Patents by Inventor Daisuke Hirano
Daisuke Hirano 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: 20240155229Abstract: An image capturing apparatus includes a plurality of pixels, a first amplifier capable of amplifying a signal of each pixel using a plurality of different gains, a second amplifier capable of amplifying the signal of each pixel using a plurality of different gains, with a method different from a method used by the first amplifier; and a control unit that performs control so as to execute one of first processing and second processing based on a shooting mode of the image capturing apparatus, a setting at the time of shooting, or a state of a subject, the first processing causing the first amplifier to amplify the signal of each pixel using a plurality of different gains, the second processing causing the second amplifier to amplify the signal of each pixel using a plurality of different gains.Type: ApplicationFiled: October 31, 2023Publication date: May 9, 2024Inventors: Hiroshi HIRANO, Kosuke MATSUBARA, Toshiharu UEDA, Shohei TOZAWA, Kazuto JIKEI, Fumihito KARAHASHI, Daisuke ITO
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Patent number: 11971674Abstract: A heating device includes a rotator, a heater, a heater holder, and a first high thermal conduction member. The heater includes a base and a plurality of heat generators being arranged on the base and including neighboring heat generators. The heater has a gap area between the neighboring heat generators. The first high thermal conduction member has a higher thermal conductivity than the base and faces the gap area.Type: GrantFiled: January 13, 2022Date of Patent: April 30, 2024Assignee: RICOH COMPANY, LTD.Inventors: Shigeo Nanno, Yasunori Ishigaya, Takahiro Imada, Takumi Waida, Daisuke Hirano
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Patent number: 11946554Abstract: To provide a fluid contact member whose corrosion resistance is particularly further improved than that in the related art. In order to solve this problem, a fluid contact member 10 includes a fluid contact portion 1 configured to be in contact with a fluid, the fluid contact portion 1 has a cobalt-based alloy phase 2 having a dendrite, and a compound phase 3 formed in an arm space of the dendrite and containing chromium carbide, and among a plurality of secondary arms 5 extending from one primary arm 4 constituting the dendrite, an average interval between adjacent secondary arms 5 is 5 ?m or less. At this time, the average interval is preferably 3 ?m or less. Further, the compound phase 3 is preferably formed discontinuously in the dendrite arm space.Type: GrantFiled: November 6, 2019Date of Patent: April 2, 2024Assignee: HITACHI-GE NUCLEAR ENERGY, LTD.Inventors: Hirotsugu Kawanaka, Yoshihisa Kiyotoki, Sei Hirano, Daisuke Hirasawa, Junya Kaneda
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Patent number: 11934126Abstract: A heating device includes a first rotator, a heater including a base and a heat generator, and a second rotator contacting the first rotator. The heat generator adjacent to the base defines a heat generation area having one edge close to one edge of the base in a longitudinal direction of the base. A length between the one edge of the base and the one edge of the heat generation area is longer than a length between the other edge of the base and the other edge of the heat generation area. The second rotator has one edge close to the one edge of the heat generation area. A length between the one edge of the second rotator and the one edge of the heat generation area is shorter than a length between the other edge of the second rotator and the other edge of the heat generation area.Type: GrantFiled: October 11, 2022Date of Patent: March 19, 2024Assignee: RICOH COMPANY, LTD.Inventors: Yasunori Ishigaya, Keitaro Shoji, Tomoya Adachi, Daisuke Hirano
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Patent number: 11912859Abstract: The purpose of the present invention is to provide: an epoxy resin composition capable of giving cured resins which combine flexural modulus with flexural strain on a high level and have excellent heat resistance; a prepreg comprising the epoxy resin composition and reinforcing fibers; and a fiber-reinforced composite material obtained by curing the prepreg and excellent especially in terms of 0° and 90° bending strength. An embodiment of the epoxy resin composition of the present invention for achieving such purpose is an epoxy resin composition which comprises the following components [A], [B], and [C] and satisfies a specific requirement. Component [A]: a trifunctional amine type epoxy resin. Component [B]: a bisphenol F type epoxy resin which is solid at 25° C. Component [C]: an aromatic amine compound.Type: GrantFiled: June 17, 2019Date of Patent: February 27, 2024Assignee: TORAY INDUSTRIES, INC.Inventors: Daisuke Konishi, Yuichi Yamakita, Noriyuki Hirano, Eiki Takahashi
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Patent number: 11914918Abstract: A medical information processing apparatus comprises an obtaining unit that obtains medical information, a learning unit that performs learning on a function of the medical information processing apparatus using the medical information, an evaluation data holding unit that holds evaluation data in which a correct answer to be obtained by executing the function is known, the evaluation data being for evaluating a learning result of the learning unit, an evaluating unit that evaluates a learning result obtained through learning, based on the evaluation data, and an accepting unit that accepts an instruction to apply a learning result of the learning unit to the function.Type: GrantFiled: February 1, 2021Date of Patent: February 27, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Yoshihito Machida, Yoshinori Hirano, Hideaki Miyamoto, Daisuke Yamada
