Patents by Inventor Shinya Ikeda

Shinya Ikeda 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).

  • 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: 20230235117
    Abstract: Provided is a resin composition that is highly fluid and has good moldability, and that has excellent optical properties. More specifically, provided is a resin composition that contains a thermoplastic resin and a specific compounding agent containing a naphthalene structure and/or a fluorene structure.
    Type: Application
    Filed: June 18, 2021
    Publication date: July 27, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Mitsutake SUEMATSU, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Katsushi NISHIMORI
  • Publication number: 20230236340
    Abstract: An optical film is provided in which a wavelength dispersion characteristic at a wavelength of 400 nm to 800 nm satisfies the following general formula (1): ? ? ? ? ? 5 ? 5 ? 0 = a ? ? - b ( 1 ) wherein a has a value of 1500<a<6600, b has a value of 1.17<b<1.27, ?? represents a photoelastic coefficient at an arbitrary wavelength ? nm in a range of 400 nm to 800 nm, and ?550 represents a photoelastic coefficient at a wavelength of 550 nm and which has a thickness of 10 m to 1000 m, can be provided.
    Type: Application
    Filed: July 9, 2021
    Publication date: July 27, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki KATO, Shinya IKEDA, Manabu HIRAKAWA
  • Publication number: 20230192951
    Abstract: Provided is a polycarbonate resin which maintains favorable properties as an optical material while having fluidity suitable for molding. Furthermore, provided are an optical lens and an optical film that use the polycarbonate resin. The polycarbonate resin is characterized by comprising a component unit (A) expressed by general formula (1) and a component unit (B) expressed by general formula (2).
    Type: Application
    Filed: April 28, 2021
    Publication date: June 22, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Mitsutake SUEMATSU, Shinya IKEDA, Noriyuki KATO, Mitsuteru KONDO, Katsushi NISHIMORI, Yutaro HARADA, Shoko MURATA SUZUKI
  • Patent number: 11611672
    Abstract: In a case where a recording medium is to be stopped on a conveyance path and a length of the recording medium is a first length, a first controller stops a first motor upon a sensor detecting the front end of the recording medium, and a second controller stops a second motor upon the sensor detecting the front end of the recording medium. In a case where the recording medium is to be stopped on the conveyance path and the length of the recording medium is a second length, the first controller stops the first motor upon the sensor detecting the front end of the recording medium, and the second controller continues driving of the second motor even if the sensor detects the front end of the recording medium.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: March 21, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shinya Ikeda
  • Patent number: 11519557
    Abstract: The method for producing a filled container of the present invention includes: providing a metal storage container, at least an inner surface of which is formed of a manganese steel and in which the inner surface has a surface roughness Rmax of 10 ?m or less; performing fluorination by bringing the inner surface of the storage container into contact with a gas containing at least one first fluorine-containing gas selected from the group consisting of ClF3, IF7, BrF5, F2, and WF6 at 50° C. or lower; purging the inside of the storage container with an inert gas; and filling the inside of the storage container with at least one second fluorine-containing gas selected from the group consisting of ClF3, IF7, BrF5, F2, and WF6.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: December 6, 2022
    Assignee: Central Glass Company, Limited
    Inventors: Akifumi Yao, Masakiyo Nagatomo, Shinya Ikeda
  • Publication number: 20220380532
    Abstract: A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided.
