Patents by Inventor Yoshiyuki Watanabe
Yoshiyuki Watanabe 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: 20200395397Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.Type: ApplicationFiled: May 4, 2020Publication date: December 17, 2020Applicant: NIKON CORPORATIONInventors: Toru TAKAGI, Satoshi NAKAYAMA, Ryoji ANDO, Takashi SEO, Yohei MATSUOKA, Yoshiyuki WATANABE
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Patent number: 10833246Abstract: A piezoelectric material contains ferroelectric particles and an adhesive resin. The ratio of the ferroelectric particles relative to the total mass of the ferroelectric particles and the adhesive resin is 40 mass % or greater and 98 mass % or less.Type: GrantFiled: August 28, 2017Date of Patent: November 10, 2020Assignee: SHIMANO INC.Inventors: Masahiko Fukuda, Yoshiyuki Watanabe, Takaya Masuda
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Patent number: 10816262Abstract: Provided is a production facility for liquefied hydrogen and a liquefied natural gas from a natural gas, including: a first heat exchanger configured to cool a hydrogen gas through heat exchange between the hydrogen gas and a mixed refrigerant for liquefying a natural gas containing a plurality of kinds of refrigerants selected from the group consisting of methane, ethane, propane, and nitrogen; a second heat exchanger configured to cool the mixed refrigerant through heat exchange between the mixed refrigerant and propane; and a third heat exchanger configured to cool the hydrogen gas through heat exchange between the hydrogen gas and a refrigerant containing hydrogen or helium, wherein the first heat exchanger has a precooling temperature of from ?100° C. to ?160° C.Type: GrantFiled: March 10, 2016Date of Patent: October 27, 2020Assignee: JGC CORPORATIONInventors: Yoshiyuki Watanabe, Hidefumi Omori, Toru Matsuhara, Shintaro Watanabe, Toru Nakayama
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Publication number: 20200329208Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts light to generate an electric charge; a holding unit that holds the electric charge generated by the photoelectric conversion unit; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; a first transfer path that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit; and a second transfer path that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit via the holding unit.Type: ApplicationFiled: September 27, 2018Publication date: October 15, 2020Applicant: NIKON CORPORATIONInventors: Ryoji ANDO, Yoshiyuki WATANABE
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Publication number: 20200321170Abstract: A switch device includes a first rubber dome, a second rubber dome, and a slider disposed on the first rubber dome and the second rubber dome. The slider presses the upper surface of the first rubber dome, causing deformation of the first rubber dome when the slider is moved toward the first and second rubber domes, and presses the upper surface of the second rubber dome, causing deformation of the second rubber dome when the slider is further moved toward the first and second rubber domes in a state in which the first rubber dome is subjected to the deformation. A thick portion is formed on each side of the second rubber dome so as to increase the thickness on the each side of the second rubber dome. Each side of the second rubber dome is in a direction in which the first and second rubber domes are aligned.Type: ApplicationFiled: June 22, 2020Publication date: October 8, 2020Inventor: Yoshiyuki WATANABE
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Patent number: 10781288Abstract: A polyimide precursor including at least one repeating unit represented by the following chemical formula (1): in which A is an arylene group; and X1 and X2 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms, and a polyimide obtained from the polyimide precursor has a coefficient of linear thermal expansion from 50° C. to 400° C. of 100 ppm/K or less.Type: GrantFiled: March 15, 2013Date of Patent: September 22, 2020Assignee: Ube Industries, Ltd.Inventors: Takuya Oka, Yukinori Kohama, Yoshiyuki Watanabe, Nobuharu Hisano
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Patent number: 10686001Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.Type: GrantFiled: September 26, 2016Date of Patent: June 16, 2020Assignee: NIKON CORPORATIONInventors: Toru Takagi, Satoshi Nakayama, Ryoji Ando, Takashi Seo, Yohei Matsuoka, Yoshiyuki Watanabe
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Patent number: 10638234Abstract: A piezoelectric driver (10) includes n piezoelectric layers (3A to 3D) (where n is an integer equal to or greater than 2) that are stacked, with electrode layers (4B to 4D) each interposed between any adjacent piezoelectric layers, and with electrode layers (4A and 4E) further formed underneath the lowermost piezoelectric layer (3A) and on top of the uppermost piezoelectric layer (3D), and the piezoelectric driver (10) is bent and displaced in the direction in which the piezoelectric layers are stacked. A signal converter (11) converts an n-bit digital signal (IS) into n bits of a bit string data signal (BS) comprising of bit data indicating whether a drive voltage to be applied to each of the piezoelectric layers (3A to 3D) via the electrode layers (4A to 4B) is on or off.Type: GrantFiled: April 12, 2017Date of Patent: April 28, 2020Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Yoshifumi Ikeda, Shogo Kurogi, Yoshiyuki Watanabe
