Patents by Inventor Takeshi Tsuchiya

Takeshi 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).

  • Patent number: 10995756
    Abstract: Provided is an air compressor which helps to attain a proper discharge air temperature and which is superior in energy saving property.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: May 4, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Masanao Kotani, Takeshi Tsuchiya, Ryoji Kawai, Kotaro Chiba, Minako Kanada, Sachio Sekiya
  • Patent number: 10920760
    Abstract: An oil—cooled air compressor is provided with: an oil—cooled air compressor for compressing sucked-in air and discharging the compressed air; an oil separator for separating the compressed air and lubricating oil, which are discharged from the air compressor body; an oil cooler for cooling, by outside air, lubricating oil discharged from the oil separator; oil supply pipe passage for supplying lubricating oil, which is discharged from the oil cooler, to a bearing of the air compressor body and to an intermediate section in the process of compression by the air compressor; and an after-cooler for cooling, by outside air, air discharged from the oil separator. The oil-cooled air compressor in which the air compressor, the oil separator, the oil cooler, and the after-cooler are connected to supply high-pressure air to the outside of the compressor is provided with a vapor compression type refrigeration cycle.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: February 16, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Masanao Kotani, Takeshi Tsuchiya, Ryoji Kawai, Sachio Sekiya
  • Patent number: 10898098
    Abstract: A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: January 26, 2021
    Assignees: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, Takeshi TSUCHIYA, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Takashi Ashihara, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
  • Publication number: 20210005091
    Abstract: There is provided a flight management system for managing a flight plan of flying objects that fly among ports.
    Type: Application
    Filed: February 27, 2018
    Publication date: January 7, 2021
    Inventors: Christopher Thomas RAABE, Shinji SUZUKI, Takeshi TSUCHIYA, Masayuki KUMADA, Kazuya SAKAI, Takashi MATSUO, Tsuyoshi CHIBA
  • Publication number: 20200378385
    Abstract: A screw compressor includes: a screw rotor including a rotor section and a shaft section; a casing having a shaft hole through which the shaft section is inserted, the casing housing the screw rotor; and a delivery side shaft sealing unit configured to seal a clearance between the shaft section and the shaft hole against leakage of a working fluid. The delivery side shaft sealing unit includes an annular groove provided in the shaft section, a seal ring disposed movably in an axial direction of the shaft section within the annular groove, the seal ring being capable of sliding contact with the shaft hole and a side wall surface of the annular groove, and a shaft sealing fluid supply passage communicating with the shaft hole and supplying a fluid to one side, in an axial direction, of the seal ring.
    Type: Application
    Filed: February 21, 2018
    Publication date: December 3, 2020
    Inventors: Kotaro CHIBA, Masahiko TAKANO, Kenji MORITA, Yoshitaka TAKEUCHI, Takeshi TSUCHIYA
  • Publication number: 20200247467
    Abstract: A work vehicle includes a bypass passage formed in an operational valve of a dump cylinder and configured to feed pressure oil from a hydraulic pump to a power steering device when the operational valve is under a neutral state and an oil feeding passage equipped with an orifice, the orifice-equipped oil feeding passage being configured to feed the pressure oil from the hydraulic pump to a rod side oil chamber of the dump cylinder when the operational valve is under the neutral state.
    Type: Application
    Filed: November 25, 2019
    Publication date: August 6, 2020
    Inventors: Masaru Nakaji, Takeshi Tsuchiya
  • Publication number: 20200221964
    Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, Takeshi TSUCHIYA, NATIONAL CERERAL AND CARDIOVASCULAR CENTER
    Inventors: Takashi ASHIHARA, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
  • Patent number: 10624555
    Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: April 21, 2020
    Assignees: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Takashi Ashihara, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
  • Patent number: 10514037
    Abstract: There is provided a liquid feeding type screw compressor that can reduce size and weight and improve vibration insulation and sound insulation. A liquid feeding type screw compressor includes as components: a compressor main body; a motor driving the compressor main body; and a gas-liquid separator separating a liquid from a compressed air discharged from the compressor main body. The motor is arranged above the compressor main body. The gas-liquid separator is arranged below the compressor main body. A compressor main body casing constituting an inner cylindrical space forming a compression operation chamber together with the screw rotor and constituting the contour of the compressor main body and a casing constituting the contour of another component consist of an integrally molded single member.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: December 24, 2019
    Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Kosuke Sadakata, Hitoshi Nishimura, Toshikazu Harashima, Kentaro Yamamoto, Takeshi Tsuchiya, Kotaro Chiba
  • Publication number: 20190331115
    Abstract: A screw compressor that enhances performance of a compressor main unit and a motor is provided. The screw compressor includes an oil-injected compressor main unit that compresses air with injecting oil in a compression chamber and an axial-gap motor that drives the compressor main unit. A male rotor of the compressor main unit has a suction-side shaft portion connected coaxially with a rotor shaft of the motor. The screw compressor further includes a suction-side bearing that rotatably supports the suction-side shaft portion of the male rotor. The suction-side bearing restricts axial movement of the suction-side shaft portion and bears a radial load and axial loads in both directions.
