Patents by Inventor Fumiyasu Utsunomiya
Fumiyasu Utsunomiya 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: 20240004099Abstract: A power generation sensor, generating electric power using a liquid, includes: a base; a positive electrode for power generation disposed in a first direction of the base and containing a first material; a negative electrode for power generation disposed in the first direction and containing a second material; a first connector electrode connected to a one-side end of the positive electrode in the first direction and to a sensor module; and a second connector electrode connected to a one-side end of the negative electrode in the first direction and to the sensor module. The first connector electrode contains the first material and has a larger width in a second direction orthogonal to the first direction than the positive electrode in the second direction. The second connector electrode contains the second material and has a larger width in the second direction than the negative electrode in the second direction.Type: ApplicationFiled: June 7, 2023Publication date: January 4, 2024Applicants: The Ritsumeikan Trust, ABLIC Inc.Inventors: Takakuni DOUSEKI, Ami TANAKA, Shiyuya IMOTO, Fumiyasu UTSUNOMIYA
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Publication number: 20240003718Abstract: A power generation sensor includes: a housing body in which a module receiving a generated power is housed; a module with a first connector electrode disposed on a front face; a second connector electrode disposed on an inner face of the housing body connected to the first connector electrode; and a power generation electrode connected to the second connector electrode.Type: ApplicationFiled: May 26, 2023Publication date: January 4, 2024Applicants: The Ritsumeikan Trust, ABLIC Inc.Inventors: Takakuni DOUSEKI, Ami TANAKA, Shiyuya IMOTO, Fumiyasu UTSUNOMIYA
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Patent number: 11855638Abstract: According to the present invention, an optical latch circuit includes a voltage detector configured to compare a first power generation voltage input from a first input terminal with a preset first threshold voltage and output a set signal from a determination output terminal when the first power generation voltage exceeds the first threshold voltage, a first photovoltaic element connected between the first input terminal and a grounding point in a forward direction and configured to output a first power generation voltage to the first input terminal according to photovoltaic power when light is radiated, and a feedback resistor inserted between the first input terminal and the determination output terminal.Type: GrantFiled: January 22, 2020Date of Patent: December 26, 2023Assignees: Seiko Group Corporation, ABLIC INCInventors: Ryosuke Isogai, Yoshifumi Yoshida, Fumiyasu Utsunomiya
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Patent number: 11848571Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained by weak radio waves is provided.Type: GrantFiled: February 26, 2021Date of Patent: December 19, 2023Assignees: SEIKO GROUP CORPORATION, ABLIC INC.Inventors: Yoshifumi Yoshida, Noboru Kawai, Fumiyasu Utsunomiya
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Publication number: 20230170802Abstract: An electronic device with a boost circuit includes: a first capacitor including a first terminal connected to an input terminal and a second terminal connected to a reference potential terminal; a first rectification element; a second capacitor including a first terminal connected to the first terminal of the first capacitor through the first rectification element and a second terminal connected to the reference potential terminal; a voltage detection circuit including a voltage detection terminal connected to the first terminal of the second capacitor and a detection signal output terminal; and a boost circuit including a detection signal input terminal connected to the detection signal output terminal, a boost power input terminal connected to the first terminal of the first capacitor, and a boost power output terminal connected to a node between the first terminal of the second capacitor and the voltage detection terminal.Type: ApplicationFiled: December 1, 2022Publication date: June 1, 2023Applicant: ABLIC Inc.Inventors: Fumiyasu UTSUNOMIYA, Takakuni DOUSEKI, Ami TANAKA
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Publication number: 20230157903Abstract: Provided is a sensor having different sensitivities depending on the positions. A sensor 1 is a sensor for detecting the presence of a liquid, and includes a first electrode 11 and a second electrode 12. The first electrode and the second electrode each have a thread-like or band-like structure, and are arranged side by side in a direction intersecting a longitudinal direction. At least one of the first electrode and the second electrode includes a first portion 111 having a first surface area at a first position in the longitudinal direction, and includes a second portion 112 having a second surface area larger than the first surface area at a second position in the longitudinal direction different from the first position.Type: ApplicationFiled: October 2, 2022Publication date: May 25, 2023Applicant: ABLIC Inc.Inventors: Fumiyasu UTSUNOMIYA, Ami TANAKA, Takakuni DOUSEKI, Shiyuya IMOTO
