Patents by Inventor Eiji Matsuda
Eiji Matsuda 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: 20230016068Abstract: A bending section of an endoscope includes a first bending piece and a second bending piece in each of which a hole is formed, the first bending piece includes a first groove communicating with the hole and formed toward an outer side of a radial direction, the second bending piece is disposed adjacent to the first bending piece and includes a second groove formed from an outer circumference of the second bending piece toward the hole, and the wire is disposed in the first groove and the second groove.Type: ApplicationFiled: September 28, 2022Publication date: January 19, 2023Applicant: OLYMPUS CORPORATIONInventors: Eijiro SATO, Eiji MATSUDA, Ryo HASEGAWA, Takashi NARA
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Publication number: 20220125253Abstract: A clothes care device is provided. The clothes care device includes a collection box, a suction pipe, a washing cover, and a spray nozzle disposed inside the suction pipe and provided in such a way that an end of the spray nozzle faces a washing port, and the washing cover mounted to the washing port and provided to be pressed against clothes. By operating a washing water supply in a state in which the washing cover is pressed against the clothes by an operation of a suction device, the spray nozzle sprays washing water and the suction device suctions and collects the washing water.Type: ApplicationFiled: September 16, 2021Publication date: April 28, 2022Inventors: Eiji MATSUDA, Hiroki TAKITA, Koichi HOSOMI, Shigeki HAYASHI, Yasuo IKEDA
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Patent number: 11311180Abstract: An endoscope includes a bendable part having a first bendable portion, a second bendable portion, a flexible tube part, and an operation unit. An upward coil is attached at its distal end on the second bendable portion. A second coil is attached at its distal end on the flexible tube part and at its proximal end in the operation unit. An upward coil receiver is disposed in the operation unit with the upward coil being connected to the upward coil receiver. A selection member presses the upward coil receiver and compresses the upward coil. A bent length selection wire is connected to the selection member. A selection pulley is disposed in the operation unit and is configured to allow the upward coil receiver to advance or retract via the selection member. A cam plate having cam portions is formed to increase a frictional force with rotation of the selection pulley.Type: GrantFiled: October 26, 2018Date of Patent: April 26, 2022Assignee: OLYMPUS CORPORATIONInventor: Eiji Matsuda
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Patent number: 11122966Abstract: An endoscope according to one aspect of the present invention includes: an operation lever portion that is provided in an operation portion, includes an operation shaft, and is capable of adjusting a bending angle of a bending portion in conjunction with a tilting operation; and an exterior cover that is water-tightly fixed to the operation portion so as to cover an outer periphery of the operation shaft, and is formed in a stair shape in cross section, including a hardly deformed region and an easily deformed region that is formed at a predetermined angle with respect to the hardly deformed region.Type: GrantFiled: July 23, 2018Date of Patent: September 21, 2021Assignee: OLYMPUS CORPORATIONInventors: Takayasu Ito, Eiji Matsuda
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Publication number: 20190059700Abstract: An endoscope includes a bendable part having a first bendable portion, a second bendable portion, a flexible tube part, and an operation unit. An upward coil is attached at its distal end on the second bendable portion. A second coil is attached at its distal end on the flexible tube part and at its proximal end in the operation unit. An upward coil receiver is disposed in the operation unit with the upward coil being connected to the upward coil receiver. A selection member presses the upward coil receiver and compresses the upward coil. A bent length selection wire is connected to the selection member. A selection pulley is disposed in the operation unit and is configured to allow the upward coil receiver to advance or retract via the selection member. A cam plate having cam portions is formed to increase a frictional force with rotation of the selection pulley.Type: ApplicationFiled: October 26, 2018Publication date: February 28, 2019Applicant: Olympus CorporationInventor: Eiji Matsuda
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Publication number: 20180325355Abstract: An endoscope according to one aspect of the present invention includes: an operation lever portion that is provided in an operation portion, includes an operation shaft, and is capable of adjusting a bending angle of a bending portion in conjunction with a tilting operation; and an exterior cover that is water-tightly fixed to the operation portion so as to cover an outer periphery of the operation shaft, and is formed in a stair shape in cross section, including a hardly deformed region and an easily deformed region that is formed at a predetermined angle with respect to the hardly deformed region.Type: ApplicationFiled: July 23, 2018Publication date: November 15, 2018Applicant: OLYMPUS CORPORATIONInventors: Takayasu ITO, Eiji MATSUDA
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Publication number: 20170245738Abstract: A dividing wall member is provided inside a specific bending piece selected from a plurality of bending pieces, an internal space of the bending piece is divided by the dividing wall member into a first space that opens corresponding to one rotating shaft, of rotating shafts that form a left and right pair, and a second space that is larger than the first space and opens corresponding to another rotating shaft, of the rotating shafts that form a left and right pair, and rotating shafts that form an upper and lower pair, a signal cable is inserted as a first internal component inside a first space, and a pair of light guides and a treatment instrument insertion channel are inserted as second internal components inside the second space.Type: ApplicationFiled: May 17, 2017Publication date: August 31, 2017Applicant: OLYMPUS CORPORATIONInventors: Kiwamu FUJITANI, Keisuke HATANO, Takayasu ITO, Eiji MATSUDA