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Patent number: 10638067Abstract: A solid-state image sensor includes: a plurality of pixels, each including a photoelectric conversion unit and a charge accumulating unit that accumulates an electric charge from the photoelectric conversion unit; and a connection unit that includes a plurality of linking units each of which electrically connects the charge accumulating units of two adjacent pixels among the plurality of pixels.Type: GrantFiled: November 18, 2014Date of Patent: April 28, 2020Assignee: NIKON CORPORATIONInventors: Atsushi Komai, Yoshiyuki Watanabe, Osamu Saruwatari
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Publication number: 20200106969Abstract: Provided is an imaging device including a light receiving portion including a plurality of photoelectric conversion elements arranged in a two-dimensional manner, and a spectral filter including a storage portion that stores a substance composed of a fluid or a gas, an inflow portion through which the substance flows into the storage portion, and an outflow portion through which the substance flows out from the storage portion, the spectral filter having a spectral characteristic corresponding to a refractive index of the substance, the spectral filter being each provided for one or more of the photoelectric conversion elements.Type: ApplicationFiled: December 3, 2019Publication date: April 2, 2020Applicant: NIKON CORPORATIONInventors: Madoka NISHIYAMA, Yoshiyuki WATANABE, Naoki OHKOUCHI, Hiroyuki TSUKAMOTO
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Publication number: 20200098961Abstract: An imaging device having a multiband is provided. The imaging device includes a first photoelectric conversion element; a second photoelectric conversion element; a fixed mirror and a first moving mirror provided in correspondence to the first photoelectric conversion element and having reflective surfaces respectively facing each other with a first interval; a fixed mirror and a second moving mirror provided in correspondence to the second photoelectric conversion element and having reflective surfaces respectively facing each other with a second interval, the second moving mirror being coupled to the first moving mirror; and a driving member configured to move the first moving mirror and the second moving mirror relative to the fixed mirror.Type: ApplicationFiled: November 29, 2019Publication date: March 26, 2020Applicant: NIKON CORPORATIONInventors: Madoka NISHIYAMA, Naoki OHKOUCHI, Yoshiyuki WATANABE, Kiyoshige SHIBAZAKI, Yasuhiro SAKATA
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Patent number: 10597301Abstract: A high-concentration ammonia production method includes: synthesizing ammonia through electrolysis using water and nitrogen as raw materials; subjecting a resultant generation gas to treatment using an ammonia separation membrane or an ammonia PSA to separate the generation gas into high-concentration ammonia and a residual gas; recycling the residual gas as a nitrogen gas raw material of an ammonia synthesis reactor, and liquefying the high-concentration ammonia recovered through the ammonia separation membrane or the ammonia PSA; and subjecting an unliquefied gas separated from liquefied ammonia to the treatment using the ammonia separation membrane or the ammonia PSA again. According to the present disclosure, ammonia is synthesized by adopting an electrolysis method in which the synthesized ammonia substantially does not contain hydrogen, in combination with ammonia separation and recovery treatment using membrane separation or PSA.Type: GrantFiled: March 3, 2016Date of Patent: March 24, 2020Assignee: JGC CORPORATIONInventors: Tsutomu Kawasaki, Yoshiyuki Watanabe
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Publication number: 20190394412Abstract: A solid-state image sensor includes: a plurality of pixels, each including a photoelectric conversion unit and a charge accumulating unit that accumulates an electric charge from the photoelectric conversion unit; and a connection unit that includes a plurality of linking units each of which electrically connects the charge accumulating units of two adjacent pixels among the plurality of pixels.Type: ApplicationFiled: September 6, 2019Publication date: December 26, 2019Applicant: NIKON CORPORATIONInventors: Atsushi KOMAI, Yoshiyuki WATANABE, Osamu SARUWATARI
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Patent number: 10484796Abstract: An array speaker device (1A) includes a vibrator (20) arranged on one face of a substrate having a uniform thickness, the vibrator being formed of a base material layer (11), a first electrode layer (12), a piezoelectric element layer (13), and a second electrode layer (14), each of which has a uniform thickness, and which are layered in the order mentioned on the substrate. A hole through which a sound wave is outputted in the thickness direction of the substrate is provided on the substrate at a position corresponding to the vibrator (20), the sound wave being generated by vibration of the vibrator (20) to which a voltage signal is applied via the first electrode layer (12) and the second electrode layer (14). Scallops (S) made of an indentation and a projection alternating in the thickness direction of the substrate are formed on the inner circumferential wall of the hole.Type: GrantFiled: December 16, 2016Date of Patent: November 19, 2019Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi, Yoshiyuki Watanabe
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Publication number: 20190327543Abstract: An oscillator (4) for warping to oscillate due to expansion and contraction of a piezoelectric layer, having a tabular shape and including a substrate and the piezoelectric layer layered on the substrate. A casing (2) has an internal space (2C) accommodating the oscillator (4) and a fixing section (2D) fixing the circumferential edge of the oscillator (4). The casing (2) is conductive of oscillations transmitted from the oscillator (4) via the fixing section (2D) to the outside. A signal input unit (3) receives an audio voltage signal input from a smartphone and applies the signal to the piezoelectric layer. The oscillator (4) has a main surface (4A) having an entire width W1 longer than the entire width of the fixing section (2D) in a direction orthogonal to a direction from the fixing section (2D) to the center of the oscillator (4).Type: ApplicationFiled: June 13, 2017Publication date: October 24, 2019Inventors: Kenji OGATA, Shogo KUROGI, Yoshiyuki WATANABE
