Patents by Inventor Jiro Kato
Jiro Kato 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: 10702352Abstract: An operating portion which allows a bending treatment instrument to be inserted into an endoscope channel and bendably operated smoothly through intuition. The operating portion is connected with a device wire and bending wires and used to operate the treatment instrument and bend a freely bendable, bending treatment instrument, where the device wire is connected to a treatment instrument provided at a distal end of the bending treatment instrument and is used to operate the treatment instrument and the plurality of bending wires is used to bend the bending treatment instrument, the operating portion including: an operating portion body; a guide unit penetrated by the device wire; a bending wire pulling unit connected with the bending wires and swingably assembled onto the guide unit; and a grip portion connected with the device wire and configured to be reciprocable in an axial direction of the bending wire pulling unit.Type: GrantFiled: April 15, 2015Date of Patent: July 7, 2020Assignees: Kyushu University, National University Corporation, HOGY MEDICAL CO., LTD.Inventors: Ryu Nakadate, Hajime Kenmotsu, Makoto Hashizume, Hiroyasu Fujita, Shunsuke Nagai, Jiro Kato
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Publication number: 20200179882Abstract: A jet injection device that incorporates nanobubbles (ultrafine bubbles) in a mist includes: a two-fluid nozzle configured from a circular nozzle outer cylinder and an air connection tube integrally and perpendicularly connected to the nozzle outer cylinder; a nanobubble generation device that supplies the nozzle outer cylinder of the two-fluid nozzle with high-pressure nanobubble water; and a compressor that supplies the air connection tube of the two-fluid nozzle with high-pressure air. The gas-injected bubble water generated from the nanobubble generation device is pressure-fed to the nozzle outer cylinder of the two-fluid nozzle, and compressed air from the compressor is pressure-fed to the air connection tube of the two-fluid nozzle. In the two-fluid nozzle, the high-pressure gas-injected bubble water and the compressed air serve as a gas-liquid fluid mixture, and are injected at a high speed in mist form from a nozzle cylinder of the two-fluid nozzle.Type: ApplicationFiled: April 20, 2018Publication date: June 11, 2020Applicant: LEFRAN CO. LTD.Inventor: Jiro KATO
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Patent number: 10598074Abstract: Provided is an exhaust device connected to an engine body. The exhaust device includes a plurality of independent exhaust pipes, each of which has a circular cross section, and which are connected to exhaust ports of cylinders of the engine body; and a mixing pipe having a circular cross section, connected to downstream ends of the independent exhaust pipes, and through which exhaust gas that has passed through the independent exhaust pipes flows in. The independent exhaust pipes are connected to an upstream end of the mixing pipe in such a manner that parts of internal spaces of the circular cross sections overlap each other in a predetermined section from the downstream ends of the independent exhaust pipes toward upstream, and a ratio of overlapping portions of the circular cross sections gradually increases from upstream toward downstream.Type: GrantFiled: November 9, 2016Date of Patent: March 24, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Jiro Kato, Tatsuya Koga, Shinji Sumi, Haruna Yanagida, Norihisa Murata
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Publication number: 20200049110Abstract: Intake ports include a second port configured such that a flow rate of flowing gas is adjusted via a swirl control valve. When a surge tank is viewed in a cylinder axis direction, first and second branched passages are connected with a space being interposed therebetween in a cylinder array direction, and are connected to the surge tank on extension lines, each of which extends from an upstream end portion of an independent passage connected to the second port to an opposite side of each cylinder.Type: ApplicationFiled: February 20, 2018Publication date: February 13, 2020Inventors: Jiro Kato, Mitsunori Wasada, Masayoshi Higashio, Kensuke Ashikaga, Kazuhiro Nakamura, Yuji Kojima, Hidesaku Ebesu, Tatsuya Koga, Toshihiko Hirata
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Publication number: 20190269478Abstract: A fixing stand to which an endoscope body and treatment instruments can be easily attached in an easy-to-operate manner and which facilitates increase or decrease in the number of such items is provided. A fixing stand includes legs and a fixing stand body erected on the legs, the fixing stand allowing at least one or more of an endoscope body of an endoscope and an operation input portion of a treatment instrument for use in a surgery to be attached to the fixing stand in a detachable manner. The endoscope body and the operation input portion are attached to fixtures which are disposed side by side substantially horizontally to the direction in which the fixing stand is erected. The fixtures are detachably attached to a fixing base which extends substantially horizontally to the fixing stand body. A hanger component is further attached to the fixing base.Type: ApplicationFiled: August 25, 2017Publication date: September 5, 2019Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, HOGY MEDICAL CO., LTD.Inventors: Ryu NAKADATE, Makoto HASHIZUME, Shunsuke NAGAI, Hiroyasu FUJITA, Jiro KATO
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Publication number: 20190269306Abstract: A fixing device for an endoscope that allows easy detachment of the endoscope from an endoscope holder even with the endoscope kept inserted in a body cavity is provided. A fixing device for fixing an endoscope capable of observing an operative site in a body cavity using an endoscope having an insertion portion to be inserted into the body cavity and an endoscope body attached at an end of the insertion portion. The fixing device includes a holder body which is attached to a fixing stand placed on a floor and holds the endoscope body in a rotatable manner. The holder body includes a detaching mechanism that allows the endoscope body to be detached from the holder body while keeping the insertion portion inserted in the body cavity.Type: ApplicationFiled: August 25, 2017Publication date: September 5, 2019Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, HOGY MEDICAL CO., LTD.Inventors: Ryu NAKADATE, Makoto HASHIZUME, Shunsuke NAGAI, Hiroyasu FUJITA, Jiro KATO
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Publication number: 20190229420Abstract: An IC tag reading device is provided that has increased directivity and is capable of determining an accurate position of an IC tag inserted into and placed in a human body even when the operation range of the antenna of the reading device is limited, such as in thoracoscopy, without causing reduction in detectable distance. A reading device antenna for reading an IC tag that has been inserted into a human body and placed at a certain position in order to locate a lesion includes a coil portion having a coil with a predetermined number of turns in a circumferential direction, and a shield portion that covers at least an approximately half of the coil portion in the circumferential direction and causes a bias in a magnetic flux generated from the coil.Type: ApplicationFiled: September 8, 2017Publication date: July 25, 2019Applicants: KYOTO UNIVERSITY, HOGY MEDICAL CO., LTD., WELCAT INC.Inventors: Toshihiko SATO, Yojiro YUTAKA, Koichi MATSUSHITA, Jiro KATO, Kaoru NAYUKI
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Publication number: 20190057406Abstract: An analysis method to be performed by a computer, the computer holding information indicating attributes assigned to each of products, information indicating attributes assigned to each of stores, and information indicating sales of individual products at each store, and the analysis method comprising: a step of summing up the sales of the individual products at each store; a step of replacing sales of a first product at a first store with potential sales higher than the sales of the first product at the first store in a case where an attribute assigned to the first store corresponds to an attribute assigned to the first product and sales of the first product at some store assigned the attribute is higher than the sales of the first product at the first store; and a step of outputting information indicating sales ranks of the individual products at the first store after the replacement.Type: ApplicationFiled: September 21, 2016Publication date: February 21, 2019Inventors: Shouta INOUE, Jiro KATO
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Publication number: 20180340496Abstract: The present disclosure aims to stabilize, in an engine with a supercharger, a detection result of an intake air temperature sensor interposed between the supercharger and an intercooler. A gas outlet of a supercharger and a gas inlet of an intercooler are connected together via a second passage. The second passage includes, in its middle position, a narrow region with a smaller cross-sectional area than the part of the second passage extending from an upstream end of the second passage to the middle position. The narrow region is provided with the intake air temperature sensor configured to detect the gas temperature in the narrow region.Type: ApplicationFiled: May 22, 2018Publication date: November 29, 2018Inventors: Jiro Kato, Mitsunori Wasada, Hidesaku Ebesu, Toshihiko Hirata, Tatsuya Koga, Shuhei Tsujita
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Publication number: 20180266302Abstract: Provided is an exhaust device connected to an engine body. The exhaust device includes a plurality of independent exhaust pipes, each of which has a circular cross section, and which are connected to exhaust ports of cylinders of the engine body; and a mixing pipe having a circular cross section, connected to downstream ends of the independent exhaust pipes, and through which exhaust gas that has passed through the independent exhaust pipes flows in. The independent exhaust pipes are connected to an upstream end of the mixing pipe in such a manner that parts of internal spaces of the circular cross sections overlap each other in a predetermined section from the downstream ends of the independent exhaust pipes toward upstream, and a ratio of overlapping portions of the circular cross sections gradually increases from upstream toward downstream.Type: ApplicationFiled: November 9, 2016Publication date: September 20, 2018Applicant: MAZDA MOTOR CORPORATIONInventors: Jiro KATO, Tatsuya KOGA, Shinji SUMI, Haruna YANAGIDA, Norihisa MURATA
