Patents by Inventor Hideki Obara

Hideki Obara 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: 20240164635
    Abstract: An ophthalmic instrument including a light emitter, an optical system, and a control section. The light emitter includes a light source including at least one out of a first light source unit or a second light source unit that emits light for examining a subject eye. The light emitter is configured to emit light from the light source. The optical system guides light emitted from the light emitter onto a right-eye retina and/or onto a left-eye retina. The control section is configured to control the light emitter and the optical system such that the light is shone onto the right-eye retina and/or onto the left-eye retina.
    Type: Application
    Filed: January 31, 2024
    Publication date: May 23, 2024
    Applicant: NIKON CORPORATION
    Inventors: Hideki OBARA, Ken TOMIOKA, Shota MIYAZAKI
  • Patent number: 11918286
    Abstract: An ophthalmic instrument including a light emitter, an optical system, and a control section. The light emitter includes a light source including at least one out of a first light source unit or a second light source unit that emits light for examining a subject eye. The light emitter is configured to emit light from the light source. The optical system guides light emitted from the light emitter onto a right-eye retina and/or onto a left-eye retina. The control section is configured to control the light emitter and the optical system such that the light is shone onto the right-eye retina and/or onto the left-eye retina.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 5, 2024
    Assignee: NIKON CORPORATION
    Inventors: Hideki Obara, Ken Tomioka, Shota Miyazaki
  • Publication number: 20210121059
    Abstract: An ophthalmic instrument including a light source, an optical system to guide light from the light source onto a right eye retina of a subject and/or onto a left eye retina of the subject, and a control section to control the optical system so as to perform a visual field test on the right eye retina and/or the left eye retina by the light being shone onto the right-eye retina and/or the left-eye retina.
    Type: Application
    Filed: September 11, 2018
    Publication date: April 29, 2021
    Applicant: NIKON CORPORATION
    Inventors: Shota MIYAZAKI, Ken TOMIOKA, Hideki OBARA
  • Publication number: 20200352432
    Abstract: An ophthalmic instrument including a light emitter, an optical system, and a control section. The light emitter includes a light source including at least one out of a first light source unit or a second light source unit that emits light for examining a subject eye. The light emitter is configured to emit light from the light source. The optical system guides light emitted from the light emitter onto a right-eye retina and/or onto a left-eye retina. The control section is configured to control the light emitter and the optical system such that the light is shone onto the right-eye retina and/or onto the left-eye retina.
    Type: Application
    Filed: September 11, 2018
    Publication date: November 12, 2020
    Applicant: NIKON CORPORATION
    Inventors: Hideki OBARA, Ken TOMIOKA, Shota MIYAZAKI
  • Patent number: 10752708
    Abstract: A curable composition capable of manufacturing a cured product having a high refractive index is provided. The curable composition contains a polymerizable compound represented by formula (1) and inorganic particles. In formula (1), La represents a divalent linking group, and the divalent linking group includes at least one of a divalent aromatic group, a divalent polycyclic aliphatic group and an alkylene group having an aromatic group, Ar represents an aromatic group, and R represents an aromatic group optionally having one or more substituents or a polycyclic aliphatic group optionally having one or more substituents.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 25, 2020
    Assignees: NIKON CORPORATION, ESSILOR INTERNATIONAL
    Inventors: Hideki Obara, Toshiaki Murai, Guillaume Cantagrel
  • Publication number: 20200253468
    Abstract: Provided are an ophthalmic instrument, an image generation device, a program, and an ophthalmic system capable of allowing a patient to directly experience and confirm how vision will actually appear following surgery. The ophthalmic instrument includes a light source, an optical system that guides light emitted from the light source onto a retina of a subject eye, a communication section that receives a simulation image generated based on optometry information for the subject eye and intraocular lens information relating to an intraocular lens prescribable for the subject eye, the simulation image corresponding to how vision would appear in a case in which the intraocular lens is prescribed for the subject eye, and a control section that controls the light source and the optical system such that the simulation image received by the communication section is projected onto the retina.
