Patents by Inventor Masahiro Kanda

Masahiro Kanda 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).

  • Patent number: 12091498
    Abstract: Provided is an optical resin composition for lenses that contains a resin having a structural unit represented by formula (1), and a binaphthalene compound and/or a binaphthalene compound oligomer having a structural unit represented by formula (2). A, p, K1, K2, Z, and q in formula (1) are as described in the present specification. R1-R10, a, and b in formula (2) are as described in the present specification.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 17, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Mitsutake Suematsu, Atsushi Motegi, Kentaro Ishihara, Katsushi Nishimori, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Kensuke Oshima, Masahiro Kanda, Shoko Suzuki, Tatsunobu Ogata
  • Patent number: 12031760
    Abstract: A freezing device including a compressor that compresses sucked refrigerant using a compression mechanism and discharges compressed refrigerant includes a compressor, an inverter, and a controller. The compressor includes a motor, a low pressure unit, a compression space, a high pressure unit, a communication flow path, and a flow control valve. The inverter drives or stops the motor. The controller controls the inverter and the flow control valve. The controller performs, in stop control in which an operation of the compressor is stopped, braking control in which driving of the compression mechanism is prevented or suppressed, and pressure equalization control in which pressure in the high pressure unit is equalized with pressure in the low pressure unit.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 9, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masahiro Kanda, Masaaki Kamikawa, Shun Okada
  • Publication number: 20240141895
    Abstract: In a screw compressor, on a bearing side relative to a discharge port of a compression chamber in a casing, an intermediate-pressure chamber to which an intermediate-pressure coolant is supplied from outside of the casing is provided in a high-pressure space surrounded by an outer cylinder and an intermediate cylinder of the casing and communicating with the discharge port, and the intermediate-pressure coolant has a temperature and a pressure that are lower than those of a coolant in the high-pressure space and higher than a coolant in a low-pressure space on a motor side relative to the discharge port in the casing. The intermediate-pressure chamber and the low-pressure space communicate with each other.
    Type: Application
    Filed: May 25, 2022
    Publication date: May 2, 2024
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takao MITSUI, Masahiro KANDA, Naoya MITSUNARI
  • Patent number: 11960056
    Abstract: Provided is an optical lens formed by integrally molding a lens part that is an optically effective portion and has a light incidence/emission surface, and a lens edge part that is an optically ineffective portion and has a surface thereof except the light incidence/emission surface. The lens edge part includes a non-transparent region in part or all thereof, the lens part and the lens edge part include a thermoplastic resin, and the non-transparent region in the lens edge part contains a total of 0.1-5 mass % of one or more of a black dye and a black pigment.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Motegi, Kentaro Ishihara, Katsushi Nishimori, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Kensuke Oshima, Masahiro Kanda, Shoko Suzuki, Tatsunobu Ogata, Mitsutake Suematsu
  • Patent number: 11802563
    Abstract: A screw compressor has a slide valve movement mechanism that includes a cylinder provided in a casing body, a piston partitioning an interior of the cylinder into a first chamber and a second chamber, and a communication flow passage through which the second chamber communicates with a low-pressure space. The cylinder includes a first inflow hole, a second inflow hole, and a third inflow hole. The first chamber communicates with a high-pressure space through the first inflow hole, the second chamber communicates with the low-pressure space through the second inflow hole and the communication flow passage, and the second chamber communicates with the high-pressure space through the third inflow hole. The third inflow hole is located at a position at which the third inflow hole is closed by the piston when the piston lies at a stop position at which the piston moves toward the second chamber and stops.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: October 31, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masahiro Kanda, Shun Okada
  • Publication number: 20230295373
    Abstract: A thermoplastic resin composition for an optical material is provided. The thermoplastic resin composition contains a compounding agent represented by general formula (1). (In general formula (1), R1 to R5 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; R6 to R9 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; and R10 represents a hydrogen atom, or an alkyl group having 1 to carbon atoms in total.
