Patents by Inventor Tomoyuki Yokota
Tomoyuki Yokota 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: 11963433Abstract: The present invention provides an organic electroluminescence device capable of having not only a device lifetime comparable to that of an existing organic electroluminescence device but also a small thickness of smaller than 10 ?m and excellent flexibility. The present invention relates to an organic electroluminescence device having a structure including: an anode; a cathode on a substrate; and a laminate of multiple layers between the anode and the cathode, the device having a thickness of smaller than 10 ?m.Type: GrantFiled: December 6, 2019Date of Patent: April 16, 2024Assignees: The University of Tokyo, Nippon Hoso Kyokai, Nippon Shokubai Co., Ltd.Inventors: Takao Someya, Tomoyuki Yokota, Hirohiko Fukagawa, Takahisa Shimizu, Katsuyuki Morii, Tsuyoshi Goya, Kenji Kuwada
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Patent number: 11927599Abstract: Included are: a main body including an installation part in which a cartridge housing a liquid for treating a test substance contained in a specimen is installed and a detector configured to detect the test substance treated with the liquid within the cartridge installed in the installation part; a lid part arranged rotatably on the main body about a shaft so as to open and close the installation part; a biasing part biasing the lid part in an opening direction; and a plurality of regulators each generating resistance against a biasing force in the opening direction at different timing during an opening motion of the lid part.Type: GrantFiled: January 25, 2021Date of Patent: March 12, 2024Assignees: JVCKENWOOD Corporation, SYSMEX CORPORATIONInventors: Masahiro Yamamoto, Shigeru Yokota, Hideki Samata, Tomoyuki Nose, Sayuri Tomoda
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Publication number: 20240071128Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.Type: ApplicationFiled: November 3, 2023Publication date: February 29, 2024Inventors: Hirofumi KATO, Makoto UCHIDA, Takanori TSUNASHIMA, Takashi NAKAMURA, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA
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Patent number: 11891675Abstract: Disclosed is a duplex stainless clad steel plate in which a duplex stainless steel plate as a cladding metal is bonded or joined to one or both surfaces of a base steel plate, in which the base steel plate comprises a predetermined chemical composition such that Nb/N is 3.0 or more and Ceq is 0.35 to 0.45, and the duplex stainless steel plate comprises: a predetermined chemical composition such that PI is 34.0 to 43.0; and a microstructure containing a ferrite phase in an area fraction of 35% to 65%, and in the microstructure, an amount of precipitated Cr is 2.00% or less and an amount of precipitated Mo is 0.50% or less.Type: GrantFiled: March 28, 2019Date of Patent: February 6, 2024Assignee: JFE STEEL CORPORATIONInventors: Yota Kuronuma, Hirofumi Ohtsubo, Tomoyuki Yokota
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Patent number: 11888080Abstract: A detection device is provided. The detection device includes a sensor base; a plurality of photoelectric conversion elements that are provided in a detection area of the sensor base and are configured to receive light incident thereon and output signals corresponding to the received light; a plurality of switching elements provided in the respective photoelectric conversion elements; a plurality of gate lines that are coupled to the switching elements and extend in a first direction; a first light source configured to emit first light having a first maximum emission wavelength; and a second light source configured to emit second light having a second maximum emission wavelength.Type: GrantFiled: June 25, 2021Date of Patent: January 30, 2024Assignee: Japan Display Inc.Inventors: Hirofumi Kato, Takanori Tsunashima, Makoto Uchida, Takashi Nakamura, Akio Takimoto, Takao Someya, Tomoyuki Yokota
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Patent number: 11854299Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.Type: GrantFiled: October 13, 2021Date of Patent: December 26, 2023Assignees: Japan Display Inc., The University of TokyoInventors: Hirofumi Kato, Makoto Uchida, Takanori Tsunashima, Takashi Nakamura, Akio Takimoto, Takao Someya, Tomoyuki Yokota
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Publication number: 20230369355Abstract: According to an aspect, a detection device includes a plurality of optical sensors arranged on a substrate. Each of the optical sensors includes a first photodiode and a second photodiode that is coupled in series and in an opposite direction to the first photodiode.Type: ApplicationFiled: July 25, 2023Publication date: November 16, 2023Inventors: Keiichi SAITO, Takashi NAKAMURA, Gen KOIDE, Takao SOMEYA, Tomoyuki YOKOTA
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Publication number: 20230303172Abstract: In a lower member of a subframe for a vehicle, a middle portion between an outer-side portion and an inner-side portion includes an outer-side curved bottom portion and an inner-side curved bottom portion. Adjacently-positioned closed cross-sections are provided corresponding to at least a portion of the outer-side curved bottom portion and the inner-side curved bottom portion, the adjacently-positioned closed cross-sections being made up of a first closed cross-section of a first crossmember and a second closed cross-section of the lower member positioned adjacent to each other in a vertical direction in such a manner as to be divided by a wall portion of the first crossmember and next to each other, the wall portion defining the first closed cross-section.Type: ApplicationFiled: March 6, 2023Publication date: September 28, 2023Applicants: F-TECH INC., Honda Motor Co., LtdInventors: Tomoyuki Yokota, Toshiyuki Kawabata
