Patents by Inventor Takahiro Yamasaki
Takahiro Yamasaki 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: 11859635Abstract: An axial-flow fan includes: a hub; and blades disposed on an outer peripheral surface of the hub and spaced apart from each other in a circumferential direction. The hub includes: an outer wall having a tubular shape; an inner wall having a tubular shape and being disposed radially inward of the outer wall; a boss to which a shaft is mounted and that is disposed radially inward of the inner wall; a first sidewall connecting an end portion of the outer wall that is closer to a first side in a rotation axis direction of the hub with an end portion of the inner wall that is closer to the first side in the rotation axis direction; and a second sidewall connecting the end portion of the inner wall with an end portion of the boss that is closer to the first side in the rotation axis direction.Type: GrantFiled: July 20, 2023Date of Patent: January 2, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hirotaka Tomioka, Takahiro Yamasaki
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Patent number: 11828294Abstract: A propeller fan includes a hub, and a plurality of wings provided at an outer circumference of the hub. Each of the wings includes a protrusion tapered and positioned on a rotation direction rear side in a radially outer portion of the wing, the protrusion includes a top positioned at a rearmost end in the rotation direction, an outer circumferential rear edge positioned radially outside the top, and an inner circumferential rear edge positioned radially inside the top, the outer circumferential rear edge includes a first serration having a first serration shape, and the inner circumferential rear edge includes a second serration having a second serration shape.Type: GrantFiled: June 21, 2023Date of Patent: November 28, 2023Assignee: Daikin Industries, Ltd.Inventors: Hirotaka Tomioka, Takahiro Yamasaki
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Publication number: 20230358249Abstract: An axial-flow fan includes: a hub; and blades disposed on an outer peripheral surface of the hub and spaced apart from each other in a circumferential direction. The hub includes: an outer wall having a tubular shape; an inner wall having a tubular shape and being disposed radially inward of the outer wall; a boss to which a shaft is mounted and that is disposed radially inward of the inner wall; a first sidewall connecting an end portion of the outer wall that is closer to a first side in a rotation axis direction of the hub with an end portion of the inner wall that is closer to the first side in the rotation axis direction; and a second sidewall connecting the end portion of the inner wall with an end portion of the boss that is closer to the first side in the rotation axis direction.Type: ApplicationFiled: July 20, 2023Publication date: November 9, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hirotaka Tomioka, Takahiro Yamasaki
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Publication number: 20230349390Abstract: A propeller fan includes a hub, and a plurality of wings provided at an outer circumference of the hub. Each of the wings includes a protrusion tapered and positioned on a rotation direction rear side in a radially outer portion of the wing, the protrusion includes a top positioned at a rearmost end in the rotation direction, an outer circumferential rear edge positioned radially outside the top, and an inner circumferential rear edge positioned radially inside the top, the outer circumferential rear edge includes a first serration having a first serration shape, and the inner circumferential rear edge includes a second serration having a second serration shape.Type: ApplicationFiled: June 21, 2023Publication date: November 2, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hirotaka TOMIOKA, Takahiro YAMASAKI
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Patent number: 11749188Abstract: A display element includes a shield line disposed between adjacent ones of signal lines that transmit a digital signal from a latch unit to a plurality of digital-to-analog converters.Type: GrantFiled: March 9, 2021Date of Patent: September 5, 2023Assignee: Canon Kabushiki KaishaInventors: Takahiro Yamasaki, Yu Maehashi
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Patent number: 11297273Abstract: A photoelectric conversion apparatus including a plurality of pixels each having: a photoelectric conversion unit; a first charge holding unit; a second charge holding unit; a first gate; and a second gate. In a period when the photoelectric conversion unit is storing charges to be transferred to the first charge holding unit, the potential of the first gate is set to a first potential, and the potential of the second gate is set to a second potential. Both the first potential and the second potential are higher than the potential of the first gate in a period when the charges of the photoelectric conversion unit are transferred to the first charge holding unit and the potential of the second gate in a period when the charges of the photoelectric conversion unit are transferred to the second charge holding unit. The first potential is lower than the second potential.Type: GrantFiled: January 30, 2020Date of Patent: April 5, 2022Assignee: Canon Kabushiki KaishaInventors: Hiroshi Sekine, Hiroaki Sano, Hisashi Takado, Takahiro Yamasaki, Masahiro Kobayashi
