Patents by Inventor Koichi Okamoto
Koichi Okamoto 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: 12220807Abstract: The handheld device improves an operability. The handheld device 1 includes a tablet 2 provided on the front side of the device 1 and a grip part 3 provided on the backside of the device 1 and to be griped by the operator H. The grip part 3 is rotatable relative to the tablet 2.Type: GrantFiled: November 11, 2020Date of Patent: February 11, 2025Assignee: IDEC CORPORATIONInventors: Koichi Nakajima, Kenichi Yasukawa, Souhei Okamoto, Momomi Oishi, Shigetoshi Fujitani
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Publication number: 20250040280Abstract: A plurality of microlenses arranged in a matrix in first and second directions orthogonal to each other; a plurality of photoelectric conversion portions, provided for each microlens of at least some of the plurality of microlenses, that perform photoelectric conversion on light that has entered the photoelectric conversion portions via the respective microlens; and a readout unit that sequentially reads out signals from the plurality of photoelectric conversion units with the first direction being a main scanning direction and the second direction being a sub-scanning direction are provided. The plurality of photoelectric conversion portions are arranged in at least one of the first and second directions, and an electric charge crosstalk rate between a plurality of photoelectric conversion portions arranged in the first direction is higher than an electric charge crosstalk rate between a plurality of photoelectric conversion portions arranged in the second direction.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Inventors: KOHEI OKAMOTO, SHUNICHI WAKASHIMA, KOICHI FUKUDA, YUMI TAKAO
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Publication number: 20250040271Abstract: An image sensor in which a length of a pixel portion in a first direction is longer than a length of the pixel portion in a second direction orthogonal to the first direction. The pixel portion includes: a plurality of microlenses arranged in a matrix in the first direction and the second direction, and a plurality of photoelectric conversion portions provided for each microlens of at least some of the plurality of microlenses and configured to perform photoelectric conversion on light that has entered the photoelectric conversion portions via the each microlens. The plurality of photoelectric conversion portions are arranged in at least one of the first and second directions, and an electric charge crosstalk rate between a plurality of photoelectric conversion portions arranged in the first direction is higher than that between a plurality of photoelectric conversion portions arranged in the second direction.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Inventors: KOHEI OKAMOTO, SHUNICHI WAKASHIMA, KOICHI FUKUDA, YUMI TAKAO
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Publication number: 20250039527Abstract: A plurality of microlenses arranged in a matrix in first and second directions orthogonal to each other, and a plurality of photoelectric conversion portions provided for each microlens of at least some of the plurality of microlenses and configured to perform photoelectric conversion on light that has entered the photoelectric conversion portions via the each microlens are provided. The plurality of photoelectric conversion portions are arranged in at least one of the first and second directions for the plurality of photoelectric conversion portions, and in a case where influence of noise superimposed on signals read out from the plurality of photoelectric conversion units is greater in the second direction than in the first direction, the electric charge crosstalk rate between the plurality of photoelectric conversion units in the first direction is made higher than the electric charge crosstalk rate in the second direction.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Inventors: KOHEI OKAMOTO, SHUNICHI WAKASHIMA, KOICHI FUKUDA, YUMI TAKAO
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Publication number: 20240342672Abstract: A chemical liquid preparation method of preparing a TMAH-containing chemical liquid, including, a correspondence relationship preparing step of preparing a correspondence relationship between a supply flow rate ratio between an oxygen-containing gas and an inert-gas-containing gas and a convergent dissolved oxygen concentration in the TMAH-containing chemical liquid that is converged to when the oxygen-containing gas and the inert-gas-containing gas are supplied into the TMAH-containing chemical liquid; a concentration setting step of setting a target dissolved oxygen concentration in the TMAH-containing chemical liquid; a supply-flow-rate-ratio acquiring step of acquiring the supply flow rate ratio between the oxygen-containing gas and the inert-gas-containing gas corresponding to the target dissolved oxygen concentration in accordance with the correspondence relationship prepared in the correspondence relationship preparing step; and a gas supplying step of supplying the oxygen-containing gas and the inert-Type: ApplicationFiled: June 27, 2024Publication date: October 17, 2024Applicant: SCREEN Holdings Co., Ltd.Inventors: Hajime NISHIDE, Takashi IZUTA, Takatoshi HAYASHI, Katsuhiro FUKUI, Koichi OKAMOTO, Kazuhiro FUJITA, Atsuyasu MIURA, Kenji KOBAYASHI, Sei NEGORO, Hiroki TSUJIKAWA
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Patent number: 12064739Abstract: A chemical liquid preparation method of preparing a chemical liquid for treating a film formed on a substrate, including a gas dissolving process in which an oxygen-containing gas and an inert-gas-containing gas are dissolved in the chemical liquid by supplying the oxygen-containing gas which contains oxygen gas and the inert-gas-containing gas which contains an inert gas to a chemical liquid, wherein in the gas dissolving process, a dissolved oxygen concentration in the chemical liquid is adjusted by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas supplied to the chemical liquid as a mixing ratio corresponding to a predetermined target dissolved oxygen concentration.Type: GrantFiled: July 19, 2022Date of Patent: August 20, 2024Assignee: SCREEN Holdings Co., Ltd.Inventors: Hajime Nishide, Takashi Izuta, Takatoshi Hayashi, Katsuhiro Fukui, Koichi Okamoto, Kazuhiro Fujita, Atsuyasu Miura, Kenji Kobayashi, Sei Negoro, Hiroki Tsujikawa
