Patents by Inventor Takaya Sato
Takaya Sato 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: 11912952Abstract: A material comprising: a support 10; and a brush layer 20 containing a brush-like polymer chain assemblage 21 formed of a plurality of polymer chains and a swelling liquid 22, in which a brush layer 20 is swollen with the swelling liquid 22, the brush layer 20 retaining on the surface a lubricating liquid 30, and the swelling liquid 22 contained in the brush layer 20 and the lubricating liquid 30 being phase-separated to form a liquid-liquid phase separation interface 40 in between and a sliding system using the material.Type: GrantFiled: December 1, 2020Date of Patent: February 27, 2024Assignees: KYOTO UNIVERSITY, NATIONAL INSTITUTE OF TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITYInventors: Yoshinobu Tsujii, Keita Sakakibara, Takaya Sato, Hiroyuki Arafune, Ken Nakano, Mayu Miyazaki
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Publication number: 20240034065Abstract: A liquid ejection apparatus includes an ejection head configured to include an ejection port surface in which ejection ports for ejecting liquid are arranged, a cap configured to be movable to a capping position where the ejection port surface is capped, and to an uncapped position where the ejection port surface is not capped, and a cleaning mechanism configured to be movable, independently of the cap, to a cleaning position where the ejection head is cleaned, and to a standby position where the ejection head is not cleaned. The cap at the uncapped position is positioned above the cleaning mechanism at the standby position.Type: ApplicationFiled: July 21, 2023Publication date: February 1, 2024Inventors: TETSUJI SUZUKI, SEIJI SUZUKI, RYOSUKE ARAKI, TAKAYA SATO
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Publication number: 20240010015Abstract: A recording apparatus includes a conveyance roller configured to convey a recording medium in a conveyance direction, and a moving portion configured to move a recording head between a positioning position and a non-positioning position, the moving portion having a first supporting portion that supports the recording head at the non-positioning position. The first supporting portion does not support the recording head at the positioning position.Type: ApplicationFiled: June 30, 2023Publication date: January 11, 2024Inventors: RAN KUDO, SEIJI SUZUKI, TAKAYA SATO, RYOSUKE ARAKI, TAKUYA HANE, TAKAYUKI OKAMOTO, SATOSHI KIMURA, SHINGO OKUSHIMA
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Publication number: 20230398797Abstract: In a recording apparatus including a recording head having an ejection port surface in which an ejection port that ejects a liquid is provided and a supporting portion configured to support the recording head to move the recording head between a recording position and a non-recording position, the supporting portion can be in a first state where an angle change of the ejection port surface is regulated and a second state where the angle change of the ejection port surface is not regulated.Type: ApplicationFiled: June 6, 2023Publication date: December 14, 2023Inventors: SEIJI SUZUKI, RAN KUDO, TAKAYA SATO, RYOSUKE ARAKI, TAKUYA HANE, TAKAYUKI OKAMOTO, SATOSHI KIMURA, SHINGO OKUSHIMA
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Patent number: 11840078Abstract: A recording apparatus includes a storage unit, a supply flow path, a degassing unit, and a temperature adjustment unit. The storage unit stores liquid that is supplied to a recording head that discharges the liquid. The supply flow path connects the storage unit and the recording head. The degassing unit degases the liquid flowing in the supply flow path. The temperature adjustment unit is positioned between the storage unit and the degassing unit and adjusts a temperature of the liquid flowing in the supply flow path.Type: GrantFiled: November 11, 2021Date of Patent: December 12, 2023Assignee: Canon Kabushiki KaishaInventor: Takaya Sato
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Patent number: 11739284Abstract: A composite material comprising a plurality of polymer chains fixed to a base and swelled with a mixture which contains a salt and a hydrogen bond-donating compound and has a melting point maintained at 100° C. or less.Type: GrantFiled: September 23, 2020Date of Patent: August 29, 2023Assignees: NISSHINBO HOLDINGS INC., NATIONAL INSTITUTE OF TECHNOLOGYInventors: Satoshi Kubota, Gen Masuda, Takaya Sato, Hiroyuki Arafune
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Patent number: 11718092Abstract: A recording apparatus that performs recording on a recording medium, includes a liquid discharge head including a plurality of element substrates each having a discharge port configured to discharge liquid and a heat element configured to heat the liquid, a channel member including a common supply channel configured to communicate with the plurality of the element substrates and to supply the liquid to the plurality of the element substrates, and a common collecting channel configured to communicate with the plurality of the element substrates and to collect the liquid from the plurality of the element substrates, wherein the common supply channel and the common collecting channel are respectively disposed out of alignment in a conveyance direction of the recording medium, and wherein, upstream of the element substrates, the recording apparatus comprises a heat unit configured to heat the liquid flowing in the common supply channel.Type: GrantFiled: November 12, 2021Date of Patent: August 8, 2023Assignee: Canon Kabushiki KaishaInventors: Yumi Komamiya, Takaya Sato