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Patent number: 11692252Abstract: Disclosed is a duplex stainless clad steel plate in which a duplex stainless steel plate as a cladding metal is bonded or joined to one or both surfaces of a base steel plate, in which the base steel plate comprises a predetermined chemical composition such that Nb/N is 3.0 or more and Ceq is 0.35 to 0.45, and the duplex stainless steel plate comprises: a predetermined chemical composition such that PI is 33.0 to 38.0; and a microstructure containing a ferrite phase in an area fraction of 35% to 65%, and in the microstructure, an amount of precipitated Cr is 1.00% or less and an amount of precipitated Mo is 0.50% or less.Type: GrantFiled: March 28, 2019Date of Patent: July 4, 2023Assignee: JFE STEEL CORPORATIONInventors: Yota Kuronuma, Hirofumi Ohtsubo, Tomoyuki Yokota
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Publication number: 20230203614Abstract: Provided is an abrasion-resistant steel plate excellent in both abrasion resistance and wide bending workability. An abrasion-resistant steel plate comprises a specific chemical composition, wherein a volume fraction of martensite at a depth of 1 mm from a surface of the abrasion-resistant steel plate is 90 % or more, hardness at a depth of 1 mm from the surface is 500 HBW 10/3000 to 650 HBW 10/3000 in Brinell hardness, and a transverse direction hardness difference is 30Hv10 or less in Vickers hardness, the transverse direction hardness difference being defined as a difference in the hardness at a depth of 1 mm from the surface between two points adjacent at intervals of 10 mm in a transverse direction of the abrasion-resistant steel plate.Type: ApplicationFiled: May 25, 2021Publication date: June 29, 2023Applicant: JFE STEEL CORPORATIONInventors: Shigeki KITSUYA, Hitoshi SUEYOSHI, Tomoyuki YOKOTA
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Publication number: 20230183845Abstract: Provided is an abrasion-resistant steel plate excellent in both abrasion resistance and wide bending workability. An abrasion-resistant steel plate comprises a specific chemical composition, wherein a volume fraction of martensite at a depth of 1 mm from a surface of the abrasion-resistant steel plate is 90% or more, hardness at a depth of 1 mm from the surface is 420 HBW 10/3000 to 560 HBW 10/3000 in Brinell hardness, and a transverse direction hardness difference is 30Hv10 or less in Vickers hardness, the transverse direction hardness difference being defined as a difference in the hardness at a depth of 1 mm from the surface between two points adjacent at intervals of 10 mm in a transverse direction of the abrasion-resistant steel plate.Type: ApplicationFiled: May 25, 2021Publication date: June 15, 2023Applicant: JFE STEEL CORPORATIONInventors: Shigeki KITSUYA, Naoki TAKAYAMA, Tomoyuki YOKOTA
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Publication number: 20230175091Abstract: Provided is an abrasion-resistant steel plate excellent in both abrasion resistance and wide bending workability. An abrasion-resistant steel plate comprises a specific chemical composition, wherein a volume fraction of martensite at a depth of 1 mm from a surface of the abrasion-resistant steel plate is 90% or more, a number density of TiC precipitates of 0.5 ?m or more in equivalent circular diameter at a depth of 1 mm from the surface is 400/mm2 or more, hardness at a depth of 1 mm from the surface is 360 HBW 10/3000 or more in Brinell hardness, and a transverse direction hardness difference is 30Hv10 or less in Vickers hardness, the transverse direction hardness difference being defined as a difference in the hardness at a depth of 1 mm from the surface between two points adjacent at intervals of 10 mm in a transverse direction of the abrasion-resistant steel plate.Type: ApplicationFiled: May 25, 2021Publication date: June 8, 2023Applicant: JFE STEEL CORPORATIONInventors: Shigeki KITSUYA, Hitoshi SUEYOSHI, Tomoyuki YOKOTA
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Patent number: 11628512Abstract: Disclosed is a clad steel plate with further improved low temperature toughness along with excellent HIC resistance while ensuring a tensile strength of 535 MPa or more. A clad steel plate includes: a base steel; and a clad metal made of a corrosion resistant alloy bonded to one surface of the base steel, in which the base steel has: a chemical composition with appropriately controlled values of ACR and PHIC; and a steel microstructure in which bainite is present in an area fraction of 94% or more at a ½ thickness position in a thickness direction of the base steel, and with an average crystal grain size of 25 ?m or less, and shear strength at a bonded interface between the base steel and the cladding metal is 300 MPa or more.Type: GrantFiled: June 25, 2019Date of Patent: April 18, 2023Assignee: JFE STEEL CORPORATIONInventors: Ryosuke Sakai, Yota Kuronuma, Junji Shimamura, Tomoyuki Yokota