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Patent number: 12030122Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.Type: GrantFiled: October 21, 2020Date of Patent: July 9, 2024Assignees: JFE STEEL CORPORATION, TOKIN CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Naomichi Nakamura, Makoto Nakaseko, Takuya Takashita, Mineo Muraki, Hoshiaki Terao, Raita Wada, Akiri Urata, Yu Kanamori, Makoto Yamaki, Koichi Okamoto, Toshinori Tsuda, Shoichi Sato, Kimihiro Ozaki
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Publication number: 20240146290Abstract: A light source drive circuit according to an embodiment includes: a first delay circuit (10) that gives, based on a clock signal, a delay to an input signal with first time resolution and a second delay circuit (20) that is connected in series to the first delay circuit, gives, based on the clock signal, a delay to an input signal with a second time resolution having accuracy different from accuracy of the first time resolution, and outputs the signal as a signal for driving a light source.Type: ApplicationFiled: March 2, 2022Publication date: May 2, 2024Inventors: TAKASHI MASUDA, DAISUKE SUZUKI, MITSUSHI TABATA, KOICHI OKAMOTO, KOUTA HIYAMA
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Publication number: 20240128282Abstract: A semiconductor device (10) according to one aspect of the present disclosure includes: a driving section (40) that drives an object to be driven; an abnormality detecting circuit (30), which is one example of an instruction circuit that outputs an instruction signal to the driving section (40); and a light amount detecting section (20) that detects an amount of incident light and invalidates the instruction signal output from the abnormality detecting circuit (30) in accordance with the amount of incident light.Type: ApplicationFiled: February 16, 2022Publication date: April 18, 2024Inventors: Koichi Okamoto, Hideaki Mogi, Takashi Masuda, Shinichirou Saeki, Mitsushi Tabata
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Publication number: 20240006102Abstract: Provided is a magnetic body and a magnetic element that can be used in a high temperature environment of 180° C. and are excellent in heat resistance. The magnetic body according to an aspect of the present invention includes an iron alloy powder having an inorganic insulating layer on the surface thereof and a resin cured product, and contains 4 to 10 parts by mass of Si in 100 parts by mass of the iron alloy powder.Type: ApplicationFiled: July 15, 2021Publication date: January 4, 2024Inventors: Satoru MATSUZAWA, Akiko OSHIMA, Koichi OKAMOTO
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Publication number: 20230238771Abstract: Provided is an electronic device capable of reducing the possibility of malfunction. An electronic device is provided with: a first substrate including a drive circuit; a second substrate including a light-emitting unit driven by the drive circuit and mounted on one surface side of the first substrate; and a light-shielding unit provided on the first substrate and configured to shield at least a part of the drive circuit from light emitted by the light-emitting unit.Type: ApplicationFiled: April 14, 2021Publication date: July 27, 2023Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Daisuke SUZUKI, Takashi MASUDA, Shinichirou SAEKI, Koichi OKAMOTO, Motoi KIMURA, Yuichi HAMAGUCHI, Noriyuki BANNO, Mitsunari HOSHI, Akinori TAKAYAMA, Soichi OCHIAI, Shinichiro KUSUNOKI, Makoto AKETO, Hideki NODA, Takashi SAKOH
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Patent number: 11672059Abstract: A light source device that includes a first resistor that is connected to a given potential, a light emitting element that is connected in series to the first resistor, a second resistor that is connected to the given potential, and a first current source that is connected in series to the second resistor and that is configured to supply a freely-selected current within a given range are included. A first voltage is taken out from a first connection part where the first resistor and the light emitting element are connected to each other and a second voltage is taken out from a second connection part where the second resistor and the first current source are connected to each other.Type: GrantFiled: January 16, 2020Date of Patent: June 6, 2023Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Takashi Masuda, Mitsushi Tabata, Koichi Okamoto, Yasuo Oba
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Publication number: 20220347641Abstract: A chemical liquid preparation method of preparing a chemical liquid for treating a film formed on a substrate, including a gas dissolving process in which an oxygen-containing gas and an inert-gas-containing gas are dissolved in the chemical liquid by supplying the oxygen-containing gas which contains oxygen gas and the inert-gas-containing gas which contains an inert gas to a chemical liquid, wherein in the gas dissolving process, a dissolved oxygen concentration in the chemical liquid is adjusted by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas supplied to the chemical liquid as a mixing ratio corresponding to a predetermined target dissolved oxygen concentration.Type: ApplicationFiled: July 19, 2022Publication date: November 3, 2022Applicant: SCREEN Holdings Co., Ltd.Inventors: Hajime NISHIDE, Takashi IZUTA, Takatoshi HAYASHI, Katsuhiro FUKUI, Koichi OKAMOTO, Kazuhiro FUJITA, Atsuyasu MIURA, Kenji KOBAYASHI, Sei NEGORO, Hiroki TSUJIKAWA