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Patent number: 10059101Abstract: A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to correspond to the pressure generating chamber, and a second electrode that is formed on a surface of the piezoelectric layer opposite to the side on which the first electrode is formed so as to extend over a plurality of the pressure generating chambers, wherein the second electrode is formed to extend to an outside of the pressure generating chamber in a longitudinal direction of the pressure generating chamber.Type: GrantFiled: October 18, 2016Date of Patent: August 28, 2018Assignee: Seiko Epson CorporationInventors: Eiju Hirai, Shiro Yazaki, Koji Sumi, Motoki Takabe, Jiro Kato, Hiroshi Ito, Toshihiro Shimizu, Takahiro Kamijo, Tatsuro Torimoto, Chikara Kojima
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Publication number: 20180161559Abstract: An applicator with a liquid medicine where even when an accidental external pressure is applied during transport or storage, there is no possibility that a liquid medicine storage member is opened and a liquid medicine is impregnated into an applying member so that the liquid medicine can be reliably held but, at the same time, the liquid medicine can be easily impregnated into the applying member when necessary. The applicator with a liquid medicine includes a storage member for storing an applying member, the storage member includes: a bottom film in which the applying member is stored; and a top film which closes the bottom film thus storing the applying member and a liquid medicine storage member, in which the liquid medicine is sealed, in the storage member, and the bottom film has an air chamber capable of storing at least the applying portion and a predetermined amount of air.Type: ApplicationFiled: June 8, 2016Publication date: June 14, 2018Applicant: HOGY MEDICAL CO., LTD.Inventors: Kazuo SEI, Jiro KATO, Shiro RIKITAKE, Shinichi YAMAKAWA
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Publication number: 20180078247Abstract: A hinge member of a bending treatment instrument in an endoscope channel and used bendably and capable of withstanding loads from grasping and resection motions of treatment instruments and a bending treatment instrument that uses the hinge member. Tubular hinge members arranged in a row substantially coaxially with one another make up the instrument and a hinge member includes: two recesses on edges of an end face on a proximal side in an axial direction; and two projections on an edge of an end face on a distal side shifted 90 degrees in a circumferential direction from the recess and facing each other in radial direction, wherein a bending-wire passage hole penetrating the hinge member in the axial direction is at a position avoiding the projections on the end face on the distal side, and a device-wire passage hole penetrating an axial center portion.Type: ApplicationFiled: April 15, 2015Publication date: March 22, 2018Applicants: Kyushu University, National University Corporation, HOGY MEDICAL CO., LTD.Inventors: Ryu NAKADATE, Hajime KENMOTSU, Makoto HASHIZUME, Hiroyasu FUJITA, Shunsuke NAGAI, Jiro KATO
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Publication number: 20180078323Abstract: An operating portion which allows a bending treatment instrument to be inserted into an endoscope channel and bendably operated smoothly through intuition. The operating portion is connected with a device wire and bending wires and used to operate the treatment instrument and bend a freely bendable, bending treatment instrument, where the device wire is connected to a treatment instrument provided at a distal end of the bending treatment instrument and is used to operate the treatment instrument and the plurality of bending wires is used to bend the bending treatment instrument, the operating portion including: an operating portion body; a guide unit penetrated by the device wire; a bending wire pulling unit connected with the bending wires and swingably assembled onto the guide unit; and a grip portion connected with the device wire and configured to be reciprocable in an axial direction of the bending wire pulling unit.Type: ApplicationFiled: April 15, 2015Publication date: March 22, 2018Applicants: Kyushu University, National University Corporation, HOGY MEDICAL CO., LTD.Inventors: Ryu NAKADATE, Hajime KENMOTSU, Makoto HASHIZUME, Hiroyasu FUJITA, Shunsuke NAGAI, Jiro KATO