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Patent number: 10403497Abstract: A method of manufacturing a silicon carbide semiconductor device includes, in order: polishing a silicon carbide semiconductor base body from a second main surface side thus forming unevenness on a second main surface; forming a thin metal film made of metal capable of forming a metal carbide on the second main surface of the silicon carbide semiconductor base body; irradiating a laser beam which falls within a visible region or within an infrared region to the thin metal film so as to heat the thin metal film thus forming a metal carbide on a boundary face between the silicon carbide semiconductor base body and the thin metal film; etching a metal containing byproduct layer possibly formed on a surface side of the metal carbide by a non-oxidizing chemical solution thus exposing a surface of the metal carbide; and forming a cathode electrode on the metal carbide.Type: GrantFiled: August 12, 2015Date of Patent: September 3, 2019Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventors: Yusuke Fukuda, Yoshiyuki Watanabe, Shunichi Nakamura
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Publication number: 20190268702Abstract: An array speaker device (1A) includes a vibrator (20) arranged on one face of a substrate having a uniform thickness, the vibrator being formed of a base material layer (11), a first electrode layer (12), a piezoelectric element layer (13), and a second electrode layer (14), each of which has a uniform thickness, and which are layered in the order mentioned on the substrate. A hole through which a sound wave is outputted in the thickness direction of the substrate is provided on the substrate at a position corresponding to the vibrator (20), the sound wave being generated by vibration of the vibrator (20) to which a voltage signal is applied via the first electrode layer (12) and the second electrode layer (14). Scallops (S) made of an indentation and a projection alternating in the thickness direction of the substrate are formed on the inner circumferential wall of the hole.Type: ApplicationFiled: December 16, 2016Publication date: August 29, 2019Inventors: Kenji Ogata, Shogo Kurogi, Yoshiyuki Watanabe
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Patent number: 10397685Abstract: An earphone (1) is provided that includes a first vibration plate (31) for vibration by a first piezoelectric element (32) and a cylindrically-shaped casing (2) for transmission of the vibration of the first vibration plate (31) to ear canal cartilage. The first vibration plate (31) is disposed inside the casing (2). The earphone (1) has a structure whereby an amount of sound leakage, which is due to transmission of the vibration of the first vibration plate (31) to the air, is low. The ear canal cartilage transmits sound to the eardrum of only one ear, thereby enabling localization of sound. The woofer (3) maintains sound pressure at low frequencies.Type: GrantFiled: June 8, 2016Date of Patent: August 27, 2019Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Akihiko Hosaka, Yoshiyuki Watanabe
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Publication number: 20190124451Abstract: A piezoelectric driver (10) includes n piezoelectric layers (3A to 3D) (where n is an integer equal to or greater than 2) that are stacked, with electrode layers (4B to 4D) each interposed between any adjacent piezoelectric layers, and with electrode layers (4A and 4E) further formed underneath the lowermost piezoelectric layer (3A) and on top of the uppermost piezoelectric layer (3D), and the piezoelectric driver (10) is bent and displaced in the direction in which the piezoelectric layers are stacked. A signal converter (11) converts an n-bit digital signal (IS) into n bits of a bit string data signal (BS) comprising of bit data indicating whether a drive voltage to be applied to each of the piezoelectric layers (3A to 3D) via the electrode layers (4A to 4B) is on or off.Type: ApplicationFiled: April 12, 2017Publication date: April 25, 2019Inventors: Kenji Ogata, Yoshifumi Ikeda, Shogo Kurogi, Yoshiyuki Watanabe
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Publication number: 20190092645Abstract: A high-concentration ammonia production method includes: synthesizing ammonia through electrolysis using water and nitrogen as raw materials; subjecting a resultant generation gas to treatment using an ammonia separation membrane or an ammonia PSA to separate the generation gas into high-concentration ammonia and a residual gas; recycling the residual gas as a nitrogen gas raw material of an ammonia synthesis reactor, and liquefying the high-concentration ammonia recovered through the ammonia separation membrane or the ammonia PSA; and subjecting an unliquefied gas separated from liquefied ammonia to the treatment using the ammonia separation membrane or the ammonia PSA again. According to the present disclosure, ammonia is synthesized by adopting an electrolysis method in which the synthesized ammonia substantially does not contain hydrogen, in combination with ammonia separation and recovery treatment using membrane separation or PSA.Type: ApplicationFiled: March 3, 2016Publication date: March 28, 2019Applicant: JGC CORPORATIONInventors: Tsutomu KAWASAKI, Yoshiyuki WATANABE