Patents by Inventor Shohei YAMASHITA
Shohei YAMASHITA 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: 20240123674Abstract: Performance of a link apparatus is improved. A link mechanism (11C) included in the link apparatus includes, for example, a roller (110A) fixed to a link shaft (40A) via a bracket (100A), the roller (110A) being contactable with a link retainer (70).Type: ApplicationFiled: September 8, 2021Publication date: April 18, 2024Inventors: Naoaki YOSHIMATSU, Ichiro NAKAJIMA, Shohei YAMASHITA
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Publication number: 20240121529Abstract: To provide a solid-state imaging device and an electronic apparatus capable of achieving both of a high dynamic range operation and an auto focus operation in a pixel configuration in which a plurality of unit pixels includes two or more subpixels. There is provided a solid-state imaging device including: a first pixel separation region that separates a plurality of unit pixels including two or more subpixels; a second pixel separation region that separates each of the plurality of unit pixels separated by the first pixel separation region; and an overflow region that causes signal charges accumulated in the subpixels to overflow to at least one of adjacent subpixels, in which the overflow region is formed between a first subpixel and a second subpixel.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: HIROFUMI YAMASHITA, SHOHEI SHIMADA, YUSUKE OTAKE, YUSUKE TANAKA, TOSHIFUMI WAKANO
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Patent number: 11937002Abstract: Provided is a solid-state imaging device and an electronic apparatus capable of achieving both of a high dynamic range operation and an auto focus operation in a pixel configuration in which a plurality of unit pixels includes two or more subpixels. The solid-state imaging device includes a first pixel separation region that separates a plurality of unit pixels including two or more subpixels, a second pixel separation region that separates each of the plurality of unit pixels separated by the first pixel separation region and an overflow region that causes signal charges accumulated in the subpixels to overflow to at least one of adjacent subpixels, in which the overflow region is formed between a first subpixel and a second subpixel.Type: GrantFiled: November 8, 2022Date of Patent: March 19, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Hirofumi Yamashita, Shohei Shimada, Yusuke Otake, Yusuke Tanaka, Toshifumi Wakano
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Publication number: 20240009917Abstract: A link mechanism 11 includes a pair of rail holders 24. The rail holders 24 include guide rollers 51a, 51b, 52a, and 52b configured to move along rails 13 and 14 while rotating, roller shafts 54 and 55 penetrating the guide rollers 51a, 51b, 52a, and 52b, bearings 56a, 56b, 57a, and 57b interposed between the guide rollers 51a, 51b, 52a, and 52b and the roller shafts 54 and 55 and rotatably supporting the guide rollers 51a, 51b, 52a, and 52b, and lower cover members 71 and upper cover members 72 provided on both end sides of the guide rollers 51a, 51b, 52a, and 52b in an axial direction and covering the bearings 56a, 56b, 57a, and 57b.Type: ApplicationFiled: June 3, 2021Publication date: January 11, 2024Inventors: Shohei YAMASHITA, Ichiro NAKAJIMA, Atsushi CHIKARAISHI
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Patent number: 11599035Abstract: A toner having a toner particle including a toner base particle and an organosilicon polymer coating the toner base particle, wherein when S1 (?m2) is a total area of a non-coated part not coated with the organosilicon polymer on an outermost surface of the toner particle, S2 (?m2) is a total area of a coated part coated with the organosilicon polymer on the outermost surface of the toner particle, and SA1 (?m2) is a total of areas of non-coated part domains D1 with an area of not more than 0.10 ?m2 in size in the non-coated part not coated with the organosilicon polymer, formulae (1) and (2) below are satisfied. 0.45?[S2/(S1+S2)]?0.65??(1) (SA1/S1)?0.Type: GrantFiled: April 5, 2021Date of Patent: March 7, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Yuhei Terui, Takeshi Tsujino, Junya Asaoka, Yuu Sasano, Koki Inoue, Shohei Yamashita, Shota Amano