    Type: Application
    Filed: July 29, 2022
    Publication date: December 1, 2022
    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
  • Patent number: 11440991
    Abstract: The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 13, 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
  • Patent number: 11434327
    Abstract: A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 6, 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
  • Publication number: 20220243008
    Abstract: Crystalline solvate forms and amorphous forms of 6,6?-diphenyl-2,2?-bis(2-hydroxyethoxy)-1,1?-binaphthyl, where the organic solvent is selected from methanol, toluene, and methyl ethyl ketone, and an amorphous form of 6,6?-diphenyl-2,2?-bis(2-hydroxyethoxy)-1,1?-binaphthyl having a purity of at least 99.0% by weight, based on organic matter. Thermoplastic resins containing a structural unit derived from 6,6?-diphenyl-2,2?-bis(2-hydroxyethoxy)-1,1?-binaphthyl. Optical lenses containing the thermoplastic resins containing a structural unit derived from 6,6?-diphenyl-2,2?-bis(2-hydroxyethoxy)-1,1?-binaphthyl.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Shinya IKEDA, Noriyuki KATO, Manabu HIRAKAWA, Karl REUTER, Vasyl ANDRUSHKO, Mark KANTOR, Florian STOLZ
  • Publication number: 20220239794
    Abstract: In a case where a recording medium is to be stopped on a conveyance path and a length of the recording medium is a first length, the first controller stops a first motor upon a first sensor detecting the front end of the recording medium, and a second controller stops a second motor upon first sensor detecting the front end of the recording medium. In a case where the recording medium is to be stopped on the conveyance path and the length of the recording medium is a second length, the first controller stops the first motor upon the first sensor detecting the front end of the recording medium, and the second controller continues driving of the second motor even if the first sensor detects the front end of the recording medium.
    Type: Application
    Filed: January 21, 2022
    Publication date: July 28, 2022
    Inventor: Shinya Ikeda
  • Publication number: 20220145004
    Abstract: Provided is a thermoplastic resin including constituent units represented by general formula (1). (In formula (1), R1 and R2 each independently represent: a hydrogen atom; a fluorine atom; a chlorine atom; a bromine atom; an iodine atom; a C1-6 alkyl group; a monocyclic or polycyclic C6-36 aryl group; a monocyclic or polycyclic heteroaryl group having 5-36 ring atoms, 1, 2, 3, or 4 of the ring atoms being selected from nitrogen, sulfur, and oxygen, and the other ring atoms being carbon in the heteroaryl group; a C2-6 alkenyl group; a C1-6 alkoxy group; or a C7-17 aralkyl group. In formula (1), X, a, and bare each as described in the present specification.
    Type: Application
    Filed: February 27, 2020
    Publication date: May 12, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Shinya IKEDA, Noriyuki KATO, Manabu HIRAKAWA, Karl REUTER, Vasyl ANDRUSHKO, Mark KANTOR, Florian STOLZ
  • 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: 20220115240
    Abstract: A dry etching method according to one embodiment of the present disclosure includes plasmatizing a dry etching agent and etching a silicon oxide or a silicon nitride with the plasmatized dry etching agent, wherein the dry etching agent comprises CF3I and a C2-C3 fluorine-containing linear nitrile compound, and wherein the concentration of the C2-C3 fluorine-containing linear nitrile compound relative to the CF3I is higher than or equal to 1 vol. ppm and lower than or equal to 1 vol %.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 14, 2022
    Inventors: Hiroyuki OOMORI, Tatsunori KAMIDA, Shinya IKEDA
  • 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
  • Patent number: 11286342
    Abstract: A polycarbonate resin having a high refractive index, low Abbe number, and high moist heat resistance that includes structural units represented by general formula (1):
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: March 29, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Kentaro Ishihara, Munenori Shiratake, Koji Hirose, Shinya Ikeda, Kensuke Oshima, Shuya Nagayama, Shoko Suzuki
  • 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: 20210371367
    Abstract: The present invention relates to triarylmethane compounds of the formula (I), which suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices. R1, R2 are e.g. hydrogen; Y is an alkylene group having 2, 3 or 4 carbon atoms, Ar is selected from mono- or polycyclic aryl and mono- or polycyclic hetaryl; X1, X2, X3, X4 are CH, C—Rx or N, provided that in each ring at most two of X1, X2, X3, X4 are N; Rx is e.g. halogen, CN or CH?CH2. The invention also relates to thermoplastic resins comprising a polymerized unit of the compound of formula (I).
    Type: Application
    Filed: February 1, 2019
    Publication date: December 2, 2021
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Karl Reuter, Vasyl Andrushko, Mark Kantor, Florian Stolz, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Shoko Suzuki, Kensuke Oshima
  • Publication number: 20210363295
    Abstract: The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm.
    Type: Application
    Filed: January 18, 2019
    Publication date: November 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