Patents by Inventor Akio Suzuki
Akio Suzuki 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: 11966054Abstract: A display device includes a frame that includes a front portion, temple portions, and a pad portion, and is mounted on head of an observer, and an image display device attached to the frame. The image display device includes an image forming device, and an optical device on which light emitted from the image forming device is incident and from which the light is emitted toward the observer. One end portion of the optical device is fixed to a temple portion side of the front portion. Other end portion of the optical device is on a pad portion side of the front portion. A light shielding member that prevents external light from being incident on the other end portion of the optical device from above the other end portion of the optical device is attached to the pad portion side of the front portion.Type: GrantFiled: April 26, 2019Date of Patent: April 23, 2024Assignee: SONY CORPORATIONInventors: Akio Machida, Misaki Shimizu, Mitsuru Akahori, Nobuhiro Suzuki
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Publication number: 20240128880Abstract: A power converter includes a capacitor and a substrate on which a plurality of switching elements for power conversion are mounted. The power converter includes a cooler for cooling the plurality of switching elements and a housing that accommodates the capacitor, the substrate, and the cooler. The power converter includes a power connector exposed from the housing and an output connector exposed from the housing. The power converter includes a plurality of lines that include a plurality of power lines each electrically connected to the capacitor, given switching elements, and the power connector. The plurality of lines include a plurality of output lines each electrically connected to given switching elements and the output connector. At least one among the plurality of lines is a line that includes a conductive pattern formed on the substrate.Type: ApplicationFiled: December 26, 2023Publication date: April 18, 2024Inventors: Yuji SUZUKI, Motohito HORI, Akio TOBA, Ikuya SATO, Yasuhito TANAKA, Masamichi IWASAKI, Masaaki AJIMA, Nobuaki OHGURI
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Patent number: 11949338Abstract: A power converter includes a positive busbar electrically connected to a positive terminal and the first capacitor electrode, and includes a negative busbar electrically connected to a negative terminal and the second capacitor electrode. The power converter includes output busbars each electrically connected to a given output terminal among multiple output terminals, a given high-side switching element among a plurality of high-side switching elements, and a given low-side switching element among a plurality of low-side switching elements. The power converter includes a cooler that cools the high-side switching elements and the low-side switching elements. The power converter includes a housing that accommodates a supply tube and a discharge tube. The positive terminal, the negative terminal, the output terminals, the inlet port, and the outlet port are exposed on the housing. The inlet port, the outlet port, the supply tube, and the discharge tube are separate members from the housing.Type: GrantFiled: February 23, 2022Date of Patent: April 2, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventors: Yuji Suzuki, Motohito Hori, Akio Toba, Ikuya Sato, Yasuhito Tanaka, Masamichi Iwasaki, Masaaki Ajima, Nobuaki Ohguri
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Publication number: 20240097394Abstract: A light emitting sealed body includes: a housing which stores a discharge gas and is provided with a first opening to which first light is incident along a first optical axis and a second opening from which second light is emitted along a second optical axis; a first window portion which hermetically seals the first opening; and a second window portion which hermetically seals the second opening. The housing is formed of a light shielding material which does not transmit the first light and the second light. An internal space is defined by the housing, the first window portion, and the second window portion and the internal space is filled with the discharge gas. The first opening and the second opening are disposed so that the first optical axis and the second optical axis intersect each other.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Akio Suzuki, Toru Fujita, Akinori Asai, Yusei Nagata, Shinichi Ohba, Takayuki Ohshiro, Matthew Partlow, Ron Collins, Stephen F. Horne, Laura Owens
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Patent number: 11923707Abstract: A battery protection circuit with a novel configuration and a power storage device including the battery protection circuit are provided. The battery protection circuit includes a switch circuit for controlling charge and discharge of a battery cell; the switch circuit includes a mechanical relay, a first transistor, and a second transistor; the switch circuit has a function of controlling electrical connection between a first terminal and a second terminal; the mechanical relay has a function of breaking electrical connection between the first terminal and the second terminal; the first transistor has a function of supplying first current between the first terminal and the second terminal; the second transistor has a function of supplying second current between the first terminal and the second terminal; and the first current is higher than the second current.Type: GrantFiled: November 6, 2019Date of Patent: March 5, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Takayuki Ikeda, Munehiro Kozuma, Takanori Matsuzaki, Akio Suzuki, Seiya Saito
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Publication number: 20240021688Abstract: A transistor which is resistant to a short-channel effect is provided. The transistor includes a first conductor in a ring shape, an oxide semiconductor including a region extending through an inside of a ring of the first conductor, a first insulator between the first conductor and the oxide semiconductor, a second insulator between the first conductor and the first insulator, and a charge trap layer inside the ring of the first conductor. The charge trap layer is inside the second insulator and configured to be in a floating state.Type: ApplicationFiled: September 22, 2023Publication date: January 18, 2024Inventors: Akio SUZUKI, Shinpei MATSUDA, Shunpei YAMAZAKI
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Patent number: 11862922Abstract: A light emitting sealed body includes: a housing which stores a discharge gas and is provided with a first opening to which first light is incident along a first optical axis and a second opening from which second light is emitted along a second optical axis; a first window portion which hermetically seals the first opening; a second window portion which hermetically seals the second opening; and a first electrode and a second electrode. The housing is formed of a light shielding material which does not transmit the first light and the second light. An internal space is defined by the housing, the first window portion, and the second window portion and the internal space is filled with the discharge gas. The first opening and the second opening are disposed so that the first optical axis and the second optical axis intersect each other.Type: GrantFiled: December 21, 2020Date of Patent: January 2, 2024Assignees: ENERGETIQ TECHNOLOGY, INC., HAMAMATSU PHOTONICS K.K.Inventors: Akio Suzuki, Toru Fujita, Akinori Asai, Yusei Nagata, Shinichi Ohba, Takayuki Ohshiro, Matthew Partlow, Ron Collins, Stephen F. Horne, Laura Owens
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Patent number: 11777005Abstract: A transistor which is resistant to a short-channel effect is provided. The transistor includes a first conductor in a ring shape, an oxide semiconductor including a region extending through an inside of a ring of the first conductor, a first insulator between the first conductor and the oxide semiconductor, a second insulator between the first conductor and the first insulator, and a charge trap layer inside the ring of the first conductor. The charge trap layer is inside the second insulator and configured to be in a floating state.Type: GrantFiled: May 19, 2021Date of Patent: October 3, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Akio Suzuki, Shinpei Matsuda, Shunpei Yamazaki
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Publication number: 20230207567Abstract: A semiconductor device with a novel structure is provided. The semiconductor device includes a current-to-voltage conversion portion, a current switch portion, a voltage-to-current conversion portion, and a control portion. The current switch portion includes a first transistor. The voltage-to-current conversion portion includes a second transistor. The control portion includes a third transistor. The first transistor includes an oxide semiconductor in a channel formation region. The second transistor includes a nitride semiconductor in a channel formation region. The third transistor includes silicon in a channel formation region. The first transistor is provided over a first substrate. The second transistor and the third transistor are provided over a second substrate.Type: ApplicationFiled: April 9, 2021Publication date: June 29, 2023Inventors: Yuto YAKUBO, Shoki MIYATA, Akio SUZUKI, Takayuki IKEDA
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Patent number: 11682548Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space, on which laser light for maintaining a plasma generated in the light-emitting gas is incident; and a charging pipe including a first end portion and a second end portion and connected to the internal space at the first end portion. The second end portion of the charging pipe is sealed by being crushed. The second end portion of the charging pipe is covered with a covering member consists of an inorganic material. The covering member is covered with a cap member consists of a metal material.Type: GrantFiled: September 29, 2022Date of Patent: June 20, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Akio Suzuki, Toru Fujita, Shinichi Ohba, Akinori Asai, Tomoya Nakazawa, Taiga Morimoto
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Publication number: 20230188094Abstract: A novel semiconductor device is provided. The semiconductor device includes a mixer circuit and a bias circuit. The mixer circuit includes a voltage-to-current conversion portion, a current switch portion, and a current-to-voltage conversion portion. The bias circuit includes a bias supply portion and a first transistor. The voltage-to-current conversion portion includes a second transistor and a third transistor. The bias supply portion has a function of outputting a bias voltage to be supplied to a gate of the second transistor and a gate of the third transistor. One of a source and a drain of the first transistor is electrically connected to the gate of the second transistor and the gate of the third transistor. The first transistor is turned off when the bias voltage is supplied, and the first transistor is turned on when the supply of the bias voltage is stopped.Type: ApplicationFiled: May 7, 2021Publication date: June 15, 2023Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuto YAKUBO, Shoki MIYATA, Akio SUZUKI, Takayuki IKEDA
