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Masayuki Shijo
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compound, resin precursor, cured object, optical element, optical s...
Patent number
12,248,119
Issue date
Mar 11, 2025
Nikon Corporation
Yoshihiro Someya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, resin precursor, cured object, optical element, optical s...
Patent number
12,139,646
Issue date
Nov 12, 2024
Nikon Corporation
Yoshihiro Someya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound, resin precursor, cured product, optical element, optical...
Patent number
11,440,869
Issue date
Sep 13, 2022
Nikon Corporation
Yoshihiro Someya
G02 - OPTICS
Information
Patent Grant
Close-bonded diffractive optical element, optical material used the...
Patent number
8,367,872
Issue date
Feb 5, 2013
Nikon Corporation
Akiko Miyakawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing optical element and method of manufacturing...
Patent number
7,915,801
Issue date
Mar 29, 2011
Nikon Corporation
Masayuki Shijo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
COMPOUND, RESIN PRECURSOR, CURED OBJECT, OPTICAL ELEMENT, OPTICAL S...
Publication number
20230048981
Publication date
Feb 16, 2023
Nikon Corporation
Yoshihiro SOMEYA
G02 - OPTICS
Information
Patent Application
COMPOUND, RESIN PRECURSOR, CURED OBJECT, OPTICAL ELEMENT, OPTICAL S...
Publication number
20220120937
Publication date
Apr 21, 2022
Nikon Corporation
Yoshihiro SOMEYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOUND, RESIN PRECURSOR, CURED OBJECT, OPTICAL ELEMENT, OPTICAL S...
Publication number
20210395580
Publication date
Dec 23, 2021
Nikon Corporation
Yoshihiro SOMEYA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, RESIN PRECURSOR, CURED PRODUCT, OPTICAL ELEMENT, OPTICAL...
Publication number
20200223781
Publication date
Jul 16, 2020
Nikon Corporation
Yoshihiro SOMEYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Close-Bonded Diffractive Optical Element, Optical Material Used The...
Publication number
20080107903
Publication date
May 8, 2008
Akiko Miyakawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method of manufacturing optical element and method of manufacturing...
Publication number
20080067911
Publication date
Mar 20, 2008
NIKON CORPORATION
Masayuki Shijo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL