Patents by Inventor Akira Tsuchiya
Akira Tsuchiya 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: 20230093764Abstract: A medical honeycomb structure lacking at least a portion of an outer peripheral side wall of a honeycomb structure that includes a plurality of through-holes extending in one direction, wherein sites lacking the outer peripheral side wall have a plurality of grooves, and have a plurality of planes including distant surfaces of groove side walls flanked by the grooves.Type: ApplicationFiled: March 5, 2021Publication date: March 23, 2023Applicants: Kunio ISHIKAWA, GC CorporationInventors: Kunio ISHIKAWA, Koichiro HAYASHI, Akira TSUCHIYA, Ryo KISHIDA, Yasuharu NAKASHIMA
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Patent number: 11542367Abstract: A medical polymer material in which a phosphate group having a C—O—P chemical bond including elemental C in a main chain of a structural formula is present on a surface of a polymer material substantially free of phosphate and hydroxy groups except for ends in the structural formula.Type: GrantFiled: May 16, 2018Date of Patent: January 3, 2023Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio Ishikawa, Kanji Tsuru, Akira Tsuchiya, Yuki Sugiura, Yasuharu Nakashima
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Patent number: 11433763Abstract: An evaporated fuel treatment apparatus includes a main canister containing an adsorbent that is capable of adsorbing and desorbing evaporated fuel generated in a fuel tank; a sub-canister connected to the main canister, the sub-canister containing an additional adsorbent that is capable of adsorbing and desorbing evaporated fuel contained in an exhaust discharged from the main canister; and a connection pipe that connects the main canister and the sub-canister. The connection pipe includes a first portion that is located near a muffler, and a second portion which is a portion other than the first portion, the second portion being located apart from an exhaust pipe and located below the first portion in the vertical direction with respect to the vehicle.Type: GrantFiled: August 25, 2020Date of Patent: September 6, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Akira Tsuchiya
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Publication number: 20220117741Abstract: A medical use honeycomb structure having a plurality of through-holes extending in one direction, wherein an outer peripheral section of the medical use honeycomb structure has a through-hole groove formed by incomplete side walls of the through-hole, and a through-hole inlet adjacent to the through-hole groove.Type: ApplicationFiled: December 16, 2021Publication date: April 21, 2022Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio ISHIKAWA, Kanji TSURU, Akira TSUCHIYA, Yuki SUGIURA, Yasuharu NAKASHIMA
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Patent number: 11246708Abstract: A medical use honeycomb structure having a plurality of through-holes extending in one direction, wherein an outer peripheral section of the medical use honeycomb structure has a through-hole groove formed by incomplete side walls of the through-hole, and a through-hole inlet adjacent to the through-hole groove.Type: GrantFiled: October 16, 2017Date of Patent: February 15, 2022Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio Ishikawa, Kanji Tsuru, Akira Tsuchiya, Yuki Sugiura, Yasuharu Nakashima
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Patent number: 11167060Abstract: To provide a method for producing a calcium carbonate block for medical use which is useful as a bone substitute or a bone substitute raw material needed in medical care, which is a method for producing a calcium carbonate block that satisfies the following desired properties: 1) the calcium carbonate block has excellent mechanical strength; 2) the calcium carbonate block can be produced by a simplified production method; 3) the calcium carbonate block contains no impurity; and 4) the calcium carbonate block has high reactivity. A method for producing a calcium carbonate block, comprising a step of shaping a water-containing calcium hydroxide block and a carbonation step of immersing the calcium hydroxide block in a carbonate ion-containing aqueous solution.Type: GrantFiled: March 15, 2018Date of Patent: November 9, 2021Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio Ishikawa, Kanji Tsuru, Akira Tsuchiya, Yuki Sugiura, Noriko Tanaka, Yasuharu Nakashima
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Publication number: 20210061089Abstract: An evaporated fuel treatment apparatus includes a main canister containing an adsorbent that is capable of adsorbing and desorbing evaporated fuel generated in a fuel tank; a sub-canister connected to the main canister, the sub-canister containing an additional adsorbent that is capable of adsorbing and desorbing evaporated fuel contained in an exhaust discharged from the main canister; and a connection pipe that connects the main canister and the sub-canister. The connection pipe includes a first portion that is located near a muffler, and a second portion which is a portion other than the first portion, the second portion being located apart from an exhaust pipe and located below the first portion in the vertical direction with respect to the vehicle.Type: ApplicationFiled: August 25, 2020Publication date: March 4, 2021Inventor: Akira Tsuchiya
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Publication number: 20200354521Abstract: A medical polymer material in which a phosphate group having a C—O—P chemical bond including elemental C in a main chain of a structural formula is present on a surface of a polymer material substantially free of phosphate and hydroxy groups except for ends in the structural formula.Type: ApplicationFiled: May 16, 2018Publication date: November 12, 2020Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio ISHIKAWA, Kanji TSURU, Akira TSUCHIYA, Yuki SUGIURA, Yasuharu NAKASHIMA
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Publication number: 20200093955Abstract: To provide a method for producing a calcium carbonate block for medical use which is useful as a bone substitute or a bone substitute raw material needed in medical care, which is a method for producing a calcium carbonate block that satisfies the following desired properties: 1) the calcium carbonate block has excellent mechanical strength; 2) the calcium carbonate block can be produced by a simplified production method; 3) the calcium carbonate block contains no impurity; and 4) the calcium carbonate block has high reactivity. A method for producing a calcium carbonate block, comprising a step of shaping a water-containing calcium hydroxide block and a carbonation step of immersing the calcium hydroxide block in a carbonate ion-containing aqueous solution.Type: ApplicationFiled: March 15, 2018Publication date: March 26, 2020Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio ISHIKAWA, Kanji TSURU, Akira TSUCHIYA, Yuki SUGIURA, Noriko TANAKA, Yasuharu NAKASHIMA
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Publication number: 20200046503Abstract: A medical use honeycomb structure having a plurality of through-holes extending in one direction, wherein an outer peripheral section of the medical use honeycomb structure has a through-hole groove formed by incomplete side walls of the through-hole, and a through-hole inlet adjacent to the through-hole groove.Type: ApplicationFiled: October 16, 2017Publication date: February 13, 2020Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kunio ISHIKAWA, Kanji TSURU, Akira TSUCHIYA, Yuki SUGIURA, Yasuharu NAKASHIMA
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Patent number: 9082543Abstract: An inductor (1) includes an inductor (L11P) formed into the shape of a spiral on the outer circumference of an inductor region and having a start point connected to a terminal (N11P), an inductor (L12P) formed into the shape of a spiral on the inner circumference of the inductor region and having a start point at the end point of the inductor (L11P) and an end point connected to a terminal (N12P), and an inductor (L13P) formed into the shape of a spiral in a region sandwiched between the inductor (L11P) and the inductor (L12P) and having a start point at a node between the inductor (L11P) and the inductor (L12P) and an end point connected to a terminal (N13P).Type: GrantFiled: September 14, 2011Date of Patent: July 14, 2015Assignees: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, KYOTO UNIVERSITYInventors: Yusuke Ohtomo, Hiroaki Katsurai, Hidetoshi Onodera, Akira Tsuchiya
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Publication number: 20150035625Abstract: An inductor (1) includes an inductor (L11P) formed into the shape of a spiral on the outer circumference of an inductor region and having a start point connected to a terminal (N11P), an inductor (L12P) formed into the shape of a spiral on the inner circumference of the inductor region and having a start point at the end point of the inductor (L11P) and an end point connected to a terminal (N12P), and an inductor (L13P) formed into the shape of a spiral in a region sandwiched between the inductor (L11P) and the inductor (L12P) and having a start point at a node between the inductor (L11P) and the inductor (L12P) and an end point connected to a terminal (N13P).Type: ApplicationFiled: September 14, 2011Publication date: February 5, 2015Inventors: Yusuke Ohtomo, Hiroaki Katsurai, Hidetoshi Onodera, Akira Tsuchiya
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Patent number: 5434936Abstract: A first pair of optical fibers are held and fixed to a supporting member in a cantilever form, and oppositely connected to a second pair of the optical fibers that are fixed to a square hole of the alignment material. A magnetic body is adhered to each of the first pair of optical fibers. Around the magnetic bodies, there are aligned hollow solenoid coils, and one pair or two pairs of permanent magnets respectively are oppositely aligned so as to have opposite polarities to each other.Type: GrantFiled: September 15, 1994Date of Patent: July 18, 1995Assignees: Seiko Instruments Inc., Nippon Telegraph & Telephone CorporationInventors: Shinji Nagaoka, Yukiya Funanami, Nobuo Suzuki, Akira Tsuchiya, Seiichi Tanuma, Tomohiro Yoshikawa, Hideo Majima
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Patent number: 5363286Abstract: A high voltage generator comprises a transformer unit for boosting an inputted AC voltage and a rectifier unit for rectifying the AC voltage boosted by the transformer unit, the transformer unit and the rectifier unit being assembled as high voltage components, wherein the high voltage components are molded by a solid insulation material with the high voltage components being separated from each other by a predetermined distance to thereby form the high voltage components to a single block member. An electric conductive layer is formed on an outside surface of the block member. The high voltage generator is utilized for an X-ray generator and a DC high voltage output generated from the rectifier unit serves as a power supply for generating X-rays. A filament heating transformer is further disposed as a high voltage component for supplying an AC power for heating filaments of the X-ray tube.Type: GrantFiled: December 23, 1992Date of Patent: November 8, 1994Assignee: Kabushiki Kaisha ToshibaInventor: Akira Tsuchiya
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Patent number: 4710860Abstract: A bridge inverter arrangement for use with high-voltage generators for X-ray apparatus includes a single phase transformer having primary and secondary windings, a capacitor series-connected via a current-limiting resistor to the primary winding so as to constitute a series resonant circuit, a bridge inverter having series-connected thyristors for inverting DC low voltage into pulsating low voltage, and a switching controller for controlling turn-on times of the thyristors. A switching circuit is connected in parallel to the resistor. The switching circuit is controlled under the switching controller in response to switching signals for the thyristors so as to vary the value of the pulsating low voltage, thereby changing the value of high AC voltage induced at the secondary winding and reducing the ripple components contained therein.Type: GrantFiled: November 21, 1985Date of Patent: December 1, 1987Assignee: Kabushiki Kaisha ToshibaInventor: Akira Tsuchiya
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Patent number: 4700372Abstract: An X-ray generating apparatus is adapted to obtain an X-ray tube voltage by rectifying an incoming AC voltage to obtain a DC voltage, supplying the DC voltage, after being switched through a switching section, in a predetermined cycle to a resonance circuit comprised of a primary winding of a transformer and resonance capacitors and rectifying the AC voltage which is induced in the secondary winding of the transformer. The switching section comprises a three-phase bridge inverter circuit including parallel arrays of arms each of which is made up of a pair of switching elements. The switching section is so controlled that the switching elements in each respective arm are fired without being continuously turned ON. Each resonance capacitor is connected between an intermediate connection point of the respective arm of the switching section and the primary winding of the transformer.Type: GrantFiled: October 11, 1985Date of Patent: October 13, 1987Assignee: Kabushiki Kaisha ToshibaInventor: Akira Tsuchiya
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Patent number: 4670893Abstract: A DC voltage from a DC power source is supplied through a high speed switching device to a capacitor provided in the primary side of a transformer and a primary winding, thereby generating a high frequency signal at the primary winding of the transformer. A voltage between the first and the second output terminals of the transformer is applied between the anode and the filament of the X-ray tube as an X-ray tube voltage. Here, a system control device reads out a plurality of optimum switch control data for diagnostic items on the basis of various condition data from a subject information inputting device, and supplies them to the high speed switching device. The switching device varies the switching speed on the basis of the plurality of given switch control data, thereby instantaneously varying the value of the X-ray tube voltage.Type: GrantFiled: December 24, 1984Date of Patent: June 2, 1987Assignee: Kabushiki Kaisha ToshibaInventor: Akira Tsuchiya
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Patent number: 4653082Abstract: A high voltage generating device for an X-ray apparatus includes a DC output voltage control device for rectifying and smoothing a commercial AC power source voltage and a resonant circuit comprised of a series circuit of a capacitor and a primary winding of a transformer. The output DC voltage of the DC output voltage control device is supplied to the resonant circuit in a first direction or in a direction opposite to the first direction. The direction in which the voltage is applied to the resonant circuit is switched by a current switching means. Consequently, a high AC voltage is obtained through a secondary winding of the transformer. The AC voltage is converted by a rectifying/smoothing means to an X-ray tube voltage which is applied between an anode and a cathode filament of an X-ray tube. The DC output voltage control device permits its output voltage to be switched to an arbitrary level.Type: GrantFiled: December 28, 1984Date of Patent: March 24, 1987Assignee: Kabushiki Kaisha ToshibaInventor: Akira Tsuchiya
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Patent number: 4467561Abstract: A hydroponic plant growing device comprising a container adapted to hold a particulate growing medium and nutrient solution and at least one siphon generating means with inlet opening communicating with the interior of said container and outlet opening communicating with the exterior of said container, the vertical dimension of said siphon generating means being such that the uppermost edge is positioned below the maximum fluid level of said container so as to allow passage of liquid therethrough before the liquid within said container reaches the maximum level.Type: GrantFiled: March 2, 1983Date of Patent: August 28, 1984Inventor: Akira Tsuchiya