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Patent number: 11272907Abstract: A feces collection sheet (S), which has a cylindrical shape and includes: an upper sheet (1) having a feces receiving portion (2) in a center of the upper sheet (1); and a lower sheet (9), which is provided so as to extend from both of a right-side edge portion and a left-side edge portion of the upper sheet (1) and is configured to define a gap with the upper sheet (1) to allow insertion of a toilet seat therethrough. The upper sheet (1) and the lower sheet (9) are made of a material having a water-soluble material property. The upper sheet (1) has a folded piece portion (10) adapted to be unfolded to enable the feces receiving portion (2) to form a three-dimensional shape that bulges toward the lower sheet (9).Type: GrantFiled: July 26, 2017Date of Patent: March 15, 2022Assignees: YAMAGUCHI UNIVERSITY, EIKEN KAGAKU KABUSHIKI KAISHAInventors: Yutaka Suehiro, Tomomi Hoshida, Takahiro Yamasaki
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Patent number: 11164899Abstract: An imaging device is used that has: a substrate; a first electrode layer disposed on the substrate, and having a first electrode; a first photoelectric conversion film disposed on the first electrode layer; a pixel electrode layer disposed on the first photoelectric conversion film, and having a pixel electrode; a second photoelectric conversion film disposed on the pixel electrode layer; and a second electrode layer disposed on the second photoelectric conversion film, and having a second electrode, wherein at least part of a period from among a first accumulation period during which a signal of the first photoelectric conversion film is accumulated, and a second accumulation period during which a signal of the second photoelectric conversion film is accumulated, does not overlap the other from among the first accumulation period and the second accumulation period.Type: GrantFiled: April 8, 2019Date of Patent: November 2, 2021Assignee: Canon Kabushiki KaishaInventors: Takahiro Yamasaki, Atsushi Furubayashi
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Patent number: 11120728Abstract: A display device includes plurality of pixels arranged to form rows and columns, row selection circuit, and signal supply circuit for supplying signal to pixels of a row selected from the plurality of pixels by the row selection circuit The signal supply circuit includes first holder including first data holders, scanning circuit for sequentially selecting the first data holders and causing each selected first data holder to receive data, a second holder including blocks each including second data holders, the second holder being configured to time-divisionally receive a plurality of data held by the first holder, and DA converter for supplying a plurality of analog signals corresponding to the plurality of data held by the second holder to the pixels of the row selected from the plurality of pixels by the row selection circuit.Type: GrantFiled: November 7, 2019Date of Patent: September 14, 2021Assignee: Canon Kabushiki KaishaInventors: Mizuki Nagasaki, Takahiro Yamasaki, Yasushi Matsuno
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Patent number: 11062641Abstract: A display device includes signal supply circuit having N blocks and data supply circuit for supplying data to the N blocks. Each block includes holding block having k data holders for supply signals to k columns, and scanning circuit block for sequentially selecting the k data holders to receive data from the data supply circuit. The scanning circuit block includes k-stage shift register formed from k registers. Scanning circuit is formed by N scanning circuit blocks each arranged in one of the N blocks, and sequentially selects the N holding blocks each arranged in one of the N blocks to sequentially select the k data holders of each selected holding block to receive data. In response to output from i-th register of n-th block, the data supply circuit sets (n+1)-th block in operation-enabled state.Type: GrantFiled: October 31, 2019Date of Patent: July 13, 2021Assignee: Canon Kabushiki KaishaInventors: Takahiro Yamasaki, Takashi Muto
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Publication number: 20210193032Abstract: A display element includes a shield line disposed between adjacent ones of signal lines that transmit a digital signal from a latch unit to a plurality of digital-to-analog converters.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Inventors: Takahiro Yamasaki, Yu Maehashi
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Patent number: 10996319Abstract: A distance measuring system and a controlling method of the system can reduce power consumption of a distance measuring apparatus acquiring an image including distance information. For example, the distance measuring system includes a distance measuring apparatus acquiring distance information concerning an image capturing target, a calculating unit estimating an estrangement period in which the image capturing target cannot be recognized in an image, based on the distance information, and a controlling unit setting the distance measuring apparatus to a power saving mode of controlling an acquiring frequency of the image according to the estrangement period when the estrangement period is a first threshold value or more, and setting the distance measuring apparatus to a normal mode of controlling the acquiring frequency of the image independently from the estrangement period when the estrangement period is less than the first threshold value.Type: GrantFiled: June 13, 2018Date of Patent: May 4, 2021Assignee: Canon Kabushiki KaishaInventor: Takahiro Yamasaki
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Patent number: 10981877Abstract: A production method of a compound represented by the formula [I]: or a pharmaceutically acceptable salt thereof, or a hydrate thereof.Type: GrantFiled: July 28, 2017Date of Patent: April 20, 2021Assignee: JAPAN TOBACCO INC.Inventors: Takahisa Motomura, Masafumi Inoue, Hirotsugu Ito, Takuya Matsuo, Koichi Suzawa, Hiroshi Yamamoto, Tsubasa Takeichi, Yasuyuki Kajimoto, Takashi Inaba, Takao Ito, Takahiro Yamasaki, Yukishige Ikemoto
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Patent number: 10977989Abstract: A display element includes a shield line disposed between adjacent ones of signal lines that transmit a digital signal from a latch unit to a plurality of digital-to-analog converters.Type: GrantFiled: October 21, 2019Date of Patent: April 13, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Yamasaki, Yu Maehashi
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Patent number: 10822354Abstract: The present invention provides a method for producing a 7H-pyrrolo[2,3-d]pyrimidine derivative that is useful as a janus kinase (JAK) inhibitor; an intermediate of the 7H-pyrrolo[2,3-d]pyrimidine derivative; and a method for producing the intermediate. The present invention provides a method for producing 3-[(3S,4R)-3-methyl-6-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.4]octan-1-yl]-3-oxopropanenitrile, which uses a salt of an organic acid and (3S,4R)-3-methyl-1,6-diazaspiro[3.4]octane-1-carboxylic acid benzyl.Type: GrantFiled: July 6, 2016Date of Patent: November 3, 2020Assignee: Japan Tobacco Inc.Inventors: Takahiro Yamasaki, Yoshinori Hara, Takayuki Sakai, Kengo Murakami, Katsuyoshi Hara, Naoki Manta
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Publication number: 20200252570Abstract: A photoelectric conversion apparatus including a plurality of pixels each having: a photoelectric conversion unit; a first charge holding unit; a second charge holding unit; a first gate; and a second gate. In a period when the photoelectric conversion unit is storing charges to be transferred to the first charge holding unit, the potential of the first gate is set to a first potential, and the potential of the second gate is set to a second potential. Both the first potential and the second potential are higher than the potential of the first gate in a period when the charges of the photoelectric conversion unit are transferred to the first charge holding unit and the potential of the second gate in a period when the charges of the photoelectric conversion unit are transferred to the second charge holding unit. The first potential is lower than the second potential.Type: ApplicationFiled: January 30, 2020Publication date: August 6, 2020Inventors: Hiroshi Sekine, Hiroaki Sano, Hisashi Takado, Takahiro Yamasaki, Masahiro Kobayashi
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Publication number: 20200152110Abstract: A display device includes plurality of pixels arranged to form rows and columns, row selection circuit, and signal supply circuit for supplying signal to pixels of a row selected from the plurality of pixels by the row selection circuit The signal supply circuit includes first holder including first data holders, scanning circuit for sequentially selecting the first data holders and causing each selected first data holder to receive data, a second holder including blocks each including second data holders, the second holder being configured to time-divisionally receive a plurality of data held by the first holder, and DA converter for supplying a plurality of analog signals corresponding to the plurality of data held by the second holder to the pixels of the row selected from the plurality of pixels by the row selection circuit.Type: ApplicationFiled: November 7, 2019Publication date: May 14, 2020Inventors: Mizuki Nagasaki, Takahiro Yamasaki, Yasushi Matsuno
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Publication number: 20200143734Abstract: A display device includes signal supply circuit having N blocks and data supply circuit for supplying data to the N blocks. Each block includes holding block having k data holders for supply signals to k columns, and scanning circuit block for sequentially selecting the k data holders to receive data from the data supply circuit. The scanning circuit block includes k-stage shift register formed from k registers. Scanning circuit is formed by N scanning circuit blocks each arranged in one of the N blocks, and sequentially selects the N holding blocks each arranged in one of the N blocks to sequentially select the k data holders of each selected holding block to receive data. In response to output from i-th register of n-th block, the data supply circuit sets (n+1)-th block in operation-enabled state.Type: ApplicationFiled: October 31, 2019Publication date: May 7, 2020Inventors: Takahiro Yamasaki, Takashi Muto
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Publication number: 20200126479Abstract: A display element includes a shield line disposed between adjacent ones of signal lines that transmit a digital signal from a latch unit to a plurality of digital-to-analog converters.Type: ApplicationFiled: October 21, 2019Publication date: April 23, 2020Inventors: Takahiro Yamasaki, Yu Maehashi
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Patent number: 10536653Abstract: A solid-state imaging device includes a photoelectric converter including a photoelectric conversion film, a first electrode arranged on one surface side of the photoelectric conversion film, and a plurality of second electrodes arranged on the other surface side of the photoelectric conversion film, a plurality of charge accumulation portions each connected to corresponding one of the plurality of second electrodes, an output unit that outputs a plurality of signals each corresponding to an amount of charges accumulated in each of the plurality of charge accumulation portions, and a control unit that individually controls a drive voltage applied to each of the plurality of second electrodes. The control unit controls the drive voltage applied to each of the second electrodes such that, in an accumulation period of charges of one frame, each of the second electrodes sequentially becomes the lowest potential relative to the charges of the second electrodes.Type: GrantFiled: February 28, 2019Date of Patent: January 14, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Hajime Ikeda, Takahiro Yamasaki