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Patent number: 11592757Abstract: Provided is an electrophotographic developer set having a toner and a powder adhesive, wherein the toner comprises a thermoplastic resin A; the powder adhesive comprises a thermoplastic resin B and a wax A; the wax A has two or more ester groups in the molecule; the thermoplastic resin B has an ester group; and in a viscoelasticity measurement, with Gt?(100) (Pa) being a storage elastic modulus at 100° C. of the toner, and Gb?(100) (Pa) being a storage elastic modulus at 100° C. of the powder adhesive, Gb?(100) is 1.00×105 Pa or less, and Gt?(100)/Gb?(100) is 1.20 or more, as well as a method for producing a bonded product using the above electrophotographic developer set.Type: GrantFiled: July 26, 2021Date of Patent: February 28, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Shohei Yamashita, Yuhei Terui, Koji Nishikawa, Tsutomu Shimano, Kohei Matsuda, Yuki Nishizawa
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Publication number: 20230018899Abstract: There is provided a catalyst having an average electronegativity of 2.1 or more and 2.8 or less.Type: ApplicationFiled: September 9, 2022Publication date: January 19, 2023Applicants: Mitsubishi Chemical Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Tatsuya SUZUKI, Yuuki KATOU, Wataru NINOMIYA, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA, Shohei YAMASHITA
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Patent number: 11299148Abstract: The present invention provides a travel control apparatus for controlling traveling of a self-vehicle to avoid another vehicle on a front side, the apparatus comprising: a calculation unit for calculating a relative speed between the self-vehicle and the other vehicle; a state detection unit for detecting an operation state of the other vehicle; and a control unit for controlling avoidance processing of avoiding the other vehicle and causing the self-vehicle to pass a lateral side of the other vehicle, wherein the control unit changes a separation distance to separate the self-vehicle and the other vehicle in the avoidance processing in accordance with the relative speed calculated by the calculation unit and the operation state detected by the state detection unit.Type: GrantFiled: February 13, 2020Date of Patent: April 12, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Shohei Yamashita
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Publication number: 20220041906Abstract: The powder adhesive comprises a thermoplastic resin and particles of an aromatic compound, wherein the particles of an aromatic compound are particles of a compound that has an aromatic ring and an azo bond bonded to the aromatic ring, or are particles of a compound comprising a heteroaromatic ring comprising nitrogen atom; the thermoplastic resin comprises an ester group; and, designating Es (mmol/g) as an ester group concentration in the thermoplastic resin, M (mass %) as a content of the aromatic compound particles in the powder adhesive, and N (mmol/g) as a nitrogen atom concentration in the aromatic compound particles, Es is from 1.0 mmol/g to 4.5 mmol/g, M is from 1.0×10?4 mass % to 1.0×100 mass %, and N is from 5.0 mmol/g to 15.0 mmol/g.Type: ApplicationFiled: July 26, 2021Publication date: February 10, 2022Inventors: Yuhei Terui, Shohei Yamashita, Tsutomu Shimano, Koji Nishikawa, Kohei Matsuda, Yuki Nishizawa
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Publication number: 20220035262Abstract: An electrophotographic developer set comprising a toner, and a powder adhesive, wherein the powder adhesive comprises a crystalline polyester resin, and a thermoplastic resin other than the crystalline polyester resin; the amount of the crystalline polyester resin in the powder adhesive is 21% by mass or more; the melting point of the crystalline polyester resin is 55° C. to 100° C.; in a viscoelasticity measurement, where Gt?(100) denotes a storage elastic modulus of the toner at 100° C. and Gb?(100) denotes a storage elastic modulus of the powder adhesive at 100° C., Gb?(100) is 1.0×105 Pa or less and Gt?(100)/Gb?(100) is 1.2 or more.Type: ApplicationFiled: July 26, 2021Publication date: February 3, 2022Inventors: Koji Nishikawa, Tsutomu Shimano, Yuhei Terui, Shohei Yamashita, Kohei Matsuda, Yuki Nishizawa