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Publication number: 20220291342Abstract: Proposed is a ranging system capable of improving the accuracy of ranging. A ranging system (70) includes: a drive unit (24) that causes a light emitting element to emit light and outputs a drive signal for irradiating a target with light; a sensor unit (302) that detects reflected light from the target; a measurement unit (23) that measures a delay time that is included in a time from timing at which a trigger signal for causing the light emitting element to emit light is output to timing at which the light emitting element actually emits light; and a ranging observation unit (52) which is a processing unit that performs a process of calculating a distance to the target on the basis of output timing of the trigger signal, light receiving timing of the reflected light obtained by the sensor unit, and the delay time.Type: ApplicationFiled: August 27, 2020Publication date: September 15, 2022Inventors: Daisuke Suzuki, Takashi Masuda, Mitsushi Tabata, Kouta Hiyama, Koichi Okamoto, Akihiko Miyanohara
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Patent number: 11439967Abstract: A chemical liquid preparation method of preparing a chemical liquid for treating a film formed on a substrate, including a gas dissolving process in which an oxygen-containing gas and an inert-gas-containing gas are dissolved in the chemical liquid by supplying the oxygen-containing gas which contains oxygen gas and the inert-gas-containing gas which contains an inert gas to a chemical liquid, wherein in the gas dissolving process, a dissolved oxygen concentration in the chemical liquid is adjusted by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas supplied to the chemical liquid as a mixing ratio corresponding to a predetermined target dissolved oxygen concentration.Type: GrantFiled: August 28, 2018Date of Patent: September 13, 2022Assignee: SCREEN Holdings Co., Ltd.Inventors: Hajime Nishide, Takashi Izuta, Takatoshi Hayashi, Katsuhiro Fukui, Koichi Okamoto, Kazuhiro Fujita, Atsuyasu Miura, Kenji Kobayashi, Sei Negoro, Hiroki Tsujikawa
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Publication number: 20220276381Abstract: The laser drive device (41) includes: a drive circuit (43) that drives a light emitting element (40) by a vertical cavity surface emitting laser to emit light on the basis of a drive control signal; an assist circuit (42) that short-circuits both ends of the light emitting element on the basis of an assist control signal to speed up a fall time of the light emitting element; a timing adjustment unit (20) that performs mutual timing adjustment between the drive control signal and the assist control signal on the basis of a timing adjustment signal; a phase detection unit (33) that detects a phase difference between the drive control signal and the assist control signal; and a timing control unit (34) that generates the timing adjustment signal on the basis of a phase difference detection result of the phase detection unit.Type: ApplicationFiled: June 12, 2020Publication date: September 1, 2022Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO
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Publication number: 20220271502Abstract: By eliminating the need to use a high-precision clock in pulse width detection for pulse width adjustment in a case where light-emitting elements as vertical-cavity surface-emitting lasers are pulse-driven, circuit configuration is simplified and cost is reduced. A laser drive apparatus according to the present technology includes a drive circuit unit that drives light-emitting elements as vertical-cavity surface-emitting lasers to emit light on the basis of a pulse signal, a pulse width detection unit that detects the pulse width of the pulse signal on the basis of the potential of a capacitor when the capacitor is charged on the basis of the pulse signal, and a control unit that performs control so that the pulse width is adjusted on the basis of a detection result of the pulse width.Type: ApplicationFiled: May 24, 2020Publication date: August 25, 2022Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO
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Publication number: 20220104322Abstract: A light source device according to an embodiment includes: a first resistor (101) that is connected to a given potential; a light emitting element (12) that is connected in series to the first resistor; a second resistor (102) that is connected to the given potential; and a first current source (104) that is connected in series to the second resistor and that is configured to supply a freely-selected current within a given range are included. A first voltage is taken out from a first connection part where the first resistor and the light emitting element are connected to each other and a second voltage is taken out from a second connection part where the second resistor and the first current source are connected to each other.Type: ApplicationFiled: January 16, 2020Publication date: March 31, 2022Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO, YASUO OBA
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Publication number: 20220094139Abstract: A light source device according to an embodiment includes: a first resistor (101) that is connected to a given potential; a light emitting element (12) that is connected in series to the first resistor and that is configured to be supplied with a given current and thus emit a given amount of light; a second resistor (102) that is connected to the given potential; and a first current source (104) that is connected in series to the second resistor and that is configured to supply a current obtained by adding a current corresponding to an overcurrent to the given current are included, and a first voltage at a first connection part where the first resistor and the light emitting element are connected to each other and a second voltage at a second connection part where the second resistor and the first current source are connected to each other are taken out.Type: ApplicationFiled: January 16, 2020Publication date: March 24, 2022Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO, YASUO OBA
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Publication number: 20210031268Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.Type: ApplicationFiled: October 21, 2020Publication date: February 4, 2021Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI