Patents by Inventor Akira Nakashima
Akira Nakashima 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: 20240328212Abstract: A vehicle door lock device for a door of a vehicle includes: a mechanical changeover mechanism switchable between a mechanical lock mode in which a motion of a door handle lever is not transmitted to a latch and a mechanical unlock mode in which the motion of the door handle lever is transmitted to the latch; an actuator capable of causing the mechanical changeover mechanism to switch from the mechanical unlock mode to the mechanical lock mode; and a controller configured to control the actuator. The controller is configured to, when the controller has determined that any one of a plurality of conditions for re-locking is met and the mechanical changeover mechanism has switched from the mechanical lock mode to the mechanical unlock mode, immediately activate the actuator to cause the mechanical changeover mechanism to switch from the mechanical unlock mode to the mechanical lock mode.Type: ApplicationFiled: February 27, 2024Publication date: October 3, 2024Inventors: Atsushi NAKASHIMA, Mitsunori NISHINO, Toshihiro KANEDA, Akira KAMIKURA, Riki TOYOOKA, Makoto ONO, Tsukasa KISHIDA, Koji MASUDA, Koji NOMURA
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Publication number: 20240287837Abstract: A vehicle door control system includes a door, holding part, and controller. The door is capable of opening and closing by a motion of swinging relative to a vehicle body. The holding part is capable of switching between an openable-and-closable state and a holding state. The openable-and-closable state is a state in which movement of the door in an opening direction that opens the door and movement of the door in a closing direction that closes the door are allowed. The holding state is a state in which movement of the door in the opening direction is prohibited and movement of the door in the closing direction is allowed. The controller is configured to control the holding part. The controller is configured to set the holding part to the holding state in response to the door stopping its movement while the door is open.Type: ApplicationFiled: February 12, 2024Publication date: August 29, 2024Inventors: Atsushi NAKASHIMA, Mitsunori NISHINO, Toshihiro KANEDA, Akira KAMIKURA, Riki TOYOOKA, Makoto ONO, Tsukasa KISHIDA, Koji MASUDA, Yoichi KATAYAMA, Koji NOMURA
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Patent number: 12053706Abstract: A non-transitory computer readable recording medium has stored thereon instructions to be executed on a computer providing terminal devices with a battle game in which users each operate a unit. The instructions cause the computer to perform the steps of: determining a unit parameter of each of a plurality of units, group information being associated with each unit and indicating a group, among a plurality of groups, to which the unit belongs; deploying the units on a field, divided into regions, in the battle game; varying the unit parameter of a first unit on the field based on the group information associated with the first unit and the group information associated with a second unit on the field, the second unit having a predetermined positional relationship with the first unit; and conducting a battle between the first unit and other units using the varied unit parameter.Type: GrantFiled: September 30, 2022Date of Patent: August 6, 2024Assignee: GREE, INC.Inventors: Nariaki Wada, Akira Usami, Asuka Kawamura, Shuichi Kura, Taichi Wakabayashi, Taishun Ko, Totaro Nakashima
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Publication number: 20240254823Abstract: A door device includes: a door swingable relative to a vehicle body; an actuator configured to drive the door to open and close; a controller configured to perform drive control on the actuator; and a door open/close detector configured to detect an opening/closing speed of the door, wherein the controller is configured to: determine whether an opening/closing action to be performed on the door is a manual action, in which the door is to be manually opened or closed by a user, or an automatic action, in which the door is to be automatically opened or closed by the actuator; and while the manual action is being performed, learn the opening/closing speed detected by the door open/close detector to generate learned value data including information on the opening/closing speed and to reflect the learned value data to the drive control on the actuator while the automatic action is being performed.Type: ApplicationFiled: January 29, 2024Publication date: August 1, 2024Inventors: Atsushi NAKASHIMA, Mitsunori NISHINO, Toshihiro KANEDA, Akira KAMIKURA, Riki TOYOOKA, Makoto ONO, Koji MASUDA, Yoichi KATAYAMA, Tsukasa KISHIDA, Koji NOMURA
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Patent number: 11970349Abstract: A cassette comprises a sheet housing portion that has an opening in an upper face and houses sheets, a cassette cover that can be attached and detached and covers at least a portion of the opening, a first protruding portion that is provided in one edge portion of the cassette cover and protrudes toward a bottom face of the sheet housing portion, and a second protruding portion that is provided in the other edge portion of the cassette cover and opposes the first protruding portion, wherein the sheet housing portion includes a projection-shaped portion that protrudes toward the first protruding portion and a position regulating portion that has a gap into which the second protruding portion enters, and the first protruding portion is provided with a receiving portion into which the projection-shaped portion enters.Type: GrantFiled: July 27, 2022Date of Patent: April 30, 2024Assignee: Canon Kabushiki KaishaInventors: Gakushi Tanaka, Akira Nakashima, Kazuto Ishihara, Yasuhito Tsubakimoto
