Patents by Inventor Yosuke INOKUCHI

Yosuke INOKUCHI 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).

  • (Meth)acrylate compound, additive for optical resin, optical element, and optical device
    Patent number: 11142636
    Abstract: Provided is an additive for an optical resin including a (meth)acrylate compound represented by general formula (1) below: [in general formula (1), each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom; m represents an integer of 0 to 5; R1 represents an alkylene group or an oxyalkylene group having a carbon number of 1 to 8; and R2 represents a hydrogen atom or a methyl group].
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: October 12, 2021
    Assignee: NIKON CORPORATION
    Inventors: Masakatsu Kasuya, Yosuke Inokuchi, Shiho Nishimura, Toru Nakamura
  • Resin precursor composition for optical materials, optical element obtained from the composition, and diffractive optical element configured using the optical element
    Patent number: 10577446
    Abstract: Low refractive index and high dispersion material which can produce a bonded-multilayer DOE having an excellent optical performance is obtained, and the optical member using this is obtained. The resin precursor for optical materials obtained through the addition reaction of the composite containing a di (meth) acrylate shown in the following Chemical Expression 1. where, R?H or CH3, and m+n=1 to 10.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: March 3, 2020
    Assignee: Nikon Corporation
    Inventors: Shiho Nishimura, Yosuke Inokuchi
  • (METH)ACRYLATE COMPOUND, ADDITIVE FOR OPTICAL RESIN, OPTICAL ELEMENT, AND OPTICAL DEVICE
    Publication number: 20190322857
    Abstract: Provided is an additive for an optical resin including a (meth)acrylate compound represented by general formula (1) below: [in general formula (1), each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom; m represents an integer of 0 to 5; R1 represents an alkylene group or an oxyalkylene group having a carbon number of 1 to 8; and R2 represents a hydrogen atom or a methyl group].
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Applicant: NIKON CORPORATION
    Inventors: Masakatsu KASUYA, Yosuke INOKUCHI, Shiho NISHIMURA, Toru NAKAMURA
  • RESIN PRECURSOR COMPOSITION FOR OPTICAL MATERIALS, OPTICAL ELEMENT OBTAINED FROM THE COMPOSITION, AND DIFFRACTIVE OPTICAL ELEMENT CONFIGURED USING THE OPTICAL ELEMENT
    Publication number: 20190112405
    Abstract: Low refractive index and high dispersion material which can produce a bonded-multilayer DOE having an excellent optical performance is obtained, and the optical member using this is obtained. The resin precursor for optical materials obtained through the addition reaction of the composite containing a di (meth) acrylate shown in the following Chemical Expression 1. where, R?H or CH3, and m+n=1 to 10.
    Type: Application
    Filed: December 3, 2018
    Publication date: April 18, 2019
    Applicant: NIKON CORPORATION
    Inventors: Shiho NISHIMURA, Yosuke INOKUCHI
  • RESIN PRECURSOR COMPOSITION FOR OPTICAL MATERIALS, OPTICAL ELEMENT OBTAINED FROM THE COMPOSITION, AND DIFFRACTIVE OPTICAL ELEMENT CONFIGURED USING THE OPTICAL ELEMENT
    Publication number: 20170183438
    Abstract: Low refractive index and high dispersion material which can produce a bonded-multilayer DOE having an excellent optical performance is obtained, and the optical member using this is obtained. The resin precursor for optical materials obtained through the addition reaction of the composite containing a di (meth) acrylate shown in the following Chemical Expression 1. where, R?H or CH3, and m+n=1 to 10.
    Type: Application
    Filed: February 24, 2017
    Publication date: June 29, 2017
    Applicant: NIKON CORPORATION
    Inventors: Shiho NISHIMURA, Yosuke INOKUCHI