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Publication number: 20230139575Abstract: Provided is a sensor device being a signal processing device, including: a capacitor; a sensor unit configured to wirelessly transmit, in a case in which electric power of a predetermined amount or more is accumulated in the capacitor, a first signal (SG1) through use of the electric power accumulated in the capacitor; a reception unit configured to receive a radio wave transmitted from a power transmission device being an external device; and a transmission antenna functioning as a second transmission unit, the transmission antenna being configured to wirelessly transmit, in response to reception of the radio wave, a response signal (SG3) being a second signal generated based on the received radio wave without using the electric power accumulated in the capacitor.Type: ApplicationFiled: October 27, 2022Publication date: May 4, 2023Inventors: Fumiyasu Utsunomiya, Takakuni Douseki, Hisashi Nishikawa, Fumiya Nishimura, Yuichiro Hirai, Ami Tanaka
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Publication number: 20230130291Abstract: Provided is a battery-less sensor circuit including a power generation element, a first switching element, a voltage control circuit, a first storage capacitor, a sensor circuit, and a load. The power generation element is connected to the first storage capacitor via the first switching element. A power supply terminal of the sensor circuit is connected to an input terminal of the first switching element. The voltage control circuit is configured to control a current passing through the first switching element through reception of a voltage of the input terminal of the first switching element. The load is connected to the first storage capacitor and the sensor circuit.Type: ApplicationFiled: October 25, 2022Publication date: April 27, 2023Inventors: Fumiyasu UTSUNOMIYA, Takakuni DOUSEKI, Ami TANAKA, Yasuhiro HIRAGA, Shunta FURUMURA
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Patent number: 11632047Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained using weak radio waves is provided.Type: GrantFiled: February 24, 2021Date of Patent: April 18, 2023Assignees: SEIKO GROUP CORPORATION, ABLIC INC.Inventors: Yoshifumi Yoshida, Noboru Kawai, Fumiyasu Utsunomiya
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Publication number: 20220352877Abstract: According to the present invention, an optical latch circuit includes a voltage detector configured to compare a first power generation voltage input from a first input terminal with a preset first threshold voltage and output a set signal from a determination output terminal when the first power generation voltage exceeds the first threshold voltage, a first photovoltaic element connected between the first input terminal and a grounding point in a forward direction and configured to output a first power generation voltage to the first input terminal according to photovoltaic power when light is radiated, and a feedback resistor inserted between the first input terminal and the determination output terminal.Type: ApplicationFiled: January 22, 2020Publication date: November 3, 2022Inventors: Ryosuke ISOGAI, Yoshifumi YOSHIDA, Fumiyasu UTSUNOMIYA
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Patent number: 11480464Abstract: Provided is an optical sensor including: a first photodetector including a first photodiode and having a first wavelength sensitivity characteristic; a first resistor having one end connected to a cathode of the first photodiode, and another end connected to a ground point; a second photodetector including a second photodiode and having a second wavelength sensitivity characteristic; a second resistor having one end connected to a cathode of the second photodiode, and another end connected to the ground point; and an amplifier circuit having a first input terminal connected to the first photodiode, a second input terminal connected to the second photodiode, and an output terminal configured to output a potential based on a potential of the first input terminal and a potential of the second input terminal, and using, as an operating power supply, electric power generated by electromotive force of the first photodetector and the second photodetector.Type: GrantFiled: October 28, 2020Date of Patent: October 25, 2022Assignee: ABLIC INC.Inventors: Fumiyasu Utsunomiya, Takakuni Douseki, Ami Tanaka
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Publication number: 20220318472Abstract: A simulation device includes: a model creation unit configured to create a simulation model of a test circuit, the test circuit including a boost circuit configured to receive power from a power generation element and output, to a load circuit, a boosted power obtained by boosting the received power, the power generation element being able to output a power smaller than power consumption of a load circuit, a capacitor provided between the power generation element and the boost circuit and configured to accumulate charge based on the received power from the power generation element and operate the boost circuit for a certain period of time by the accumulated charge, and at least one of the power generation element or the load circuit; and a simulation unit configured to simulate, based on the simulation model, at least one of (A) a charging operation of the capacitor or (B) a discharging operation from the capacitor in the test circuit.Type: ApplicationFiled: March 28, 2022Publication date: October 6, 2022Inventors: Fumiyasu UTSUNOMIYA, Yusuke TAKEUCHI, Yasuyuki MIYAHARA, Ken ARAI