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Patent number: 11952748Abstract: A hydraulic pump is driven by an engine. A hydraulic motor is driven by hydraulic fluid discharged from the hydraulic pump thereby causing a vehicle to travel. A controller controls a rotation speed of the engine and a displacement of the hydraulic pump. The controller acquires a tractive force of the vehicle. The controller changes the rotation speed of the engine to a low speed side in accordance with a reduction in the tractive force.Type: GrantFiled: October 31, 2019Date of Patent: April 9, 2024Assignee: KOMATSU LTD.Inventor: Akira Nakashima
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Patent number: 11754775Abstract: A light emitting device includes first and second light emitting elements; and a light guiding member including first and second light receiving portion corresponding to the first and second light emitting elements and configured to emit the light received by the first and second light receiving portions from a light emitting portion via a light guiding portion. The light guiding portion includes a reflecting surface forming portion between the first light receiving portion and the second light receiving portion in the first direction. The reflecting surface forming portion includes first and second reflecting surfaces. The first reflecting surface is formed by surfaces having different angles including a surface that reflects the light from the first light receiving portion to a side of the first light receiving portion.Type: GrantFiled: September 13, 2022Date of Patent: September 12, 2023Assignee: Canon Kabushiki KaishaInventors: Kazuto Ishihara, Yasuhito Tsubakimoto, Gakushi Tanaka, Akira Nakashima
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Patent number: 11719335Abstract: An HST circuit has a hydraulic pump that converts a drive force of an engine into energy of oil, and a hydraulic motor that converts the energy of the oil converted by the hydraulic pump into drive energy. Pressure sensors detect a pressure of the oil within the HST circuit. A variable charge pump replenishes the oil into the HST circuit. A controller controls a capacity of the variable charge pump based on the pressure of the oil within the HST circuit detected by the pressure sensors.Type: GrantFiled: April 2, 2020Date of Patent: August 8, 2023Assignee: KOMATSU LTD.Inventors: Akira Nakashima, Shinobu Kamikawa
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Publication number: 20230078594Abstract: A light emitting device includes first and second light emitting elements; and a light guiding member including first and second light receiving portion corresponding to the first and second light emitting elements and configured to emit the light received by the first and second light receiving portions from a light emitting portion via a light guiding portion. The light guiding portion includes a reflecting surface forming portion between the first light receiving portion and the second light receiving portion in the first direction. The reflecting surface forming portion includes first and second reflecting surfaces. The first reflecting surface is formed by surfaces having different angles including a surface that reflects the light from the first light receiving portion to a side of the first light receiving portion.Type: ApplicationFiled: September 13, 2022Publication date: March 16, 2023Inventors: Kazuto Ishihara, Yasuhito Tsubakimoto, Gakushi Tanaka, Akira Nakashima
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Publication number: 20230060034Abstract: A cassette comprises a sheet housing portion that has an opening in an upper face and houses sheets, a cassette cover that can be attached and detached and covers at least a portion of the opening, a first protruding portion that is provided in one edge portion of the cassette cover and protrudes toward a bottom face of the sheet housing portion, and a second protruding portion that is provided in the other edge portion of the cassette cover and opposes the first protruding portion, wherein the sheet housing portion includes a projection-shaped portion that protrudes toward the first protruding portion and a position regulating portion that has a gap into which the second protruding portion enters, and the first protruding portion is provided with a receiving portion into which the projection-shaped portion enters.Type: ApplicationFiled: July 27, 2022Publication date: February 23, 2023Inventors: Gakushi Tanaka, Akira Nakashima, Kazuto Ishihara, Yasuhito Tsubakimoto
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Publication number: 20220263960Abstract: A reading apparatus includes a main body that includes an original document plate and a reading portion configured to read an image from the original document, and an operation portion that is attached in the original document plate. The operation portion includes: a front face casing portion; and a rear face casing portion that is engaged with the front face casing portion at an operation surface. An upper end portion of the operation portion is as high as the original document plate or higher than the original document plate, and in an engaging portion of the front face casing portion and the rear face casing portion at the upper end portion, an upper edge of the front face casing portion has a shorter distance to the lower end portion of the operation portion than the upper edge of the rear face casing portion.Type: ApplicationFiled: February 4, 2022Publication date: August 18, 2022Inventors: Akira Nakashima, Toru Yada, Mitsuyuki Fujibayashi, Gakushi Tanaka, Yuji Kagami
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Patent number: 11384512Abstract: A load sensing valve maintains a differential pressure at a set pressure by controlling a regulator in accordance with a differential pressure between a discharge pressure of a hydraulic pump and a load pressure of hydraulic actuators. A set pressure control device controls the set pressure. A controller controls the set pressure control device to reduce the set pressure more than when the work implement is being operated, when a predetermined determination condition that includes the work implement not being operated is satisfied.Type: GrantFiled: October 31, 2019Date of Patent: July 12, 2022Assignee: KOMATSU LTD.Inventors: Akira Nakashima, Isamu Oda
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Publication number: 20220154738Abstract: An HST circuit has a hydraulic pump that converts a drive force of an engine into energy of oil, and a hydraulic motor that converts the energy of the oil converted by the hydraulic pump into drive energy. Pressure sensors detect a pressure of the oil within the HST circuit. A variable charge pump replenishes the oil into the HST circuit. A controller controls a capacity of the variable charge pump based on the pressure of the oil within the HST circuit detected by the pressure sensors.Type: ApplicationFiled: April 2, 2020Publication date: May 19, 2022Applicant: KOMATSU LTD.Inventors: Akira NAKASHIMA, Shinobu KAMIKAWA
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Publication number: 20220045574Abstract: A driving device includes an electric motor, a drive gear, a deceleration mechanism, a driven gear, and a housing. At least either one of the drive gear and the driven gear is provided as a helical gear. The deceleration mechanism includes a plurality of reduction gear shafts, a plurality of bearings, and a biasing member provided for at least any one of the bearings. The biasing member axially biases an outer ring of the at least any one of the bearings that supports at least either one of end parts of the shaft portion of a corresponding one of the reduction gear shafts, the end parts including an end part on the large-diameter gear wheel side and an end part on the small-diameter gear wheel side.Type: ApplicationFiled: July 26, 2021Publication date: February 10, 2022Applicant: JTEKT CORPORATIONInventors: Akitomo IWATA, Yoshinori SUZUKI, Keita NOMURA, Akira NAKASHIMA, Kuniko HAYASHI, Akira SATO, Yusei KONDA, Minh Phuong DAO, Yoshihide KAMIYA, Van Tinh NGUYEN
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Publication number: 20220034068Abstract: A load sensing valve maintains a differential pressure at a set pressure by controlling a regulator in accordance with a differential pressure between a discharge pressure of a hydraulic pump and a load pressure of hydraulic actuators. A set pressure control device controls the set pressure. A controller controls the set pressure control device to reduce the set pressure more than when the work implement is being operated, when a predetermined determination condition that includes the work implement not being operated is satisfied.Type: ApplicationFiled: October 31, 2019Publication date: February 3, 2022Inventors: Akira NAKASHIMA, Isamu ODA
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Publication number: 20220034069Abstract: A hydraulic pump is driven by an engine. A hydraulic motor is driven by hydraulic fluid discharged from the hydraulic pump thereby causing a vehicle to travel. A controller controls a rotation speed of the engine and a displacement of the hydraulic pump. The controller acquires a tractive force of the vehicle. The controller changes the rotation speed of the engine to a low speed side in accordance with a reduction in the tractive force.Type: ApplicationFiled: October 31, 2019Publication date: February 3, 2022Inventor: Akira NAKASHIMA
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Patent number: 10751705Abstract: Chabazite zeolites have a problem of low hydrothermal resistance. By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.Type: GrantFiled: June 1, 2017Date of Patent: August 25, 2020Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Yoko Yamaguchi, Shunji Tsuruta, Akira Nakashima
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Patent number: 10618040Abstract: An object of the present invention is to provide a chabazite zeolite which does not easily peel from a substrate such as a honeycomb body even when the substrate has been coated therewith, while exhibiting excellent durability. The present invention relates to a chabazite zeolite for substrate coating, which includes (i) to (iv) below. (i) Si and Al are contained, (ii) an SiO2/Al2O3 molar ratio is in a range of 5<SiO2/Al2O3<10, (iii) an average crystal size is in a range of 0.05 ?m<average crystal size<1 ?m, and (iv) in a spectrum measured by 27Al-NMR, a ratio (ANFA/ATotal) between an area (ATotal) of all peaks in the spectrum and an area (ANFA) of peaks assigned to Al other than tetracoordinated Al is in a range of 20%?(ANFA/ATotal)?70%.Type: GrantFiled: October 25, 2017Date of Patent: April 14, 2020Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Yoko Yamaguchi, Shunji Tsuruta, Akira Nakashima
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Publication number: 20190330070Abstract: [Problem] Chabazite zeolites have a problem of low hydrothermal resistance. [Solution] By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.Type: ApplicationFiled: June 1, 2017Publication date: October 31, 2019Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Yoko YAMAGUCHI, Shunji TSURUTA, Akira NAKASHIMA
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Publication number: 20190240648Abstract: An object of the present invention is to provide a chabazite zeolite which does not easily peel from a substrate such as a honeycomb body even when the substrate has been coated therewith, while exhibiting excellent durability. The present invention relates to a chabazite zeolite for substrate coating, which includes (i) to (iv) below. (i) Si and Al are contained, (ii) an SiO2/Al2O3 molar ratio is in a range of 5<SiO2/Al2O3<10, (iii) an average crystal size is in a range of 0.05 ?m< average crystal size <1 ?m, and (iv) in a spectrum measured by 27Al-NMR, a ratio (ANFA/ATotal) between an area (ATotal) of all peaks in the spectrum and an area (ANFA) of peaks assigned to Al other than tetracoordinated Al is in a range of 20%?(ANFA/ATotal)?70%.Type: ApplicationFiled: October 25, 2017Publication date: August 8, 2019Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Yoko YAMAGUCHI, Shunji TSURUTA, Akira NAKASHIMA