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Publication number: 20170086652Abstract: An endoscope insertion portion includes: a first bending portion disposed on a distal end side; a second bending portion connected to a proximal end of the first bending portion and provided with flexural rigidity higher than flexural rigidity of the first bending portion; a tubular member, a first tubular part of which on a distal end side disposed inside the first bending portion has a bending tendency in a predetermined direction and shape-memorized, and which is provided with a second tubular part on a proximal end side disposed inside the second bending portion; a first wire configured to move the first tubular part and independently bend only the first bending portion; and second wires configured to move the second tubular part and independently bend only the second bending portion.Type: ApplicationFiled: December 13, 2016Publication date: March 30, 2017Applicant: OLYMPUS CORPORATIONInventors: Sho NAKADE, Eiji MATSUDA
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Publication number: 20150230692Abstract: An electronic endoscope includes a plurality of small signal cables that extend from an image pickup unit and are inserted through and disposed in an inner space formed in an insertion portion, wherein the plurality of small signal cables are covered by a metal sheath and thereby brought together to form a single signal cable bundle and are arranged as the single signal cable bundle inside an endoscope cable as far as an operation portion, are arranged inside the operation portion in a state in which the metal sheath is stripped off therefrom inside the operation portion, and the plurality of small signal cables protruding from the metal sheath which is stripped off are arranged in a slackened state inside the operation portion.Type: ApplicationFiled: May 6, 2015Publication date: August 20, 2015Applicant: OLYMPUS CORPORATIONInventors: Eiji MATSUDA, Keisuke HATANO
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Patent number: 9076400Abstract: A memory-type liquid crystal display device includes transistors (N1, N2), retention electrodes (MRY), refresh output control sections (RS1), and capacitors (Cb1). In a data retention period, an electric potential of each of the retention electrodes (MRY) is changed via a corresponding one of the capacitors (Cb1) by changing an electric potential level of a retention capacitor wire signal that is supplied to a corresponding CS line (CSL(i)). Each of the refresh output control sections (RS1) receives the electric potential thus changed of a corresponding one of the retention electrodes (MRY) via the input section and controls an electric potential of a corresponding pixel electrode (PIX) in accordance with the electric potential thus changed.Type: GrantFiled: December 12, 2011Date of Patent: July 7, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Eiji Matsuda, Yasushi Sasaki, Yuhichiroh Murakami, Seijirou Gyouten, Shuji Nishi, Makoto Yokoyama
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Publication number: 20140284086Abstract: A vibration-proof material is obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber. The content ratio of a sulfur atom calculated based on the measurement result of a fluorescent X-ray measurement, based on mass, is 1000 ppm or less and the vibration-proof material has a Young's modulus at 23° C. of 6.0×105 Pa or less.Type: ApplicationFiled: March 12, 2014Publication date: September 25, 2014Applicant: NITTO DENKO CORPORATIONInventors: Takayuki IWASE, Bunta HIRAI, Eiji MATSUDA
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Patent number: 8827897Abstract: An endoscope includes a curving operation portion which performs a curving operation of a curving portion by rotating around a pivot shaft in a first rotation direction and in a second rotation direction opposite to the first rotation direction from a neutral position where the curving portion is in a non-curved neutral state, a first operation wire which is pulled by the curving operation in the curving operation portion to curve the curving portion in the second curving direction, and a second operation wire which is pulled by the curving operation in the curving operation portion to curve the curving portion in the first curving direction. The endoscope includes a wire crossing portion in which the second operation wire crosses the first operation wire, and a movement regulating portion which regulates the movement of the wire crossing portion from within the operation portion into the insertion portion.Type: GrantFiled: March 28, 2011Date of Patent: September 9, 2014Assignee: Olympus Medical Systems Corp.Inventors: Yoshinori Sato, Eiji Matsuda, Toru Shinmura
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Patent number: 8643709Abstract: An endoscope includes an image pick-up unit extending in the axial direction within a distal end forming portion, and a channel tube extending in the axial direction within the distal end forming portion and including a parallel portion arranged parallel with the image pick-up unit, and the outer peripheral surface of the parallel portion includes a facing side diameter reducing portion arranged on a side facing the image pick-up unit and, with respect to a reference circumferential surface including a common central axis to the inner peripheral surface of the parallel portion, closer to a central axis side than the reference circumferential surface in a cross section orthogonal to the axial direction, and a diameter keeping portion arranged on a side other than the side facing the image pick-up unit and whose at least a part overlaps the reference circumferential surface.Type: GrantFiled: May 27, 2009Date of Patent: February 4, 2014Assignee: Olympus Medical Systems Corp.Inventors: Eijiro Sato, Eiji Matsuda