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Patent number: 11401568Abstract: A method for producing a steel material for line pipes which has a tensile strength of 570 MPa or more, a compressive strength of 440 MPa or more, and a thickness of 30 mm or more, the method including heating a steel having a specific composition to a temperature of 1000° C. to 1200° C.; performing hot rolling such that a cumulative rolling reduction ratio in a non-recrystallization temperature range is 60% or more, a cumulative rolling reduction ratio in a temperature range of (a rolling finish temperature +20° C.) or less is 50% or more, and a rolling finish temperature is the Ar3 transformation point or more and 790° C. or less; and subsequently performing accelerated cooling from a cooling start temperature of the Ar3 transformation point or more, at a cooling rate of 10° C./s or more, until the temperature of a surface of a steel plate reaches 300° C. to 500° C.Type: GrantFiled: January 22, 2019Date of Patent: August 2, 2022Inventors: Kyono Yasuda, Tomoyuki Yokota, Akihiko Tanizawa, Ryuji Muraoka, Kazukuni Hase
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Publication number: 20220154303Abstract: An object is to provide a steel plate having excellent deformability in the central portion in the thickness direction and a method for manufacturing the steel plate. A steel plate having a chemical composition containing, by mass %, C: 0.01% to 0.15%, Si: 0.01% to 1.00%, Mn: 0.10% to 2.00%, P: 0.010% or less, S: 0.0050% or less, Al: 0.002% to 0.100%, Ni: 5.0% to 10.0%, N: 0.0010% to 0.0080%, and with a balance being Fe and incidental impurities and a percentage reduction of area of 30% or more in a tensile test in the thickness direction performed on the central portion in the thickness direction.Type: ApplicationFiled: February 25, 2020Publication date: May 19, 2022Applicant: JFE STEEL CORPORATIONInventors: Yuya SATO, Shigeki KITSUYA, Shusaku OTA, Tomoyuki YOKOTA
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Publication number: 20220069220Abstract: The present invention provides an organic electroluminescence device capable of having not only a device lifetime comparable to that of an existing organic electroluminescence device but also a small thickness of smaller than 10 ?m and excellent flexibility. The present invention relates to an organic electroluminescence device having a structure including: an anode; a cathode on a substrate; and a laminate of multiple layers between the anode and the cathode, the device having a thickness of smaller than 10 ?m.Type: ApplicationFiled: December 6, 2019Publication date: March 3, 2022Inventors: Takao SOMEYA, Tomoyuki YOKOTA, Hirohiko FUKAGAWA, Takahisa SHIMIZU, Katsuyuki MORII, Tsuyoshi GOYA, Kenji KUWADA
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Publication number: 20220036036Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.Type: ApplicationFiled: October 13, 2021Publication date: February 3, 2022Inventors: Hirofumi KATO, Makoto UCHIDA, Takanori TSUNASHIMA, Takashi NAKAMURA, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA
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Publication number: 20220031182Abstract: A detection device includes a first optical sensor, a second optical sensor disposed at a predetermined distance from the first optical sensor, a light source that emits light to be detected by the first optical sensor and the second optical sensor facing a living body tissue including a blood vessel, and a processor that calculates a pulse wave velocity of the blood vessel based on a time-series variation of an output of the first optical sensor, a time-series variation of an output of the second optical sensor, and the predetermined distance.Type: ApplicationFiled: October 13, 2021Publication date: February 3, 2022Inventors: Hirofumi KATO, Takanori TSUNASHIMA, Makoto UCHIDA, Takashi NAKAMURA, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA
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Publication number: 20220037410Abstract: A detection device includes a photodiode, and a thin-film transistor coupled to the photodiode. The thin-film transistor includes a semiconductor layer between a light-blocking layer and the photodiode, and an electrode layer between the semiconductor layer and the photodiode, and the electric layer includes a source electrode and a drain electrode of the thin-film transistor. The source electrode extends to a position facing the light-blocking layer with the semiconductor layer interposed therebetween.Type: ApplicationFiled: October 13, 2021Publication date: February 3, 2022Inventors: Takashi NAKAMURA, Makoto UCHIDA, Masahiro TADA, Marina MOCHIZUKI, Hirofumi KATO, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA
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Publication number: 20210326623Abstract: A detection device according to an aspect includes: a sensor base; a plurality of photoelectric conversion elements that are provided in a detection area of the sensor base and are configured to receive light incident thereon and output signals corresponding to the received light; a plurality of switching elements provided in the respective photoelectric conversion elements; a plurality of gate lines that are coupled to the switching elements and extend in a first direction; a first light source configured to emit first light having a first maximum emission wavelength; and a second light source configured to emit second light having a second maximum emission wavelength.Type: ApplicationFiled: June 25, 2021Publication date: October 21, 2021Inventors: Hirofumi KATO, Takanori TSUNASHIMA, Makoto UCHIDA, Takashi NAKAMURA, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA