInventors: Hiroki Kawamura, Makoto Iwasaki
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Publication number: 20220181581Abstract: A display device is provided with a first adhesive layer formed on a sealing layer in a display region and a flexible sheet formed on a resin layer on an opposite side of a TFT layer, in which a first inorganic insulating layer has a first slit, the flexible sheet has a second slit, and the first adhesive layer is formed in a state of extending from the display region to a frame region, and overlapping with the first slit and the second slit.Type: ApplicationFiled: March 11, 2019Publication date: June 9, 2022Inventors: Hiroki KAWAMURA, KEIJI AOTA, MOTOJI SHIOTA
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Publication number: 20210296029Abstract: An R—T—B based rare earth sintered magnet in which R is a rare earth sintered magnet, T is an iron group element, and B is boron. R includes one or more selected from Nd and Pr. The R—T—B based rare earth sintered magnet includes M and C in which M is one ore more selected from Zr, Ti, and Nb. The R—T—B based rare earth sintered magnet includes main phase grains and grain boundaries, and the grain boundaries includes a coexisting part in which a M—C compound, a M—B compound, and a 6-13-1 phase coexist. The R—T—B based rare earth sintered magnet attains improved HcJ while maintaining good Br and Hk/HcJ.Type: ApplicationFiled: March 22, 2021Publication date: September 23, 2021Applicant: TDK CORPORATIONInventors: Hiroki KAWAMURA, Makoto IWASAKI
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Publication number: 20200325707Abstract: A striker mounting structure is designed to mount a striker on a vehicle body and prevent a door from entering a passenger compartment. A reinforcement provided on the vehicle body is covered by an outer panel. A striker mounting surface is arranged to be spaced away from the reinforcement in a front/backward direction of the vehicle body. The reinforcement is provided with an insertion hole opening toward a direction away from the passenger compartment. The striker and a reinforcement member are fixed to opposite sides of the striker mounting surface. A connecting rod is fixed to the reinforcement member and is formed with a locking portion extending into the insertion hole in a direction toward the passenger compartment and formed with an abutment portion. A distance between an end of the abutment portion and the passenger compartment is smaller than a distance between the striker and the passenger compartment.Type: ApplicationFiled: April 8, 2020Publication date: October 15, 2020Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu Nakamura, Hironori Tajima, Kazuhiko Sato, Mikio Nakashima, Hiroki Kawamura, Tsuyoshi Kato, Satoshi Maekawa, Hirokazu Shirouzu, Kanichi Saito
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Publication number: 20200324629Abstract: A striker mounting structure is configured to mount a striker on a vehicle body. A hook fixed to a door is hooked to the striker. A reinforcement formed with an insertion hole may be attached to the vehicle body. An outer panel covering a reinforcement may include a striker mounting surface spaced from the reinforcement. A reinforcement member may be fixed to the striker and the striker mounting surface. Two or more connecting rods may extend from the reinforcement member. Each of the connecting rods may include locking portions, which are inserted in the insertion hole formed in the reinforcement.Type: ApplicationFiled: April 3, 2020Publication date: October 15, 2020Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu NAKAMURA, Hironori TAJIMA, Kazuhiko SATO, Mikio NAKASHIMA, Hiroki KAWAMURA, Tsuyoshi KATO, Satoshi MAEKAWA, Hirokazu SHIROUZU, Kanichi SAITO
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Publication number: 20200312491Abstract: An alloy for R-T-B based permanent magnet in which R is a rare earth element, T is a combination of Fe and Co, and B is boron. R includes one or more selected from Nd, Pr, Dy, and Tb. The alloy for R-T-B based permanent magnet includes M and C. M is one or more selected from Al, Cu, Zr, and Ga. Relative to 100 mass % of the alloy for R-T-B based permanent magnet, a total content of Nd, Pr, Dy, and Tb is 28.00 mass % or more and 34.00 mass % or less, Co content is 0.05 mass % or more and 3.00 mass % or less, B content is 0.70 mass % or more and 0.95 mass % or less, C content is 0.12 mass % or more and 0.19 mass % or less, a total content of M is more than 0 mass % and 4.00 mass % or less, and Fe is a substantial balance.Type: ApplicationFiled: March 24, 2020Publication date: October 1, 2020Applicant: TDK CORPORATIONInventors: Hiroki KAWAMURA, Hidetake KITAOKA, Makoto IWASAKI
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Patent number: 8152286Abstract: The present invention is directed to an ink supply device having an ink cartridge and a cartridge mount. The ink cartridge has an ink supply portion and an air intake portion. The cartridge mount has a first projection and a second projection. When the ink cartridge is inserted into the cartridge mount, the first projection opens the ink supply portion, and the second projection opens the air intake portion. The second projection has an operating piece, a guide path for receiving the operating piece, and a spring for exerting force on the operating piece. The second projection contacts the air supply portion prior to the first projection contacting the ink supply portion, and the guide path receives the operating piece after the second projection contacts the air supply portion.Type: GrantFiled: December 27, 2007Date of Patent: April 10, 2012Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroki Kawamura
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Patent number: 7954932Abstract: There is disclosed a movement apparatus including a movable body, a flexible long member, a support member, and a tubular member. The movable body reciprocates along a straight line. The long member has having two opposite ends a first one of which is fixed to the movable body and a second one of which is fixed to a stationary member. The form of the long member changes in accordance with a reciprocating movement of the movable body along the straight line and relative to the stationary member. The support member has a linear material portion at which the support member supports the long member. The tubular member is fitted on the linear material portion.Type: GrantFiled: December 29, 2008Date of Patent: June 7, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Hiroki Kawamura, Shuichi Tamaki
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Patent number: 7841709Abstract: An ink cartridge holder includes: a peripheral wall portion which allows ink cartridges to be inserted thereinto and withdrawn therefrom through an opening formed at one of opposite ends thereof; a partition wall portion which is formed integrally with the peripheral wall portion and is positioned in a position distant from the opening, the partition wall portion interconnecting two portions of the peripheral wall portion that are opposed to each other, and partitioning an inner space of the peripheral wall portion into sections whose number corresponds to the number of the ink cartridges; and an extension wall portion which extends continuously from the partition wall portion along one of the two opposed portions of the peripheral wall portion toward the opening, and which is formed integrally with the partition wall portion and the peripheral wall portion.Type: GrantFiled: March 28, 2007Date of Patent: November 30, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroki Kawamura
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Patent number: 7828415Abstract: An ink cartridge holding device for holding an ink cartridge includes a holder holding the ink cartridge and having an opening so as to allow the ink cartridge to be inserted thereinto and withdrawn therefrom through the opening, a door which is attached to the holder and is pivotable between (a) an open position at which the opening is uncovered for permitting insertion and withdrawal of the ink cartridge through the opening into and from the holder and (b) a closed position at which the opening is covered for inhibiting the insertion and withdrawal of the ink cartridge through the opening, a locking member which is attached to the door for locking the door at the closed position, and an interference preventing portion which is provided at the door for preventing an interference of the locking member with the withdrawal of the ink cartridge when the door is placed at the open position.Type: GrantFiled: March 28, 2007Date of Patent: November 9, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroki Kawamura
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Patent number: 7815296Abstract: An ink cartridge holding device includes: a holder holding the ink cartridge and having an opening so as to allow the ink cartridge to be inserted and withdrawn through the opening; a door which is attached to the holder and is pivotable between (a) an open position at which the opening is uncovered for permitting insertion and withdrawal and (b) a closed position at which the opening is covered for inhibiting the insertion and withdrawal; a locking member which is attached to the door and is displacable between (A) an engaging position in which the locking member is engaged with the holder for locking the door at the closed position and (B) a releasing position in which the locking member is released from the holder so as to allow the door to be pivoted from the closed position.Type: GrantFiled: March 28, 2007Date of Patent: October 19, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroki Kawamura
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Patent number: 7789487Abstract: An ink cartridge holding device including: a holder having an opening which allows insertion and withdrawal of the ink cartridge through the opening; a door attached to the holder which is pivotable between (a) an open position at which the opening is uncovered for permitting the insertion and the withdrawal and (b) a closed position at which the opening is covered for inhibiting the insertion and withdrawal; a locking member attached to the door which is displaceable, which has an exposed portion exposed in a front face of the door, and which is for locking the door at the closed position when the locking member is placed in a predetermined position and for permitting the door to be pivoted toward the open position when the locking member is displaced from the predetermined position; and a protruding portion which is provided near to the exposed portion to allow the locking member to be displaced and which protrudes by a greater amount than the exposed portion in a direction away from the front face of the dType: GrantFiled: March 29, 2007Date of Patent: September 7, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroki Kawamura
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Publication number: 20090167825Abstract: There is disclosed a movement apparatus including a movable body, a flexible long member, a support member, and a tubular member. The movable body reciprocates along a straight line. The long member has having two opposite ends a first one of which is fixed to the movable body and a second one of which is fixed to a stationary member. The form of the long member changes in accordance with a reciprocating movement of the movable body along the straight line and relative to the stationary member. The support member has a linear material portion at which the support member supports the long member. The tubular member is fitted on the linear material portion.Type: ApplicationFiled: December 29, 2008Publication date: July 2, 2009Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Hiroki KAWAMURA, Shuichi TAMAKI
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Publication number: 20080158315Abstract: The present invention is directed to an ink supply device having an ink cartridge and a cartridge mount. The ink cartridge has an ink supply portion and an air intake portion. The cartridge mount has a first projection and a second projection. When the ink cartridge is inserted into the cartridge mount, the first projection opens the ink supply portion, and the second projection opens the air intake portion. The second projection has an operating piece, a guide path for receiving the operating piece, and a spring for exerting force on the operating piece. The second projection contacts the air supply portion prior to the first projection contacting the ink supply portion, and the guide path receives the operating piece after the second projection contacts the air supply portion.Type: ApplicationFiled: December 27, 2007Publication date: July 3, 2008Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Hiroki Kawamura