    Type: Application
    Filed: July 4, 2016
    Publication date: October 31, 2019
    Inventors: Toshikazu HARASHIMA, Hitoshi NISHIMURA, Takeshi TSUCHIYA, Kosuke SADAKATA, Masahiko TAKANO
  • Patent number: 10442288
    Abstract: A fuel tank for a work vehicle is disclosed. The fuel tank includes a tank body, an oil filling cylindrical portion protruding from the tank body, and an oil filler cap detachably attached to the oil filling cylindrical portion for opening/closing an oil filling opening of the oil filling cylindrical portion, A cap body of the oil filler cap has a tubular portion to be detachably fitted on the oil filling cylindrical portion and a lid portion formed at an upper end portion of the tubular portion for opening/closing the oil filling opening. A skirt portion extends from the cap body to opposite side to the lid portion relative to the tubular portion, a diameter of an extending end portion of the skirt portion being larger than a diameter of the tubular portion of the cap body.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: October 15, 2019
    Assignee: Kubota Corporation
    Inventors: Koji Nada, Takeshi Tsuchiya, Kazuyuki Tashiro, Hiroki Bessho
  • Publication number: 20190263254
    Abstract: A fuel tank for a work vehicle is disclosed. The fuel tank includes a tank body, an oil filling cylindrical portion protruding from the tank body, and an oil filler cap detachably attached to the oil filling cylindrical portion for opening/closing an oil filling opening of the oil filling cylindrical portion, A cap body of the oil filler cap has a tubular portion to be detachably fitted on the oil filling cylindrical portion and a lid portion formed at an upper end portion of the tubular portion for opening/closing the oil filling opening. A skirt portion extends from the cap body to opposite side to the lid portion relative to the tubular portion, a diameter of an extending end portion of the skirt portion being larger than a diameter of the tubular portion of the cap body.
    Type: Application
    Filed: October 16, 2018
    Publication date: August 29, 2019
    Inventors: Koji Nada, Takeshi Tsuchiya, Kazuyuki Tashiro, Hiroki Bessho
  • Publication number: 20190242382
    Abstract: Provided is an air compressor which helps to attain a proper discharge air temperature and which is superior in energy saving property.
    Type: Application
    Filed: March 24, 2017
    Publication date: August 8, 2019
    Inventors: Masanao KOTANI, Takeshi TSUCHIYA, Ryoji KAWAI, Kotaro CHIBA, Minako KANADA, Sachio SEKIYA
  • Publication number: 20190170143
    Abstract: Provided is a fluid machine configured such that liquid supplied to a working chamber from the outside of the fluid machine is dispersed extensively in the working chamber. This fluid machine is constituted of a screw rotor and a casing for accommodating the screw rotor and is provided with a liquid supply section for supplying liquid into a working chamber from the outside. The liquid supply section is configured so that liquid is dispersed in the longitudinal direction of the tooth groove of the screw rotor rather than in the width direction thereof.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 6, 2019
    Inventors: Kotaro CHIBA, Masahiko TAKANO, Toshikazu HARASHIMA, Kosuke SADAKATA, Kentaro YAMAMOTO, Takeshi TSUCHIYA, Masanao KOTANI, Ryoji KAWAI, Minako KANADA
  • Publication number: 20190136843
    Abstract: Provided is an air compressor improved in terms of reliability by taking into consideration of the condensation of the water vapor in the compressed air.