    Type: Application
    Filed: August 24, 2018
    Publication date: August 13, 2020
    Applicant: NIKON CORPORATION
    Inventors: Ken TOMIOKA, Shota MIYAZAKI, Hideki OBARA
  • Publication number: 20190071522
    Abstract: A curable composition capable of manufacturing a cured product having a high refractive index is provided. The curable composition contains a polymerizable compound represented by formula (1) and inorganic particles. In formula (1), La represents a divalent linking group, and the divalent linking group includes at least one of a divalent aromatic group, a divalent polycyclic aliphatic group and an alkylene group having an aromatic group, Ar represents an aromatic group, and R represents an aromatic group optionally having one or more substituents or a polycyclic aliphatic group optionally having one or more substituents.
    Type: Application
    Filed: September 28, 2018
    Publication date: March 7, 2019
    Applicants: NIKON CORPORATION, ESSILOR INTERNATIONAL
    Inventors: Hideki OBARA, Toshiaki MURAI, Guillaume CANTAGREL
  • Patent number: 7166163
    Abstract: A method of manufacturing an optical member includes a crystal growing step and a carving step. The crystal growing step includes melting a mixture of fluoride powder and a scavenger at a melting temperature of a melting point for the fluoride and above, and then crystallizing the melted fluid and further cooling down an obtained fluoride crystal in a temperature range from 1000° C. to 900° C. by a temperature decreasing rate in a range from 0.1 to 5° C./hr. The carving step includes carving an optical member out of the fluoride crystal obtained in the crystal growing step such that the optical member is made of a fluoride crystal in which a maximum diameter dmax of scattering bodies existing internally and a quantity ns of the scattering bodies per 1 cm3 satisfy a condition represented by the following formula (1): 0<dmax2×ns<6.5×10?4(cm?1).
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: January 23, 2007
    Assignee: Nikon Corporation
    Inventors: Hideki Obara, Kazumasa Endo
  • Publication number: 20050081777
    Abstract: A method of manufacturing an optical member includes a crystal growing step and a carving step. The crystal growing step includes melting a mixture of fluoride powder and a scavenger at a melting temperature of a melting point for the fluoride and above, and then crystallizing the melted fluid and further cooling down an obtained fluoride crystal in a temperature range from 1000° C. to 900° C. by a temperature decreasing rate in a range from 0.1 to 5° C./hr. The carving step includes carving an optical member out of the fluoride crystal obtained in the crystal growing step such that the optical member is made of a fluoride crystal in which a maximum diameter dmax of scattering bodies existing internally and a quantity ns of the scattering bodies per 1 cm3 satisfy a condition represented by the following formula (1): 0<dmax2×ns<6.5×10?4 (cm?1) ??(1).
    Type: Application
    Filed: October 27, 2004
    Publication date: April 21, 2005
    Applicant: NIKON CORPORATION
    Inventors: Hideki Obara, Kazumasa Endo
  • Patent number: 6850371
    Abstract: An optical member of the invention is an optical member for photolithography used together with light having a wavelength of not more than 250 nm. The optical member is made of a fluoride crystal in which a maximum diameter dmax (cm) of scattering bodies existing internally and a quantity ns of the scattering bodies per 1 cm3 satisfy a condition represented by following formula (1): 0<dmax2×ns<6.5×10?4 (cm?1)??(1).
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: February 1, 2005
    Assignee: Nikon Corporation
    Inventors: Hideki Obara, Kazumasa Endo
  • Publication number: 20030089299
    Abstract: An optical member of the invention is an optical member for photolithography used together with light having a wavelength of not more than 250 nm.
