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Natsuya Nishimura
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Manufacturing method for lithium difluorophosphate powder, and lith...
Patent number
10,329,155
Issue date
Jun 25, 2019
Central Glass Company, Limited
Keita Nakahara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Glass suitable for optical functional elements and process for prod...
Patent number
6,645,893
Issue date
Nov 11, 2003
Central Glass Company, Limited
Kiyotaka Miura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for producing amorphous material containing single crystal...
Patent number
6,534,207
Issue date
Mar 18, 2003
Central Glass Company, Limited
Yoshinori Kubota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
1.4-1.52 μm-band optical amplifier
Patent number
6,501,596
Issue date
Dec 31, 2002
Central Glass Company, Limited
Hiroyuki Inoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing amorphous material containing single crystal...
Patent number
6,261,420
Issue date
Jul 17, 2001
Central Glass Company, Limited
Yoshinori Kubota
C30 - CRYSTAL GROWTH
Information
Patent Grant
Optical waveguide and 1.5 μm-band optical amplifier using same
Patent number
6,198,870
Issue date
Mar 6, 2001
Central Glass Company, Limited
Yoshinori Kubota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Upconversion laser material
Patent number
5,684,815
Issue date
Nov 4, 1997
Central Glass Company, Limited
Kiyotaka Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1.3 micrometer-band amplifying optical fiber preform
Patent number
5,338,607
Issue date
Aug 16, 1994
Central Glass Company, Limited
Hiromi Kawamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of forming fluoride glass fiber preform
Patent number
5,308,371
Issue date
May 3, 1994
Central Glass Co., Ltd.
Hiromi Kawamoto
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Manufacturing Method for Lithium Difluorophosphate Powder, and Lith...
Publication number
20170334723
Publication date
Nov 23, 2017
Central Glass Company, Limited
Keita NAKAHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR JUDGING AMOUNT OF IMPURITIES IN SOLVENT FOR ELECTROLYTE...
Publication number
20150004483
Publication date
Jan 1, 2015
CENTRAL GLASS CO., LTD.
Keita NAKAHARA
G01 - MEASURING TESTING
Information
Patent Application
Glass suitable for optical functional elements and process for prod...
Publication number
20010031691
Publication date
Oct 18, 2001
Kiyotaka Miura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Process for producing amorphous material containing single crystal...
Publication number
20010019014
Publication date
Sep 6, 2001
Central Glass Company, Limited
Yoshinori Kubota
C03 - GLASS MINERAL OR SLAG WOOL