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Publication number: 20220035261Abstract: An electrophotographic developer set comprising a toner comprising a thermoplastic resin and a wax, and a powder adhesive comprising a thermoplastic resin and a wax, wherein where Ea (mmol/g) denotes an ester group concentration of the wax contained in the toner, Na (mass %) denotes a content of the wax in the toner, Eb (mmol/g) denotes an ester group concentration of the wax contained in the powder adhesive, and Nb (mass %) denotes a content of the wax in the powder adhesive, the Ea, the Na, the Eb and the Nb satisfy the following formulae: 0.00?Ea?2.45, 2.50?Eb?3.60, and 0.80?Nb/Na.Type: ApplicationFiled: July 26, 2021Publication date: February 3, 2022Inventors: Tsutomu Shimano, Koji Nishikawa, Yuhei Terui, Shohei Yamashita, Kohei Matsuda, Yuki Nishizawa
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Publication number: 20220035264Abstract: Provided is an electrophotographic developer set having a toner and a powder adhesive, wherein the toner comprises a thermoplastic resin A; the powder adhesive comprises a thermoplastic resin B and a wax A; the wax A has two or more ester groups in the molecule; the thermoplastic resin B has an ester group; and in a viscoelasticity measurement, with Gt?(100) (Pa) being a storage elastic modulus at 100° C. of the toner, and Gb?(100) (Pa) being a storage elastic modulus at 100° C. of the powder adhesive, Gb?(100) is 1.00×105 Pa or less, and Gt?(100)/Gb?(100) is 1.20 or more, as well as a method for producing a bonded product using the above electrophotographic developer set.Type: ApplicationFiled: July 26, 2021Publication date: February 3, 2022Inventors: Shohei Yamashita, Yuhei Terui, Koji Nishikawa, Tsutomu Shimano, Kohei Matsuda, Yuki Nishizawa
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Publication number: 20220026821Abstract: Toner comprising a toner particle comprising a core particle comprising a binder resin and a shell formed on a surface of the core particle, wherein given YA (number %) as an abundance ratio of particles with a particle perimeter of less than 6.332 ?m, in a dispersion of the toner treated under the following ultrasound condition A, given XB as an average aspect ratio of the toner and YB (number %) as an abundance ratio of particles with a particle perimeter of less than 6.332 ?m, in a dispersion of the toner treated under the following ultrasound condition B, 0.75?XB?0.85 and 0.10?YA?YB?2.50 are satisfied: where ultrasound condition A: output frequency 30 kHz, output capacity 15 W, ultrasound intensity 100%, exposure time 300 s, and ultrasound condition B: output frequency 30 kHz, output capacity 15 W, ultrasound intensity 5%, exposure time 300 s.Type: ApplicationFiled: July 16, 2021Publication date: January 27, 2022Inventors: Shota Amano, Takeshi Tsujino, Junya Asaoka, Yuu Sasano, Yuhei Terui, Koki Inoue, Shohei Yamashita
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Publication number: 20210382406Abstract: A production method of a toner having a toner particle that contains a binder resin and an external additive that is externally added to the toner particle, wherein the production method has a toner particle dispersion step of obtaining a toner particle dispersion by dispersing the toner particle and an inorganic dispersant in an aqueous medium; and an external addition step of externally adding the external additive to the toner particle through addition of the external additive to the toner particle dispersion.Type: ApplicationFiled: June 2, 2021Publication date: December 9, 2021Inventors: Shohei Yamashita, Takeshi Tsujino, Junya Asaoka, Yuu Sasano, Yuhei Terui, Koki Inoue, Shota Amano
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Publication number: 20210318630Abstract: A toner having a toner particle including a toner base particle and an organosilicon polymer coating the toner base particle, wherein when S1 (?m2) is a total area of a non-coated part not coated with the organosilicon polymer on an outermost surface of the toner particle, S2 (?m2) is a total area of a coated part coated with the organosilicon polymer on the outermost surface of the toner particle, and SA1 (?m2) is a total of areas of non-coated part domains D1 with an area of not more than 0.10 ?m2 in size in the non-coated part not coated with the organosilicon polymer, formulae (1) and (2) below are satisfied. 0.45?[S2/(S1+S2)]?0.65??(1) (SA1/S1)?0.Type: ApplicationFiled: April 5, 2021Publication date: October 14, 2021Inventors: Yuhei Terui, Takeshi Tsujino, Junya Asaoka, Yuu Sasano, Koki Inoue, Shohei Yamashita, Shota Amano