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Patent number: 11676809Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space and formed with an opening on which first light is incident and/or from which second light is emitted, wherein the first light is laser light for maintaining a plasma generated in the light-emitting gas and the second light is light from the plasma; and a window member that transmits the first light and/or the second light at the opening. The window member is joined to the housing by a joining material consisting of a material containing gold.Type: GrantFiled: September 29, 2022Date of Patent: June 13, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Akio Suzuki, Toru Fujita, Shinichi Ohba, Akinori Asai, Tomoya Nakazawa, Taiga Morimoto
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Patent number: 11670497Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space; a first window portion provided to the housing and on which first light that is laser light for maintaining a plasma generated in the light-emitting gas is incident; and a second window portion provided to the housing and from which second light that is light from the plasma is emitted. The second window portion includes a second window member made of a material containing diamond. A protective layer made of an inorganic material is formed at least on a surface of the second window member on a side of the internal space.Type: GrantFiled: September 29, 2022Date of Patent: June 6, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Akio Suzuki, Toru Fujita, Shinichi Ohba, Akinori Asai, Tomoya Nakazawa, Taiga Morimoto
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Patent number: 11664211Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space; a first window portion which is provided to the housing and on which first light that is laser light for maintaining a plasma generated in the light-emitting gas is incident; a second window portion provided to the housing and from which second light that is light from the plasma is emitted; and a getter portion including a getter material and disposed in an irradiation region of the first light inside the housing.Type: GrantFiled: September 29, 2022Date of Patent: May 30, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Akio Suzuki, Toru Fujita, Shinichi Ohba, Akinori Asai, Tomoya Nakazawa, Taiga Morimoto
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Publication number: 20230104797Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space; a first window portion which is provided to the housing and on which first light that is laser light for maintaining a plasma generated in the light-emitting gas is incident; a second window portion provided to the housing and from which second light that is light from the plasma is emitted; and a getter portion including a getter material and disposed in an irradiation region of the first light inside the housing.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Akio SUZUKI, Toru FUJITA, Shinichi OHBA, Akinori ASAI, Tomoya NAKAZAWA, Taiga MORIMOTO
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Publication number: 20230108659Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space, on which laser light for maintaining a plasma generated in the light-emitting gas is incident; and a charging pipe including a first end portion and a second end portion and connected to the internal space at the first end portion. The second end portion of the charging pipe is sealed by being crushed. The second end portion of the charging pipe is covered with a covering member consists of an inorganic material. The covering member is covered with a cap member consists of a metal material.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Akio SUZUKI, Toru FUJITA, Shinichi OHBA, Akinori ASAI, Tomoya NAKAZAWA, Taiga MORIMOTO
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Publication number: 20230103662Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space; a first window portion provided to the housing and on which first light that is laser light for maintaining a plasma generated in the light-emitting gas is incident; and a second window portion provided to the housing and from which second light that is light from the plasma is emitted. The second window portion includes a second window member made of a material containing diamond. A protective layer made of an inorganic material is formed at least on a surface of the second window member on a side of the internal space.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Akio SUZUKI, Toru FUJITA, Shinichi OHBA, Akinori ASAI, Tomoya NAKAZAWA, Taiga MORIMOTO
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Publication number: 20230108497Abstract: A light emitting sealed body includes: a housing containing light-emitting gas in an internal space and formed with an opening on which first light is incident and/or from which second light is emitted, wherein the first light is laser light for maintaining a plasma generated in the light-emitting gas and the second light is light from the plasma; and a window member that transmits the first light and/or the second light at the opening. The window member is joined to the housing by a joining material consisting of a material containing gold.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Akio SUZUKI, Toru FUJITA, Shinichi OHBA, Akinori ASAI, Tomoya NAKAZAWA, Taiga MORIMOTO
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Patent number: D1024000Type: GrantFiled: August 15, 2022Date of Patent: April 23, 2024Assignee: SONY GROUP CORPORATIONInventor: Akio Suzuki
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Patent number: D1024016Type: GrantFiled: September 28, 2021Date of Patent: April 23, 2024Assignee: SONY GROUP CORPORATIONInventors: Akio Suzuki, Tomonari Murakami