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Publication number: 20130257846Abstract: A memory-type liquid crystal display device includes transistors (N1, N2), retention electrodes (MRY), refresh output control sections (RS1), and capacitors (Cb1). In a data retention period, an electric potential of each of the retention electrodes (MRY) is changed via a corresponding one of the capacitors (Cb1) by changing an electric potential level of a retention capacitor wire signal that is supplied to a corresponding CS line (CSL(i)). Each of the refresh output control sections (RS1) receives the electric potential thus changed of a corresponding one of the retention electrodes (MRY) via the input section and controls an electric potential of a corresponding pixel electrode (PIX) in accordance with the electric potential thus changed.Type: ApplicationFiled: December 12, 2011Publication date: October 3, 2013Applicant: Sharp Kabushiki KaishaInventors: Eiji Matsuda, Yasushi Sasaki, Yuhichiroh Murakami, Seijirou Gyouten, Shuji Nishi, Makoto Yokoyama
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Patent number: 8534738Abstract: A door hole cover which is intended to be attached to a door inner panel of a vehicle to cover an opening formed in the door inner panel, and which has an average of loss coefficients at frequencies of 150 Hz or less of 0.085 or more.Type: GrantFiled: July 1, 2010Date of Patent: September 17, 2013Assignee: Nitto Denko CorporationInventors: Mitsuo Matsumoto, Katsuhiko Tachibana, Daisuke Tsuchiya, Eiji Matsuda, Kazuyuki Yagura, Natsuko Kagehisa
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Patent number: 8497834Abstract: A signal output circuit of the present invention is provided in a unit stage of a shift register. The signal output circuit includes a set-reset flip-flop, and a signal generation circuit for generating an output signal by loading or blocking a clock signal in accordance with a signal inputted thereto. The signal output circuit is arranged such that: the signal generation circuit receives a signal outputted from the flip-flop and the output signal fed back to the signal generating circuit; and the output signal is fed back to a reset input of the flip-flop. This makes it possible to achieve a reduction in the area of the circuit and a simplification of the circuit.Type: GrantFiled: November 12, 2012Date of Patent: July 30, 2013Assignee: Sharp Kabushiki KaishaInventors: Etsuo Yamamoto, Yuhichiroh Murakami, Eiji Matsuda
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Patent number: 8425407Abstract: An endoscope insertion portion includes an image pick-up assembly including an image pick-up unit and an image pick-up cable provided in order from the distal end portion to the proximal end side wherein the outer diameter of the image pick-up unit is larger than the outer diameter of the image pick-up cable, and a channel assembly arranged side by side with the image pick-up assembly and including a thin outer diameter portion and a thick outer diameter portion provided in order from the distal end portion to the proximal end side wherein a distal end portion of the thick outer diameter portion is arranged on more proximal end side than a proximal end portion of the image pick-up unit.Type: GrantFiled: September 10, 2009Date of Patent: April 23, 2013Assignee: Olympus Medical Systems Corp.Inventors: Eijiro Sato, Eiji Matsuda, Toru Shinmura
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Publication number: 20130094166Abstract: A plurality of display panels (10A and 10B) are provided on a single substrate (2). Data signal lines (11A), scanning signal lines (12A), a data signal line drive circuit (20A) for driving the data signal lines (11A), and a scanning signal line drive circuit (30A) for driving the scanning signal lines (12A) are provided for the display panel (10A). Data signal lines (11B), scanning signal lines (12B), a data signal line drive circuit (20B) for driving the data signal lines (11B), and a scanning signal line drive circuit (30B) for driving the scanning signal lines (12B) are provided for the display panel (10B). Input signal lines (17A and 17B) are provided so as not intersect each other in a plan view. This allows a reduction in power consumption and an increase in flexibility in design in a display panel which includes a plurality of display panels on a single substrate.Type: ApplicationFiled: May 11, 2011Publication date: April 18, 2013Inventors: Makoto Yokoyama, Eiji Matsuda, Takahiro Yamaguchi, Shuji Nishi, Takuya Hachida, Seijirou Gyouten
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Publication number: 20130076607Abstract: A plurality of the display panels (10A and 10B) are provided on a single substrate. For each of the plurality of the display panels (10A and 10B), there are provided data signal lines (11A and 11B), scanning signal lines (12A and 12B), data signal line drive circuits (20A and 20B) which drive the respective data signal lines (11A and 11B) and scanning signal line drive circuits (30A and 30B) which drive the respective scanning signal lines (12A and 12B). This allows achievement of lower electric power consumption and greater design freedom in a display device including a plurality of display panels which are provided on a single substrate.Type: ApplicationFiled: May 11, 2011Publication date: March 28, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Eiji Matsuda, Makoto Yokoyama, Shuji Nishi, Takahiro Yamaguchi, Takuya Hachida, Seijirou Gyouten
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Publication number: 20130069920Abstract: A signal output circuit of the present invention is provided in a unit stage of a shift register. The signal output circuit includes a set-reset flip-flop, and a signal generation circuit for generating an output signal by loading or blocking a clock signal in accordance with a signal inputted thereto. The signal output circuit is arranged such that: the signal generation circuit receives a signal outputted from the flip-flop and the output signal fed back to the signal generating circuit; and the output signal is fed back to a reset input of the flip-flop. This makes it possible to achieve a reduction in the area of the circuit and a simplification of the circuit.Type: ApplicationFiled: November 12, 2012Publication date: March 21, 2013Inventors: Etsuo Yamamoto, Yuhichiroh Murakami, Eiji Matsuda