    Type: Application
    Filed: August 11, 2021
    Publication date: September 21, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki KATO, Katsushi NISHIMORI, Shinya IKEDA, Atsushi MOTEGI, Shoko MURATA SUZUKI, Noriaki OCHI, Masahiro KANDA, Masayuki NAGAI, Takami MORISHITA, Shinichi IKEDA
  • Publication number: 20230184475
    Abstract: A refrigeration cycle apparatus comprises: a refrigerant cycle circuit, a condenser, a pressure-reducing device and an evaporator are sequentially connected by pipes; an injection circuit that branches off from the refrigerant cycle circuit between the condenser and the pressure-reducing device and is connected to the injection flow passage; a flow rate control device provided in the injection circuit or the injection flow passage; and a controller configured to control the flow rate control device. At a time of starting up the compressor, the controller, controls regardless of a temperature of refrigerant discharged from the compressor, the flow rate control device so as to supply refrigerant liquid to the compression chamber via the injection circuit and the injection flow passage until an operating capacity of the compressor reaches a preset operating capacity or until a preset time elapses after starting up the compressor.
    Type: Application
    Filed: August 26, 2020
    Publication date: June 15, 2023
    Inventors: Shun OKADA, Masaaki KAMIKAWA, Masahiro KANDA
  • Publication number: 20220349404
    Abstract: A screw compressor has a slide valve movement mechanism having a cylinder provided in a casing body, a piston partitioning an interior of the cylinder into a first chamber and a second chamber, and a communication flow passage through which the second chamber communicates with a low-pressure space. The cylinder is provided with a first inflow hole, a second inflow hole, and a third inflow hole, the first chamber communicating with a high-pressure space through the first inflow hole, the second chamber communicating with the low-pressure space through the second inflow hole and the communication flow passage, the second chamber communicating with the high-pressure space through the third inflow hole. The third inflow hole is located at a position at which the third inflow hole is closed by the piston when the piston lies at a stop position at which the piston moves toward the second chamber and stops.
    Type: Application
    Filed: November 26, 2019
    Publication date: November 3, 2022
    Inventors: Masahiro KANDA, Shun OKADA
  • Publication number: 20220235987
    Abstract: A freezing device including a compressor that compresses sucked refrigerant using a compression mechanism and discharges compressed refrigerant includes a compressor, an inverter, and a controller. The compressor includes a motor, a low pressure unit, a compression space, a high pressure unit, a communication flow path, and a flow control valve. The inverter drives or stops the motor. The controller controls the inverter and the flow control valve. The controller performs, in stop control in which an operation of the compressor is stopped, braking control in which driving of the compression mechanism is prevented or suppressed, and pressure equalization control in which pressure in the high pressure unit is equalized with pressure in the low pressure unit.
    Type: Application
    Filed: June 17, 2019
    Publication date: July 28, 2022
    Inventors: Masahiro KANDA, Masaaki KAMIKAWA, Shun OKADA
  • Patent number: 11306180
    Abstract: Provided are a polycarbonate having an appropriate refractive index and an appropriate Abbe number, and comprehensively excelling in heat resistance, total light transmittance, and hue, and a molded article thereof. The polycarbonate includes a constituent unit represented by Formula [I] and a constituent unit having a hydrocarbon group containing a cyclic structure. In Formula [I], R1 and R2 each independently denote a hydrocarbon group, and each R3 independently denotes a hydrogen atom, a heteroatom-containing group, a halogen atom-containing group, a linear alkyl group having from 1 to 6 carbon atoms, a branched alkyl group having from 3 to 6 carbon atoms, or a group including an aryl group and having from 6 to 12 carbon atoms.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: April 19, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Shoko Suzuki, Kensuke Oshima, Shuya Nagayama, Masahiro Kanda
  • Publication number: 20220106483
    Abstract: A thermoplastic resin composition that cuts visible light and has infrared light transmittance. A thermoplastic resin composition including a thermoplastic resin and a coloring material, wherein the refractive index at a wavelength of 894 nm is 1.60 or greater, and when the thickness of the thermoplastic resin composition is 1 mm, the maximum value of the transmittance of wavelengths of 380 nm-630 nm is greater than 0% and less than or equal to 1.00%, and the average transmittance of wavelengths of 840 nm-940 nm is greater than or equal to 80%.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 7, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi MOTEGI, Kentaro ISHIHARA, Katsushi NISHIMORI, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Kensuke OSHIMA, Masahiro KANDA, Shoko SUZUKI, Tatsunobu OGATA, Mitsutake SUEMATSU
  • Publication number: 20220082099
    Abstract: A screw compressor includes an internal-volume-ratio variable mechanism including a variable Vi valve configured to make a Vi value being an internal volume ratio variable. The screw compressor controls a position of the variable Vi valve in two stages. The position of the variable Vi valve when the Vi value is set to be large is set to attain a Vi value with which a compressor efficiency during operation under a predetermined high-load condition or a predetermined high-compression-ratio condition is equal to or higher than a set efficiency set in advance.