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Publication number: 20170325876Abstract: To provide a treatment instrument that combines a capability to grip a target tissue and a capability to resect and ablate the target tissue without the need to interchange left and right devices or adjust a field of view of an endoscope, which can reduce burden on a surgeon. A high frequency forceps includes a pair of forceps pieces configured to open and close on a pivot and equipped with incision blades adapted to pass a high-frequency current to a living tissue, in which the incision blades are formed, respectively, on opposite faces of the pair of forceps pieces, extending from a side of the pivot to a distal side; and the incision blades are spaced away from each other when the pair of forceps pieces is closed.Type: ApplicationFiled: November 9, 2015Publication date: November 16, 2017Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, HOGY MEDICAL CO., LTD.Inventors: Ryu NAKADATE, Makoto HASHIZUME, Shunsuke NAGAI, Hiroyasu FUJITA, Jiro KATO
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Patent number: 9804177Abstract: A stimulus-responsive gel material includes: a polymeric material containing as constituent components, a first monomer having a chemical structure represented by the following formula (1) and a second monomer having higher hydrophobicity than the first monomer; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the wavelength of a reflected light from the material changes according to the concentration of salt to come in contact with the material. In the formula (1), R is a substituent containing at least a carbon atom and a hydrogen atom, and when the number of carbon atoms in R is denoted by n and the number of oxygen atoms in R is denoted by m, n-m is an integer of 3 or more.Type: GrantFiled: February 11, 2015Date of Patent: October 31, 2017Assignee: Seiko Epson CorporationInventors: Satomi Yoshioka, Hiroshi Yagi, Jiro Kato
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Publication number: 20170290632Abstract: A medical robot cover covers an external surface of a medical robot including: a main unit that stands on a base; and an arm member attached to one end of the main unit in a swingable or extensible manner. The medical robot cover includes: an attaching portion to be wound around at least one of the main unit and the arm member, on an inner circumferential surface of the cover facing the external surface of the medical robot. Therefore, the medical robot cover can be easily placed on the medical robot. Further, the medical robot cover can be restricted from being damaged due to extension or swinging of the arm member, and can be restricted from inhibiting the action of the arm member.Type: ApplicationFiled: September 8, 2015Publication date: October 12, 2017Inventors: Ayako NAKATSU, Hiroyuki HOJO, Jiro KATO, Hideki OKUDA, Satoru NAKAMURA, Minoru TAKAHASHI
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Patent number: 9611777Abstract: An exhaust device of a multi-cylinder engine which controls local introduction of exhaust gas to a catalyst device and a variation between cylinders of introduction positions of the exhaust gas to the catalyst device is provided. The exhaust device is arranged so that the cylinders extend in a vehicle width direction at a vehicle front part, and an exhaust line is arranged so as to extend rearward from a rear of the engine, wherein, in sequence from an upstream side of an exhaust gas flow, four independent exhaust pipes corresponding to the cylinders, collecting pipes which collect all independent exhaust pipes, and the catalyst device are provided. The single exhaust pipe includes two bending parts and a downstream part thereof is connected so that the exhaust gas is introduced from a direction that is diagonally lateral to an inlet part of the catalyst device.Type: GrantFiled: August 12, 2015Date of Patent: April 4, 2017Assignee: Mazda Motor CorporationInventors: Jiro Kato, Tatsuya Koga, Shinji Sumi, Haruna Yanagida, Norihisa Murata
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Publication number: 20170036446Abstract: A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to correspond to the pressure generating chamber, and a second electrode that is formed on a surface of the piezoelectric layer opposite to the side on which the first electrode is formed so as to extend over a plurality of the pressure generating chambers, wherein the second electrode is formed to extend to an outside of the pressure generating chamber in a longitudinal direction of the pressure generating chamber.Type: ApplicationFiled: October 18, 2016Publication date: February 9, 2017Inventors: Eiju HIRAI, Shiro YAZAKI, Koji SUMI, Motoki TAKABE, Jiro KATO, Hiroshi ITO, Toshihiro SHIMIZU, Takahiro KAMIJO, Tatsuro TORIMOTO, Chikara KOJIMA
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Patent number: 9498952Abstract: A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to correspond to the pressure generating chamber, and a second electrode that is formed on a surface of the piezoelectric layer opposite to the side on which the first electrode is formed so as to extend over a plurality of the pressure generating chambers, wherein the second electrode is formed to extend to an outside of the pressure generating chamber in a longitudinal direction of the pressure generating chamber.Type: GrantFiled: November 16, 2015Date of Patent: November 22, 2016Assignee: Seiko Epson CorporationInventors: Eiju Hirai, Shiro Yazaki, Koji Sumi, Motoki Takabe, Jiro Kato, Hiroshi Ito, Toshihiro Shimizu, Takahiro Kamijo, Tatsuro Torimoto, Chikara Kojima