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Shinichi Yokoyama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lens positioning mechanism, lens producing apparatus, and method fo...
Patent number
11,927,834
Issue date
Mar 12, 2024
HOYA LENS THAILAND LTD.
Akira Hamanaka
G02 - OPTICS
Information
Patent Grant
Marking apparatus for spectacle lenses and method of printing layou...
Patent number
9,073,348
Issue date
Jul 7, 2015
Hoya Corporation
Shigeki Ookubo
B24 - GRINDING POLISHING
Information
Patent Grant
Lens layout block device
Patent number
7,578,725
Issue date
Aug 25, 2009
Hoya Corporation
Takashi Igarashi
B24 - GRINDING POLISHING
Information
Patent Grant
Lens layout block device
Patent number
7,189,147
Issue date
Mar 13, 2007
Hoya Corporation
Takashi Igarashi
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING SPECTACLE LENS
Publication number
20240126100
Publication date
Apr 18, 2024
HOYA LENS THAILAND LTD.
Yoshihiro KIKUCHI
B24 - GRINDING POLISHING
Information
Patent Application
SEMIFINISHED LENS
Publication number
20240045231
Publication date
Feb 8, 2024
HOYA LENS THAILAND LTD.
Yoshihiro KIKUCHI
G02 - OPTICS
Information
Patent Application
SPECTACLE LENS PROCESSING METHOD AND SPECTACLE LENS PROCESSING PROGRAM
Publication number
20240019719
Publication date
Jan 18, 2024
Hoya Lens Thailand Ltd.
Shinichi YOKOYAMA
G02 - OPTICS
Information
Patent Application
METHOD FOR MANUFACTURING OPTICAL MEMBER AND OPTICAL MEMBER
Publication number
20210397020
Publication date
Dec 23, 2021
Hoya Lens Thailand Ltd.
Shinichi YOKOYAMA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LENS POSITIONING MECHANISM, LENS PRODUCING APPARATUS, AND METHOD FO...
Publication number
20210302760
Publication date
Sep 30, 2021
Hoya Lens Thailand Ltd.
Akira HAMANAKA
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING LENS MEMBER AND LENS MEMBER
Publication number
20210302759
Publication date
Sep 30, 2021
HOYA LENS THAILAND LTD.
Akira HAMANAKA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LENS POSITIONING MECHANISM, LENS PRODUCING APPARATUS, AND METHOD FO...
Publication number
20210299986
Publication date
Sep 30, 2021
HOYA LENS THAILAND LTD.
Akira HAMANAKA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MARKING APPARATUS FOR SPECTACLE LENSES AND METHOD OF PRINTING LAYOU...
Publication number
20130000499
Publication date
Jan 3, 2013
HOYA CORPORATION
Shigeki Ookubo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LENS LAYOUT BLOCK DEVICE
Publication number
20070155295
Publication date
Jul 5, 2007
HOYA CORPORATION
Takashi Igarashi
B24 - GRINDING POLISHING
Information
Patent Application
Lens layout block device
Publication number
20030143936
Publication date
Jul 31, 2003
Takashi Igarashi
B24 - GRINDING POLISHING