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Patent number: 11906916Abstract: A heating device includes a planar heater, a rotator, a pressure rotator, a heating device frame, a resistor, and a discharger. The pressure rotator has a conductive outer surface and presses the rotator. The heating device frame holds the pressure rotator. The discharger is in contact with the conductive outer surface of the pressure rotator and grounded via the resistor and the heating device frame.Type: GrantFiled: May 9, 2022Date of Patent: February 20, 2024Assignee: Ricoh Company, Ltd.Inventors: Yuusuke Furuichi, Hiroshi Seo, Tomoya Adachi, Daisuke Hirano
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Publication number: 20230266699Abstract: A conveyance device to convey a recording medium includes a heater, a first temperature detector, a second temperature detector, and a recording medium detector. The heater heats the recording medium. The first temperature detector and the second temperature detector detect a temperature of the heater. The recording medium detector detects the recording medium. The first temperature detector is disposed at a position farther from a center position of a heating region of the heater than the second temperature detector in a conveyance orthogonal direction. The conveyance orthogonal direction is along a surface of the recording medium and orthogonal to a direction in which the recording medium is conveyed. The recording medium detector is disposed on a side opposite to the first temperature detector with respect to the second temperature detector in the conveyance orthogonal direction.Type: ApplicationFiled: February 13, 2023Publication date: August 24, 2023Applicant: Ricoh Company Ltd.Inventors: Keitaro Shoji, Yasunori Ishigaya, Daisuke Hirano
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Publication number: 20230229101Abstract: A heater control device includes a triac connected in series between an alternating-current power supply and a heater, the triac including a first main electrode, a second main electrode, and a gate electrode; a phototriac coupler configured to transmit a heater trigger signal to the gate electrode of the triac; a first resistor and a second resistor each of which is connected in series to the phototriac coupler and configured to limit current in accordance with a phase control enable signal indicative of a period of phase control; and a resistor selection circuit configured to select one of the first resistor and the second resistor and connect the selected resistor to the second main electrode of the triac. The first resistor and the second resistor have different rated powers and different breakabilities from each other.Type: ApplicationFiled: December 2, 2022Publication date: July 20, 2023Applicant: Ricoh Company, Ltd.Inventors: Haruo Shida, Tsuyoshi Endoh, Daisuke Hirano
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Publication number: 20230205118Abstract: A heating device includes a first rotator, a heater including a base and a heat generator, and a second rotator contacting the first rotator. The heat generator adjacent to the base defines a heat generation area having one edge close to one edge of the base in a longitudinal direction of the base. A length between the one edge of the base and the one edge of the heat generation area is longer than a length between the other edge of the base and the other edge of the heat generation area. The second rotator has one edge close to the one edge of the heat generation area. A length between the one edge of the second rotator and the one edge of the heat generation area is shorter than a length between the other edge of the second rotator and the other edge of the heat generation area.Type: ApplicationFiled: October 11, 2022Publication date: June 29, 2023Inventors: Yasunori ISHIGAYA, Keitaro SHOJI, Tomoya ADACHI, Daisuke HIRANO
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Patent number: 11687020Abstract: A heating device includes a heating rotator, a pressure rotator, a planar heater, and a holder. The pressure rotator is configured to press against the fixing rotator to form a nip through which the recording medium is conveyed. The planar heater includes a plurality of heat generators arranged side by side and at least one separation region between the plurality of heat generators. The holder holds the planar heater and contacts the planar heater in a pressure direction in which the pressure rotator presses the heating rotator. The holder includes at least one clearance structure configured to cause a contact area between the planar heater and a portion of the holder corresponding to the at least one separation region to be smaller than a contact area between the planar heater and a portion of the holder not corresponding to the at least one separation region.Type: GrantFiled: October 14, 2021Date of Patent: June 27, 2023Assignee: Ricoh Company, Ltd.Inventors: Takahiro Imada, Yasunori Ishigaya, Shigeo Nanno, Takumi Waida, Daisuke Hirano
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Publication number: 20220382191Abstract: A heating device includes a planar heater, a rotator, a pressure rotator, a heating device frame, a resistor, and a discharger. The pressure rotator has a conductive outer surface and presses the rotator. The heating device frame holds the pressure rotator. The discharger is in contact with the conductive outer surface of the pressure rotator and grounded via the resistor and the heating device frame.Type: ApplicationFiled: May 9, 2022Publication date: December 1, 2022Applicant: Ricoh Company, Ltd.Inventors: Yuusuke FURUICHI, Hiroshi SEO, Tomoya ADACHI, Daisuke HIRANO
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Publication number: 20220291615Abstract: A heating device includes a rotator, a heater, a heater holder, and a first high thermal conduction member. The heater includes a base and a plurality of heat generators being arranged on the base and including neighboring heat generators. The heater has a gap area between the neighboring heat generators. The first high thermal conduction member has a higher thermal conductivity than the base and faces the gap area.Type: ApplicationFiled: January 13, 2022Publication date: September 15, 2022Inventors: Shigeo NANNO, Yasunori ISHIGAYA, Takahiro IMADA, Takumi WAIDA, Daisuke HIRANO
