Patents by Inventor Kotaro Yamada
Kotaro Yamada 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: 20240135971Abstract: A magnetic disk device includes a plurality of disk-shaped magnetic disks 30, spacers 80, a hub 90, a clamp 70, and a fastening member 72. Each of the magnetic disks 30 includes a through-hole in a center section thereof. Each of the spacers 80 includes a through-hole in a center section thereof, and is disposed among the magnetic disks 30. The hub 90 is inserted into the through-holes of the magnetic disks 30 and the spacers 80. The clamp 70 presses and holds the magnetic disks 30 and the spacers 80. The fastening member 72 fastens the clamp 70 to the hub 90. The clamp 70 is fastened to the hub by the fastening member 72 with a torque of from 5 cN·m to 45 cN·m.Type: ApplicationFiled: February 28, 2022Publication date: April 25, 2024Inventors: Kotaro KITAWAKI, Shinpei TODO, Ryohei YAMADA, Hideyuki HATAKEYAMA
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Patent number: 11945776Abstract: An electrolyte solution containing a compound represented by the following formula (1).Type: GrantFiled: January 9, 2019Date of Patent: April 2, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yoshiko Kuwajima, Akiyoshi Yamauchi, Kotaro Hayashi, Hisako Nakamura, Toshiharu Shimooka, Takaya Yamada, Yoshihiro Yamamoto, Shigeaki Yamazaki, Kenzou Takahashi
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Patent number: 11948753Abstract: A manufacturing method of a multilayer ceramic electronic device includes: forming each of stack units by forming each of internal electrode patterns on each of dielectric green sheets, the each of internal electrode patterns including Ni, Sn and Au; forming a multilayer structure by stacking the each of stack units; and firing the multilayer structure, whereby each internal electrode layer is formed from the each of internal electrode patterns and each dielectric layer is formed from the each of the dielectric green sheets wherein, in the each internal electrode layer, an Au concentration near each interface between the each internal electrode layer and the each dielectric layer is larger than an Au concentration in each center portion in a thickness direction.Type: GrantFiled: June 1, 2023Date of Patent: April 2, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Kazuki Yamada, Kotaro Mizuno, Yoichi Kato, Hidetoshi Masuda
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Patent number: 11935559Abstract: This magnetic disk device is a 3.5-inch magnetic disk device equipped with magnetic disks formed from an aluminum alloy substrate. The magnetic disks arranged in a stacked manner have a thickness Td of 0.3 mm to 0.6 mm, the number N of magnetic disks involved is 10 to 16, and spacers disposed between the magnetic disks have an outside diameter 2 Rso of 35 mm to 65 mm. The outside diameter 2 Rso (mm) of the spacers satisfies 2 Rso??60 Td+70 and 2 Rso??0.5 N2?+16.5 N?73.Type: GrantFiled: November 11, 2021Date of Patent: March 19, 2024Assignees: UACJ CORPORATION, FURUKAWA ELECTRIC CO., LTD.Inventors: Naoki Kitamura, Kotaro Kitawaki, Hideyuki Hatakeyama, Ryohei Yamada, Toshihiro Nakamura
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Patent number: 11916195Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):Type: GrantFiled: March 11, 2019Date of Patent: February 27, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masakazu Kinoshita, Tomoya Hidaka, Toshiharu Shimooka, Shigeaki Yamazaki, Hisako Nakamura, Takaya Yamada, Yuuki Suzuki, Yoshiko Kuwajima, Kenzou Takahashi, Akiyoshi Yamauchi, Kotaro Hayashi
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Publication number: 20230240514Abstract: An endoscope treatment tool, comprising: a sheath; a handle body; a wire; a treatment portion connected to a distal end of the wire and arranged on a distal end side of the sheath; a rotating handle movable with respect to the handle body and connected to the wire; a conductive connector having an insertion passage through which the wire is inserted, wherein the wire is movable in a wire movement direction to advance and retreat in a direction that is parallel to a longitudinal axis of the handle body, wherein the wire is rotatable around an axis of the wire movement direction, and wherein the conductive connector extends in a direction that intersects the wire movement direction.Type: ApplicationFiled: February 2, 2023Publication date: August 3, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yusuke SHIOTA, Kotaro YAMADA, Daiki HAGIWARA, Hiromasa KATO, Chika MIYAJIMA
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Publication number: 20230133233Abstract: An endoscope treatment tool includes a sheath and an incision device. The sheath includes a distal end portion having a first channel. The first channel extends internal to the distal end portion between a distal opening at a distal end surface of the distal end portion and a proximal opening at a main flow chamber. The incision device is inserted in the first channel and includes a second channel extending between a distal end of the incision device and a proximal end of the incision device. The endoscope treatment tool is switchable between a first mode and a second mode. In the first mode, a first path for fluid is formed between the main flow chamber and the first channel. In the second mode, a second path for fluid is formed between the main flow chamber and the second channel.Type: ApplicationFiled: October 26, 2022Publication date: May 4, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Hiromasa KATO, Yusuke SHIOTA, Kotaro YAMADA