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Publication number: 20230034470Abstract: A material comprising: a support 10; and a brush layer 20 containing a brush-like polymer chain assemblage 21 formed of a plurality of polymer chains and a swelling liquid 22, in which a brush layer 20 is swollen with the swelling liquid 22, the brush layer 20 retaining on the surface a lubricating liquid 30, and the swelling liquid 22 contained in the brush layer 20 and the lubricating liquid 30 being phase-separated to form a liquid-liquid phase separation interface 40 in between and a sliding system using the material.Type: ApplicationFiled: December 1, 2020Publication date: February 2, 2023Inventors: Yoshinobu TSUJII, Keita SAKAKIBARA, Takaya SATO, Hiroyuki ARAFUNE, Ken NAKANO, Mayu MIYAZAKI
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Publication number: 20220389347Abstract: A composite material comprising a plurality of polymer chains fixed to a base and swelled with a mixture which contains a salt and a hydrogen bond-donating compound and has a melting point maintained at 100° C. or less.Type: ApplicationFiled: September 23, 2020Publication date: December 8, 2022Applicants: NISSHINBO HOLDINGS INC., NATIONAL INSTITUTE OF TECHNOLOGYInventors: Satoshi KUBOTA, Gen MASUDA, Takaya SATO, Hiroyuki ARAFUNE
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Publication number: 20220373461Abstract: A recording apparatus includes a channel through which liquid to be supplied to a recording head that ejects the liquid flows and a concentration measuring unit including a light emitting unit and a light receiving unit and configured to measure the concentration of the liquid, wherein the concentration measuring unit is disposed at a direction change portion at which the liquid flowing through the channel changes in direction.Type: ApplicationFiled: May 13, 2022Publication date: November 24, 2022Inventor: Takaya Sato
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Publication number: 20220161553Abstract: A recording apparatus includes a storage unit, a supply flow path, a degassing unit, and a temperature adjustment unit. The storage unit stores liquid that is supplied to a recording head that discharges the liquid. The supply flow path connects the storage unit and the recording head. The degassing unit degases the liquid flowing in the supply flow path. The temperature adjustment unit is positioned between the storage unit and the degassing unit and adjusts a temperature of the liquid flowing in the supply flow path.Type: ApplicationFiled: November 11, 2021Publication date: May 26, 2022Inventor: Takaya Sato
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Publication number: 20220161552Abstract: A recording apparatus that performs recording on a recording medium, includes a liquid discharge head including a plurality of element substrates each having a discharge port configured to discharge liquid and a heat element configured to heat the liquid, a channel member including a common supply channel configured to communicate with the plurality of the element substrates and to supply the liquid to the plurality of the element substrates, and a common collecting channel configured to communicate with the plurality of the element substrates and to collect the liquid from the plurality of the element substrates, wherein the common supply channel and the common collecting channel are respectively disposed out of alignment in a conveyance direction of the recording medium, and wherein, upstream of the element substrates, the recording apparatus comprises a heat unit configured to heat the liquid flowing in the common supply channel.Type: ApplicationFiled: November 12, 2021Publication date: May 26, 2022Inventors: Yumi Komamiya, Takaya Sato
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Publication number: 20220097405Abstract: A recording apparatus includes a carriage, a tank, a flow passage, and a valve. The carriage includes a recording head that ejects liquid contained in the tank and supplied from the flow passage. The flow passage includes (i) a fixed flow passage connected to the tank without following a movement of the carriage, (ii) a first flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head, and (iii) a second flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head. The valve is provided in one of the first and second flow passages and limits a flow of liquid from the tank to the recording head and allows liquid to flow from the recording head to the tank.Type: ApplicationFiled: September 28, 2021Publication date: March 31, 2022Inventors: Ryohei Maruyama, Kenta Iimura, Daigo Kuronuma, Takaya Sato, Tomohito Abe, Naoaki Wada, Masakazu Nagashima, Toshiaki Yamaguchi, Ryutaro Takahashi
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Publication number: 20220097390Abstract: A recording apparatus includes a carriage, a tank, and a flow passage. The carriage includes a liquid ejecting recording head and reciprocates in first and second directions. The flow passage supplies liquid from the tank to the recording head, and includes a fixed flow passage, a first flow passage, and a second flow passage. The fixed flow passage is connected to the tank and does not to follow a movement of the carriage. The first flow passage is branched off from the fixed flow passage, is connected to the recording head in the first direction, and follows the carriage movement. The second flow passage is branched off from the fixed flow passage, is connected to the recording head in the second direction, and follows the carriage movement. After the carriage moves in the first direction, stops, and moves in the second direction, liquid is sucked from the recording head.Type: ApplicationFiled: September 28, 2021Publication date: March 31, 2022Inventors: Takaya Sato, Ryohei Maruyama, Daigo Kuronuma, Kenta Iimura, Tomohito Abe, Naoaki Wada, Masakazu Nagashima, Toshiaki Yamaguchi, Ryutaro Takahashi
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Patent number: 11274176Abstract: A composite including a plurality of block copolymer chains dispersed in a base polymer, the block copolymer chains including a polymer block (A) and a polymer block (B) having lower affinity for the base polymer than that of the polymer block (A), wherein each of the block copolymer chains has the polymer block (A) at two or more locations of the block copolymer chain, and in at least some of the block copolymer chains, the polymer blocks (A) are at least partially located in the base polymer and the polymer blocks (B) are at least partially exposed from the base polymer.Type: GrantFiled: March 2, 2018Date of Patent: March 15, 2022Assignees: NATIONAL INSTITUTE OF TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, KYOTO UNIVERSITY, NISSHINBO HOLDINGS INC.Inventors: Takaya Sato, Hiroyuki Arafune, Takashi Morinaga, Saika Honma, Toshio Kamijo, Ken Nakano, Yoshinobu Tsujii
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Publication number: 20220063285Abstract: A printing apparatus includes a tank configured to store a liquid to be supplied to a print head, a supply channel configured to supply the liquid from the tank to the print head, a replenishment channel configured to replenish the tank with the liquid, and a stirring unit in the tank, the stirring unit being configured to stir the liquid in the tank by rotating in a first rotation direction. A first distance from a supply port at which the supply channel opens in the tank to a replenishment port at which the replenishment channel opens in the tank in the first rotation direction is less than a second distance from the replenishment port to the supply port in the first rotation direction.Type: ApplicationFiled: August 12, 2021Publication date: March 3, 2022Inventors: Takuya Hane, Takaya Sato
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Patent number: 11168170Abstract: A clearance narrowing material containing a brush-shaped polymer chain aggregate formed of multiple polymer chains immobilized on a substrate. The invention provides a clearance narrowing material which can effectively prevent fluid leakage through a clearance and which does not disturb relative movement of members to form a clearance, and can realize an article in which fluid leakage through a clearance can be effectively prevented and the members to form a clearance can move smoothly.Type: GrantFiled: April 25, 2018Date of Patent: November 9, 2021Assignees: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, NATIONAL INSTITUTE OF TECHNOLOGYInventors: Chiharu Tadokoro, Takuo Nagamine, Yoshinobu Tsujii, Keita Sakakibara, Ken Nakano, Hitoshi Hattori, Shinya Sasaki, Takaya Sato
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Patent number: 10882962Abstract: Using an organic compound having a bottle brush structure, a material having softness and resilience and having excellent low-friction performance (SRT material) can be provided. Preferably, the SRT material contains a reinforcing filler, and may contain a lubricating liquid to be gelled.Type: GrantFiled: September 28, 2018Date of Patent: January 5, 2021Assignee: KYOTO UNIVERSITYInventors: Yoshinobu Tsujii, Keita Sakakibara, Yoshihiko Shimizu, Hiroshi Watanabe, Takaya Sato, Ken Nakano, Hitoshi Hattori
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Patent number: 10858491Abstract: The present invention provides porous particles made of an organic polymer, uniform in shape, and having through holes that are not closed. The porous particles according to the present invention are porous particles having a substantially spherical shape. The porous particles are made of an organic polymer. Each of the porous particles has an interconnected pore structure in which through holes provided inside the porous particle communicate with each other, and ends of the through holes are open toward an outside of the porous particle.Type: GrantFiled: August 5, 2016Date of Patent: December 8, 2020Assignees: Kyoto University, Emaus Kyoto, Inc., Kosen National Institute of TechnologyInventors: Norio Ishizuka, Kyoko Konishi, Toshikazu Oda, Yoshinobu Tsujii, Keita Sakakibara, Takaya Sato
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Publication number: 20200181309Abstract: A clearance narrowing material containing a brush-shaped polymer chain aggregate funned of multiple polymer chains immobilized on a substrate. The invention provides a clearance narrowing material which can effectively prevent fluid leakage through a clearance and which does not disturb relative movement of members to form a clearance, and can realize an article in which fluid leakage through a clearance can be effectively prevented and the members to form a clearance can move smoothly.Type: ApplicationFiled: April 25, 2018Publication date: June 11, 2020Inventors: Chiharu TADOKORO, Takuo NAGAMINE, Yoshinobu TSUJII, Keita SAKAKIBARA, Ken NAKANO, Hitoshi HATTORI, Shinya SASAKI, Takaya SATO