    Type: Application
    Filed: November 15, 2002
    Publication date: May 15, 2003
    Inventors: Hideki Obara, Kazumasa Endo
  • Patent number: 6344236
    Abstract: The aqueous dispersion of a peelable coating composition of the present invention is (a) a mixture containing 5-40% by weight of an emulsion of an acrylic copolymer having a glass transition temperature (hereinafter referred to as “Tg”) of not lower than 40° C., and 95-60% by weight of an emulsion of another acrylic copolymer having a Tg ranging from −20° C. through 5° C. The acrylic copolymer emulsion mixture (b) contains ethylenically unsaturated vinyl monomers having acid value in a total amount of 0.5-1.0% by weight, and (c) at least one of the acrylic copolymer emulsions is an acrylic copolymer which has been polymerized by use of a reactive surfactant, and (d) the particle size of the acrylic copolymer emulsions is not more than 200 nm.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: February 5, 2002
    Inventors: Kenji Yamashita, Masayuki Matsuki, Hirotaka Asai, Noritsumi Matsuyama, Hideaki Tojo, Hisashi Kurota, Kensaku Akasaka, Hideki Obara
  • Publication number: 20010005733
    Abstract: The aqueous dispersion of a peelable coating composition of the present invention is (a) a mixture containing 5-40% by weight of an emulsion of an acrylic copolymer having a glass transition temperature (hereinafter referred to as “Tg”) of not lower than 40° C., and 95-60% by weight of an emulsion of another acrylic copolymer having a Tg ranging from −20° C. through 5° C. The acrylic copolymer emulsion mixture (b) contains ethylenically unsaturated vinyl monomers having acid value in a total amount of 0.5-1.0% by weight, and (c) at least one of the acrylic copolymer emulsions is an acrylic copolymer which has been polymerized by use of a reactive surfactant, and (d) the particle size of the acrylic copolymer emulsions is not more than 200 nm.
    Type: Application
    Filed: February 2, 2001
    Publication date: June 28, 2001
    Applicant: Rinrei Wax Co., Ltd.
    Inventors: Kenji Yamashita, Masayuki Matsuki, Hirotaka Asai, Noritsumi Matsuyama, Hideaki Tojo, Hisashi Kurota, Kensaku Akasaka, Hideki Obara
  • Patent number: 6211282
    Abstract: The aqueous dispersion of a peelable coating composition of the present invention is (a) a mixture containing 5-40% by weight of an emulsion of an acrylic copolymer having a glass transition temperature (hereinafter referred to as “Tg”) of not lower than 40° C., and 95-60% by weight of an emulsion of another acrylic copolymer having a Tg ranging from −20° C. through 5° C. The acrylic copolymer emulsion mixture (b) contains ethylenically unsaturated vinyl monomers having acid value in a total amount of 0.5-1.0% by weight, and (c) at least one of the acrylic copolymer emulsions is an acrylic copolymer which has been polymerized by use of a reactive surfactant, and (d) the particle size of the acrylic copolymer emulsions is not more than 200 nm.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: April 3, 2001
    Assignees: Rinrei Wax Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kenji Yamashita, Masayuki Matsuki, Hirotaka Asai, Noritsumi Matsuyama, Hideaki Tojo, Hisashi Kurota, Kensaku Akasaka, Hideki Obara
  • Patent number: 6187377
    Abstract: A strippable paint is poured down onto coated surfaces 1, 2 and 3 of an automobile V within regions to be protected, from a plurality of nozzles 10 disposed in parallel in a widthwise direction of the automobile V above the coated surfaces 1, 2 and 3 of the automobile V, while controlling the number of nozzles which are used to discharge the strippable paint, in accordance with the extent of the regions to be protected. Thereafter, the strippable paint is spread over an entirety of the coated surfaces 1, 2 and 3 in the regions to be protected. Thus, the region covered by each of the nozzles can be relatively reduced to efficiently carry out the pouring-down of the strippable paint and to prevent dusts of a coating material from being scattered to a wide range. In addition, the need for a masking step and/or an inspecting/correcting step can be eliminated to reduce the operating steps and further to alleviate the operational load.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: February 13, 2001
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hideaki Tojo, Hisashi Kurota, Kensaku Akasaka, Hideki Obara
  • Patent number: 5738730
    Abstract: In peeling off, from a coating surface, temporarily protecting coating films formed by applying a protecting coating material onto the coating surface after completion of the coating, high-pressure water is jetted toward between the coating surface and end edges of the temporarily protecting coating films to peel off the end edges from the coating surface. Then, the high-pressure water is jetted sequentially to between the coating surface and peeled-off portions of the temporarily protecting coating films from the coating surface to peel off the entire temporarily protecting coating films from the coating surface. Thus, the temporarily protecting coating films can be easily peeled off without being influenced by the temperature of an environment, leading to a shortened peeling-off time.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: April 14, 1998
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hideaki Tojo, Hiroaki Atarashi, Hisashi Kurota, Kensaku Akasaka, Hideki Obara