    Type: Application
    Filed: March 1, 2019
    Publication date: March 17, 2022
    Inventors: Shun OKADA, Masaaki KAMIKAWA, Masahiro KANDA
  • Publication number: 20220043183
    Abstract: Provided is an optical lens formed by integrally molding a lens part that is an optically effective portion and has a light incidence/emission surface, and a lens edge part that is an optically ineffective portion and has a surface thereof except the light incidence/emission surface. The lens edge part includes a non-transparent region in part or all thereof, the lens part and the lens edge part include a thermoplastic resin, and the non-transparent region in the lens edge part contains a total of 0.1-5 mass % of one or more of a black dye and a black pigment.
    Type: Application
    Filed: December 24, 2019
    Publication date: February 10, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi MOTEGI, Kentaro ISHIHARA, Katsushi NISHIMORI, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Kensuke OSHIMA, Masahiro KANDA, Shoko SUZUKI, Tatsunobu OGATA, Mitsutake SUEMATSU
  • Publication number: 20220025110
    Abstract: Provided is an optical resin composition for lenses that contains a resin having a structural unit represented by formula (1), and a binaphthalene compound and/or a binaphthalene compound oligomer having a structural unit represented by formula (2). A, p, K1, K2, Z, and q in formula (1) are as described in the present specification. R1-R10, a, and b in formula (2) are as described in the present specification.
    Type: Application
    Filed: December 23, 2019
    Publication date: January 27, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Mitsutake SUEMATSU, Atsushi MOTEGI, Kentaro ISHIHARA, Katsushi NISHIMORI, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Kensuke OSHIMA, Masahiro KANDA, Shoko SUZUKI, Tatsunobu OGATA
  • Publication number: 20210054143
    Abstract: Provided are a polycarbonate having an appropriate refractive index and an appropriate Abbe number, and comprehensively excelling in heat resistance, total light transmittance, and hue, and a molded article thereof. The polycarbonate includes a constituent unit represented by Formula [I] and a constituent unit having a hydrocarbon group containing a cyclic structure. In Formula [I], R1 and R2 each independently denote a hydrocarbon group, and each R3 independently denotes a hydrogen atom, a heteroatom-containing group, a halogen atom-containing group, a linear alkyl group having from 1 to 6 carbon atoms, a branched alkyl group having from 3 to 6 carbon atoms, or a group including an aryl group and having from 6 to 12 carbon atoms.
    Type: Application
    Filed: March 8, 2019
    Publication date: February 25, 2021
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Munenori SHIRATAKE, Kentaro ISHIHARA, Koji HIROSE, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Shoko SUZUKI, Kensuke OSHIMA, Shuya NAGAYAMA, Masahiro KANDA
  • Patent number: 10781151
    Abstract: A method for producing a hydrofluoroolefin is provided. The formation of by-products of an over-reduced product having hydrogen added to a material chlorofluoroolefin and an over-reduced product having not only chlorine atoms but also fluorine atoms in the chlorofluoroolefin replaced with hydrogen atoms is suppressed in the method. The method includes reacting a specific chlorofluoroolefin with hydrogen in the presence of a catalyst supported on a carrier to obtain the hydrofluoroolefin. The catalyst is a catalyst composed of an alloy containing at least one platinum group element of palladium and platinum, and at least one second element of copper, gold, lithium, potassium, silver, zinc, tin, lead, and bismuth.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 22, 2020
    Assignee: AGC Inc.
    Inventors: Shinji Terazono, Xu Wang, Masahiro Kanda, Satoshi Kawaguchi, Mitsugu Kasagawa
  • Patent number: 10767605
    Abstract: A heat exchanger includes: a stack formed by stacking a plurality of tubes through which gas flow; a tubular inner tank in which the stack is housed; and a tubular outer tank that is mounted on the outside of the inner tank so as to define an inner space between the outer tank and an outer peripheral surface of the inner tank. Each of both end portions of the tubes has a thickness greater than each of middle portions of the tubes. The both end portions of the tubes adjacent to each other in the stack are joined together so as to form a clearance between the middle portions of the adjacent tubes in the stack. Outer peripheries of both end portions of the stack are joined to an inner peripheral surface of the inner tank. An introduction hole for introducing a cooling medium is formed in the outer tank.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 8, 2020
    Assignee: TOKYO ROKI CO., LTD.
    Inventors: Tatsuto Yamada, Hajime Fujiki, Ryota Niimura, Yusuke Sakata, Masahiro Kanda
  • Publication number: 20190331067
    Abstract: A heat exchanger includes: a stack formed by stacking a plurality of tubes through which gas flow; a tubular inner tank in which the stack is housed; and a tubular outer tank that is mounted on the outside of the inner tank so as to define an inner space between the outer tank and an outer peripheral surface of the inner tank. Each of both end portions of the tubes has a thickness greater than each of middle portions of the tubes. The both end portions of the tubes adjacent to each other in the stack are joined together so as to form a clearance between the middle portions of the adjacent tubes in the stack. Outer peripheries of both end portions of the stack are joined to an inner peripheral surface of the inner tank. An introduction hole for introducing a cooling medium is formed in the outer tank.
    Type: Application
    Filed: December 20, 2016
    Publication date: October 31, 2019
    Applicant: TOKYO ROKI CO., LTD.
    Inventors: Tatsuto Yamada, Hajime Fujiki, Ryota Niimura, Yusuke Sakata, Masahiro Kanda
  • Publication number: 20180251414
    Abstract: A method for producing a hydrofluoroolefin is provided. The formation of by-products of an over-reduced product having hydrogen added to a material chlorofluoroolefin and an over-reduced product having not only chlorine atoms but also fluorine atoms in the chlorofluoroolefin replaced with hydrogen atoms is suppressed in the method. The method includes reacting a specific chlorofluoroolefin with hydrogen in the presence of a catalyst supported on a carrier to obtain the hydrofluoroolefin. The catalyst is a catalyst composed of an alloy containing at least one platinum group element of palladium and platinum, and at least one second element of copper, gold, lithium, potassium, silver, zinc, tin, lead, and bismuth.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Applicant: Asahi Glass Company, Limited
    Inventors: Shinji TERAZONO, Xu Wang, Masahiro Kanda, Satoshi Kawaguchi, Mitsugu Kasagawa
  • Patent number: 9988327
    Abstract: A method for producing a hydrofluoroolefin is provided. The formation of by-products of an over-reduced product having hydrogen added to a material chlorofluoroolefin and an over-reduced product having not only chlorine atoms but also fluorine atoms in the chlorofluoroolefin replaced with hydrogen atoms is suppressed in the method. The method includes reacting a specific chlorofluoroolefin with hydrogen in the presence of a catalyst supported on a carrier to obtain the hydrofluoroolefin. The catalyst is a catalyst composed of an alloy containing at least one platinum group element of palladium and platinum, and at least one second element of manganese, copper, aluminum, gold, lithium, sodium, potassium, magnesium, silver, zinc, cadmium, indium, silicon, germanium, tin, lead, arsenic, antimony, and bismuth.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: June 5, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Shinji Terazono, Xu Wang, Masahiro Kanda, Satoshi Kawaguchi, Mitsugu Kasagawa