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Publication number: 20220302829Abstract: An electronic device including a boost circuit includes a first boost circuit, a first output circuit, a load, a first storage capacitor, a second storage capacitor, and an input terminal, wherein the input terminal is connected to the first storage capacitor and the first boost circuit, the second storage capacitor is connected to the first boost circuit and the first output circuit, and the load is connected to the first output circuit.Type: ApplicationFiled: March 15, 2022Publication date: September 22, 2022Inventors: Fumiyasu UTSUNOMIYA, Takakuni DOUSEKI, Ami TANAKA
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Patent number: 11329514Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained using weak radio waves is provided.Type: GrantFiled: February 26, 2021Date of Patent: May 10, 2022Assignees: SEIKO HOLDINGS KABUSHIKI KAISHA, ABLIC INC.Inventors: Yoshifumi Yoshida, Noboru Kawai, Fumiyasu Utsunomiya
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Patent number: 11310971Abstract: A plant cultivation system includes: a first sensor configured to output a sensor signal corresponding to an amount of water in a plant; a second sensor configured to output a sensor signal corresponding to a measurement value of an environment condition; and a controller, wherein the controller is configured to, by using a sensor signal from the first sensor obtained by the first sensor measuring a plant to be cultivated and a sensor signal from the second sensor obtained by the second sensor measuring an environment for cultivating the plant to be cultivated, control a specific environment parameter corresponding to the environment condition and measured by the second sensor, in a cultivation environment for the plant to be cultivated.Type: GrantFiled: February 17, 2021Date of Patent: April 26, 2022Assignees: The Ritsumeikan Trust, ABLIC Inc.Inventors: Takakuni Douseki, Ami Tanaka, Syuuichi Okamoto, Ryoma Furumori, Fumiyasu Utsunomiya
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Patent number: 11249504Abstract: Provided is a current generation circuit including a first terminal to be connected to a first external circuit; a second terminal to be connected to a second external circuit; a first resistor in which a potential is generated by the first external circuit connected through the first terminal; a second resistor in which a potential is generated by the second external circuit connected through the second terminal; a first amplifier circuit including a first positive input terminal to which the potential generated in the first resistor is supplied, and a first negative input terminal to which the potential generated in the second resistor is supplied; and a first MOS transistor having a gate connected to an output terminal of the first amplifier circuit, a source connected to the first negative input terminal, and a drain connected to a first differential current terminal.Type: GrantFiled: February 20, 2020Date of Patent: February 15, 2022Assignee: ABLIC INC.Inventor: Fumiyasu Utsunomiya
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Publication number: 20210281116Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained by weak radio waves is provided.Type: ApplicationFiled: February 26, 2021Publication date: September 9, 2021Inventors: Yoshifumi YOSHIDA, Noboru KAWAI, Fumiyasu UTSUNOMIYA
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Publication number: 20210281176Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained using weak radio waves is provided.Type: ApplicationFiled: February 24, 2021Publication date: September 9, 2021Inventors: Yoshifumi YOSHIDA, Noboru KAWAI, Fumiyasu UTSUNOMIYA
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Publication number: 20210281115Abstract: A convenient electronic circuit in which a switch is able to be switched through electric power obtained using weak radio waves is provided.Type: ApplicationFiled: February 26, 2021Publication date: September 9, 2021Inventors: Yoshifumi YOSHIDA, Noboru KAWAI, Fumiyasu UTSUNOMIYA
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Publication number: 20210251160Abstract: A plant cultivation system includes: a first sensor configured to output a sensor signal corresponding to an amount of water in a plant; a second sensor configured to output a sensor signal corresponding to a measurement value of an environment condition; and a controller, wherein the controller is configured to, by using a sensor signal from the first sensor obtained by the first sensor measuring a plant to be cultivated and a sensor signal from the second sensor obtained by the second sensor measuring an environment for cultivating the plant to be cultivated, control a specific environment parameter corresponding to the environment condition and measured by the second sensor, in a cultivation environment for the plant to be cultivated.Type: ApplicationFiled: February 17, 2021Publication date: August 19, 2021Applicants: The Ritsumeikan Trust, ABLIC Inc.Inventors: Takakuni DOUSEKI, Ami TANAKA, Syuuichi OKAMOTO, Ryoma FURUMORI, Fumiyasu UTSUNOMIYA