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Publication number: 20230133812Abstract: An endoscope treatment tool includes a sheath, a knife, a connecting unit and a body. The sheath includes a first channel opened at a distal end of the sheath. The knife inserted into the first channel, the knife having a second channel extending from a distal end of the knife to a proximal end of the knife. The connecting unit is located inside the sheath, the connecting unit including a cavity internal to the connecting unit and defining a storage path. A cross-sectional area of the cavity is larger than a cross-sectional area of the second channel. The body disposed in the cavity. The body is translatable in the cavity between a first position and a second position. The body forms a passage and, in the first position, the passage is in communication with the second channel.Type: ApplicationFiled: October 27, 2022Publication date: May 4, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yusuke SHIOTA, Kotaro YAMADA, Hiromasa KATO
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Publication number: 20230137591Abstract: An endoscope treatment tool includes a sheath, an electrode and a needle. The sheath includes a first hole opened at a distal end of the sheath. The electrode is inserted into the first hole and includes a second hole opened at a distal end of the electrode. The needle is inserted into the second hole. The needle is movable to protrude from a distal end of the second hole of the electrode. A gap between the electrode and the needle is configured to pass a fluid.Type: ApplicationFiled: October 26, 2022Publication date: May 4, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kotaro YAMADA, Yusuke SHIOTA, Hiromasa KATO
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Publication number: 20230136593Abstract: A treatment tool includes a sheath, a hollow pipe extending in the sheath and an elastically deformable constricting member. The hollow pipe includes a flow channel formed in a direction of a longitudinal axis of the hollow pipe and extending between a distal end of the hollow pipe and a proximal end of the hollow pipe. The elastically deformable constricting member includes a first end that is reversibly insertable into the flow channel.Type: ApplicationFiled: October 28, 2022Publication date: May 4, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kotaro YAMADA, Yusuke SHIOTA, Hiromasa KATO
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Patent number: 11608821Abstract: A ball non-return valve that can be integrated with a diaphragm pump or the like, does not transmit strain generated by stress during valve assembly to a ball seal portion, and can stably maintain sealing performance, and a diaphragm pump are disclosed. The non-return valve includes a valve seat having a through-hole, and a ball that opens and closes a flow of a fluid through the through-hole. The valve seat made of a corrosion resistant material is composed of a first valve seat that can support the ball and seal the through-hole, and a second valve seat that has a substantially cylindrical shape surrounding the first valve seat and in which the space between a valve case and the second valve seat is sealed by an O-ring. Clearances d3 and d4 are formed between the first valve seat and the second valve seat, and a horizontal surface of a notched portion of the second valve seat is mounted on an upper surface of a flange portion of the first valve seat.Type: GrantFiled: June 13, 2019Date of Patent: March 21, 2023Assignee: YAMADA CORPORATIONInventors: Kotaro Yamada, Satoru Suwabe
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Patent number: 11448204Abstract: To manufacture a diaphragm pump with higher reliability in which the mechanism of a main valve is simplified without a pilot chamber.Type: GrantFiled: May 23, 2019Date of Patent: September 20, 2022Assignee: YAMADA CORPORATIONInventors: Kotaro Yamada, Satoru Suwabe
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Publication number: 20220240960Abstract: An endoscopic treatment device includes a sheath formed from a resin; a flow-passage formation member attached to a distal end portion of the sheath to be rotatable around a longitudinal axis of the sheath; a pair of forceps pieces supported by the flow-passage formation member such that the pair of forceps pieces are able to be opened and closed; a link mechanism connected to the pair of forceps pieces and configured to open and close the pair of forceps pieces; an operation wire extending along the longitudinal axis of the sheath; and a connection member configured to connect a proximal end arm of the link mechanism and the operation wire.Type: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yusuke SHIOTA, Chika MIYAJIMA, Hiromasa KATO, Kotaro YAMADA, Tomohiro TSUJI
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Publication number: 20220241002Abstract: An endoscopic treatment device includes a sheath formed from a resin; a tubular hollow needle inserted into the sheath and having a sharp distal end; a rod formed from a metal and having a conduit; a shaft attached to a proximal end of the rod and having an internal space communicating with the conduit of the rod; and an operation portion including (i) a slider attached to a proximal end of the shaft, and (ii) and a lever attached to a proximal end of the hollow needle.Type: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yusuke SHIOTA, Chika MIYAJIMA, Hiromasa KATO, Kotaro YAMADA, Tomohiro TSUJI
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Patent number: 11390245Abstract: A tire anti-theft system includes a transmitter attached to a tire and configured to transmit tire ID information; a first database configured to store vehicle ID information and tire ID information of a tire mounted on the vehicle; a second database configured to store the tire ID information and tire status information indicating whether or not the tire identified with the tire ID information is stolen tire; and a vehicle control apparatus, in which the vehicle control apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on a vehicle to be controlled and acquire the tire ID information, and a controller configured to, in a case where the reader acquires the tire ID information, restrict operation of the vehicle to be controlled if information indicating that the tire is stolen tire is stored in association with the tire ID information.Type: GrantFiled: September 12, 2018Date of Patent: July 19, 2022Assignee: BRIDGESTONE CORPORATIONInventors: Jun Watanabe, Shin Sukegawa, Takayuki Ohara, Kenji Matsuo, Kotaro Yamada, Satoshi Hirajima, Suguru Yamaguchi
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Patent number: 11288628Abstract: An information presentation system includes an information presentation apparatus, a transmitter attached to a tire and configured to transmit tire ID information for identifying the tire, and a database configured to store tire ID information of tires which are genuine products, and the information presentation apparatus includes a reader configured to perform near field communication with the transmitter, to acquire the tire ID information transmitted by the transmitter, and a controller configured to cause an information presenter to present information indicating that the tire identified with the tire ID information is a genuine product in a case where the tire ID information is stored in the database, and/or cause the information presenter to present information indicating that the tire identified with the tire ID information is a counterfeit product in a case where the tire ID information is not stored in the database.Type: GrantFiled: September 12, 2018Date of Patent: March 29, 2022Assignee: BRIDGESTONE CORPORATIONInventors: Jun Watanabe, Shin Sukegawa, Takayuki Ohara, Kenji Matsuo, Kotaro Yamada, Satoshi Hirajima, Suguru Yamaguchi
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Patent number: 11186254Abstract: A tire theft monitoring system includes a transmitter attached to a tire and configured to transmit tire ID information, a second database configured to store the vehicle ID information of the vehicle and contact information of an owner of the vehicle in association with each other, and a monitoring apparatus mounted on a vehicle to be monitored, and the monitoring apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on the vehicle to be monitored, to acquire the tire ID information, and a controller configured to, in a case where the reader cannot acquire the tire ID information, determine that the tire identified with the tire ID information has been stolen and make a notification to contact information stored in the second database in association with vehicle ID information of the vehicle to be monitored.Type: GrantFiled: September 12, 2018Date of Patent: November 30, 2021Assignee: BRIDGESTONE CORPORATIONInventors: Jun Watanabe, Shin Sukegawa, Takayuki Ohara, Kenji Matsuo, Kotaro Yamada, Satoshi Hirajima, Suguru Yamaguchi
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Patent number: 11083757Abstract: A cognitive decline inhibitor or a learning ability improver is provided, which comprises, as an active ingredient, a liver hydrolysate having a lipid content of less than 2 mass % or a phosphatidylcholine content of less than 1 mass %.Type: GrantFiled: October 27, 2017Date of Patent: August 10, 2021Assignee: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Kotaro Yamada, Hidetomo Sakurai, Osamu Nakagawasai, Koichi Tanno
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Publication number: 20210207593Abstract: To manufacture a diaphragm pump with higher reliability in which the mechanism of a main valve is simplified without a pilot chamber.Type: ApplicationFiled: May 23, 2019Publication date: July 8, 2021Applicant: YAMADA CORPORATIONInventors: Kotaro YAMADA, Satoru SUWABE
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Patent number: D952692Type: GrantFiled: June 17, 2020Date of Patent: May 24, 2022Assignee: YAMADA CORPORATIONInventors: Daisuke Iwai, Kotaro Yamada