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Patent number: 11423772Abstract: A center device is used in a probe center that collects information from a plurality of vehicles, and functions as an anomaly detector detecting anomaly of travel environment caused on a road. The center device obtains drive data from a vehicle, and determines a probability of anomaly resolution regarding anomaly in a travel environment caused on the road, based on the obtained drive data. The center device, upon determining that anomaly may possibly be resolvable, obtains image data used for a situation determination of an abnormal area, and also obtains a determination result of anomaly resolution based on the image data.Type: GrantFiled: January 14, 2020Date of Patent: August 23, 2022Assignee: DENSO CORPORATIONInventors: Kazuhito Takenaka, Hideaki Misawa, Daisuke Hirano
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Publication number: 20220252453Abstract: A coherent light source outputs coherent light including high-order harmonics obtained by irradiating short-pulse laser light to a nonlinear medium. A spectrometer includes a grating that diffracts the coherent light and an image sensor that measures an image of the diffracted light. In a first state, a first double slit having a pair of apertures spaced apart in a first direction is arranged at a predetermined position between coherent light source and an incident slit of spectrometer. In a second state, a second double slit that is a replica of first double slit is arranged at the predetermined position as a replacement of first double slit with a sample held in one aperture. A calculation processing device calculates optical constants of the sample based on interference images measured in the first and second states.Type: ApplicationFiled: February 15, 2022Publication date: August 11, 2022Inventors: Daisuke HIRANO, Makoto GONOKAMI, Kosuke YOSHIOKA
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Publication number: 20220155712Abstract: A heating device includes a heating rotator, a pressure rotator, a planar heater, and a holder. The pressure rotator is configured to press against the fixing rotator to form a nip through which the recording medium is conveyed. The planar heater includes a plurality of heat generators arranged side by side and at least one separation region between the plurality of heat generators. The holder holds the planar heater and contacts the planar heater in a pressure direction in which the pressure rotator presses the heating rotator. The holder includes at least one clearance structure configured to cause a contact area between the planar heater and a portion of the holder corresponding to the at least one separation region to be smaller than a contact area between the planar heater and a portion of the holder not corresponding to the at least one separation region.Type: ApplicationFiled: October 14, 2021Publication date: May 19, 2022Applicant: Ricoh Company, Ltd.Inventors: Takahiro IMADA, Yasunori ISHIGAYA, Shigeo NANNO, Takumi WAIDA, Daisuke HIRANO
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Publication number: 20210284197Abstract: In an accident pattern determination apparatus including a storage storing attributes assigned to respective ones of a plurality of predefined traffic situations, an acquirer acquires, for each of vehicle-related accident cases, an accident pattern that is a combination of traffic situations in the accident case, from the plurality of predefined traffic situations. A determiner determines, for each accident pattern acquired by the acquirer, whether the accident pattern is an accident pattern of high accident risk or an accident pattern of low accident risk for specific vehicles, based on the accident patterns acquired for the respective accident cases and the attributes assigned to respective ones of the plurality of predefined traffic situations.Type: ApplicationFiled: March 8, 2021Publication date: September 16, 2021Inventors: Masataka MORI, Kenji MUTO, Kazuhito TAKENAKA, Daisuke HIRANO, Suguru YAMAZAKI, Yoshinori TAKEUCHI, Shun SHIMIZU
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Publication number: 20200226920Abstract: A center device is used in a probe center that collects information from a plurality of vehicles, and functions as an anomaly detector detecting anomaly of travel environment caused on a road. The center device obtains drive data from a vehicle, and determines a probability of anomaly resolution regarding anomaly in a travel environment caused on the road, based on the obtained drive data. The center device, upon determining that anomaly may possibly be resolvable, obtains image data used for a situation determination of an abnormal area, and also obtains a determination result of anomaly resolution based on the image data.Type: ApplicationFiled: January 14, 2020Publication date: July 16, 2020Inventors: Kazuhito TAKENAKA, Hideaki MISAWA, Daisuke HIRANO
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Publication number: 20200033752Abstract: A powder amount detector is configured to detect an amount of powder in a powder container. The powder amount detector includes a pair of electrodes configured to detect capacitance between the pair of electrodes to detect the amount of powder. The pair of electrodes is flat plate electrodes disposed outside and across the powder container in parallel.Type: ApplicationFiled: June 21, 2019Publication date: January 30, 2020Inventors: Tatsuya Kubo, Junichi Matsumoto, Hiroaki Okamoto, Shuntaroh Tamaki, Masashi Hommi, Daisuke Hirano
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Patent number: 9987278Abstract: Provided are a pharmaceutical composition for treating an FLT3 mutation-positive cancer; a mutant FLT3 inhibitor; and uses thereof.Type: GrantFiled: February 17, 2017Date of Patent: June 5, 2018Assignee: FUJIFILM CorporationInventors: Tomoki Naoe, Hitoshi Kiyoi, Shinji Hagiwara, Masaru Takasaki, Daisuke Hirano, Toshiyuki Nakatani, Takeshi Yamaura