    Type: Application
    Filed: June 10, 2016
    Publication date: May 9, 2019
    Inventors: Ryoji KAWAI, Masanao KOTANI, Takeshi TSUCHIYA, Kohtaro CHIBA, Minako KANADA
  • Publication number: 20190128264
    Abstract: The objective of the present invention is to reduce loss factors that occur inside an oil-cooled screw compressor and to improve energy efficiency. In oil-cooled screw compressors, compression is carried out by reducing the volume of an operation chamber in which a gas to be compressed and an oil are mixed and contained, and when a predetermined rise in pressure is complete, a discharge port opens and the gas to be compressed and the oil are discharged. In the operation chamber, the reduction in volume continues and reaches zero, such that the operation chamber disappears, and the opening area of the discharge port also gradually decreases. Immediately before the operation chamber disappears, the ratio of the oil within the operation chamber is high and the opening area of the discharge port is small. Therefore, the discharge resistance increases and the internal pressure dramatically rises, and this has led to increases in the torque rotating the rotor.
    Type: Application
    Filed: March 30, 2017
    Publication date: May 2, 2019
    Inventors: Hirotaka KAMEYA, Hideharu TANAKA, Masahiko TAKANO, Takeshi TSUCHIYA
  • Patent number: 10267396
    Abstract: A heavy-weight object such as a motor is installed separately from a movable portion to reduce the weight of the movable portion. The invention includes a support unit, a movable unit to which equipment is attached, and a drive unit interposed between the support unit and the movable unit. The movable unit has a first rotating member rotatably attached to the support unit about a first rotation axis line and a second rotating member rotatably attached to the first rotating member about a second rotation axis line orthogonal to the first rotation axis line. The support unit is provided with paired first brackets positioned so as to sandwich the first rotating member, and these first brackets are each provided with a first shaft configuring the first rotation axis line.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: April 23, 2019
    Assignees: The University of Tokyo, Blue Innovation Co., Ltd.
    Inventors: Christopher Thomas Raabe, Shinji Suzuki, Takeshi Tsuchiya, Takayuki Kumada, Makoto Shibasaki
  • Publication number: 20190076041
    Abstract: A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.
    Type: Application
    Filed: March 14, 2017
    Publication date: March 14, 2019
    Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Takashi ASHIHARA, Koji TAKIZAWA, Tatsuo NISHIHARA, Nobuhiro SUZUKI, Yuuho IWANAGA, Akio OTA, Takeshi TSUCHIYA, Kazuo NAKAZAWA, Shin INADA
  • Publication number: 20190024651
    Abstract: An oil—cooled air compressor is provided with: an oil—cooled air compressor for compressing sucked-in air and discharging the compressed air; an oil separator for separating the compressed air and lubricating oil, which are discharged from the air compressor body; an oil cooler for cooling, by outside air, lubricating oil discharged from the oil separator; oil supply pipe passage for supplying lubricating oil, which is discharged from the oil cooler, to a bearing of the air compressor body and to an intermediate section in the process of compression by the air compressor; and an after-cooler for cooling, by outside air, air discharged from the oil separator. The oil-cooled air compressor in which the air compressor, the oil separator, the oil cooler, and the after-cooler are connected to supply high-pressure air to the outside of the compressor is provided with a vapor compression type refrigeration cycle.
    Type: Application
    Filed: October 19, 2016
    Publication date: January 24, 2019
    Inventors: Masanao KOTANI, Takeshi TSUCHIYA, Ryoji KAWAI, Sachio SEKIYA
  • Patent number: 10145374
    Abstract: A slide valve forming a part of a bore and movable in an axial direction of the rotors, foot sections on a discharge side end face of the slide valve, and discharge ports and on a discharge chamber side of the slide valve in order to discharge compressed gas taken into a compression operation chamber from the suction chamber and compressed. At a discharge side end portion of the slide valve, first discharge channels and lead the compressed gas discharged from the discharge port and lead the compressed gas to the discharge chamber and second discharge channels are provided on a radial direction outer side of the first discharge channel and opened to the first discharge channels and the discharge chamber to lead a part of the compressed gas flowing in the first discharge channels and feed the part of the compressed gas to the discharge chamber.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: December 4, 2018
    Assignee: Hitachi-Johnson Controls Air Conditioning, Inc.
    Inventors: Ryuichiro Yonemoto, Takeshi Tsuchiya, Eisuke Kato, Kotaro Chiba, Yasuaki Iizuka