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Publication number: 20200180613Abstract: The present invention provides a travel control apparatus for controlling traveling of a self-vehicle to avoid another vehicle on a front side, the apparatus comprising: a calculation unit for calculating a relative speed between the self-vehicle and the other vehicle; a state detection unit for detecting an operation state of the other vehicle; and a control unit for controlling avoidance processing of avoiding the other vehicle and causing the self-vehicle to pass a lateral side of the other vehicle, wherein the control unit changes a separation distance to separate the self-vehicle and the other vehicle in the avoidance processing in accordance with the relative speed calculated by the calculation unit and the operation state detected by the state detection unit.Type: ApplicationFiled: February 13, 2020Publication date: June 11, 2020Applicant: HONDA MOTOR CO., LTD.Inventor: Shohei Yamashita
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Publication number: 20190071073Abstract: A vehicle control apparatus comprising: an acquisition unit configured to acquire peripheral information of a self-vehicle; a detection unit configured to detect, based on the peripheral information, another vehicle approaching from one of a rear side and a lateral side of the self-vehicle; and a control unit configured to control an avoidance operation of the self-vehicle based on the other vehicle, wherein in a case in which the same other vehicle is detected not less than a predetermined number of times within a predetermined time, or in a case in which the same other vehicle is detected for not less than a predetermined time, the control unit controls to suppress a new avoidance operation.Type: ApplicationFiled: August 9, 2018Publication date: March 7, 2019Inventor: Shohei Yamashita
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Patent number: 9976510Abstract: A fuel injection control apparatus for an internal combustion engine having cylinders each of which includes a fuel injection valve and an intake valve, includes an intake valve controller, a parameter acquiring device, and an injection quantity correcting device. The intake valve controller performs an effective-compression-ratio reducing operation. The parameter acquiring device acquires a correction parameter including at least one of a rotational speed of the internal combustion engine, the valve closing timing of the intake valve, and an intake parameter indicating an intake fresh air amount flowing into the cylinders through an intake system. The injection quantity correcting device corrects a fuel injection quantity for the fuel injection valve in accordance with the acquired correction parameter to suppress variations among air/fuel ratios of air fuel mixtures in the cylinders while the intake valve controller performs the effective-compression-ratio reducing operation.Type: GrantFiled: May 11, 2016Date of Patent: May 22, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Shohei Yamashita, Tadashi Kurotani
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Patent number: 9964881Abstract: A toner comprising toner particles, each of which contains a binder resin and a colorant, wherein an onset temperature Te (° C.) of a storage elastic modulus E? obtained in a powder dynamic viscoelastic measurement on the toner is at least 50° C. and not more than 70° C., and a value at Te (° C.) of a storage elastic modulus G? obtained in a pellet dynamic viscoelastic measurement on the toner is at least 4.0×107 Pa and not more than 1.0×1010 Pa.Type: GrantFiled: May 16, 2017Date of Patent: May 8, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Takuma Ikejiri, Yusuke Hasegawa, Tomohisa Sano, Yoshitaka Suzumura, Shohei Yamashita
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Patent number: 9946181Abstract: A toner comprises toner particles, each of which contains a binder resin, a colorant, a wax and a crystalline polyester. The melting point P(t) of the crystalline polyester is at least 65.0° C. and not more than 80.0° C., and regarding a storage elastic modulus G? obtained in dynamic viscoelasticity measurement of the toner, where G? at 50° C. is denoted by G?(50), G? at 80° C. is denoted by G?(80), G? at 120° C. is denoted by G?(120), and G? at the melting point P(t) of the crystalline polyester is denoted by G?(t), the following formulas are satisfied: 4.2×108 Pa?G?(50), 3.0×102?G?(50)/G?(80), and G?(t)/G?(120)?7.0×102.Type: GrantFiled: May 4, 2017Date of Patent: April 17, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Yusuke Hasegawa, Tomohisa Sano, Yoshitaka Suzumura, Takuma Ikejiri, Shohei Yamashita