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Shin-Ichiro Hirota
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for manufacturing glass optical elements
Patent number
6,810,686
Issue date
Nov 2, 2004
Hoya Corporation
Shin-ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of molding a glass composition into an optical element
Patent number
6,776,007
Issue date
Aug 17, 2004
Hoya Corporation
Shin-Ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method molding a glass composition into an optical element with red...
Patent number
6,588,231
Issue date
Jul 8, 2003
Hoya Corporation
Shin-Ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for manufacturing glass optical elements
Patent number
6,564,584
Issue date
May 20, 2003
Hoya Corporation
Shin-ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing a glass optical element
Patent number
6,334,335
Issue date
Jan 1, 2002
Hoya Corporation
Shin-Ichiro Hirota
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing a glass optical element capable of suppressing...
Patent number
6,151,915
Issue date
Nov 28, 2000
Hoya Precision Inc.
Shin-Ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for manufacturing glass optical elements
Patent number
6,009,725
Issue date
Jan 4, 2000
Hoya Precision Inc.
Shin-ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass composition moldable into an optical element with reduced pul...
Patent number
5,919,718
Issue date
Jul 6, 1999
Hoya Precision Inc.
Shin-Ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for manufacturing glass optical elements
Patent number
5,873,921
Issue date
Feb 23, 1999
Hoya Precisions Inc.
Shin-ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing glass optical elements
Patent number
5,762,673
Issue date
Jun 9, 1998
Hoya Precision Inc.
Shin-Ichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Method of molding a glass composition into an optical element
Publication number
20030200766
Publication date
Oct 30, 2003
Hoya Corporation
Shin-Ichiro Hirota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for manufacturing glass optical elements
Publication number
20030154744
Publication date
Aug 21, 2003
SHIN-ICHIRO HIROTA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PROCESS FOR MANUFACTURING GLASS OPTICAL ELEMENTS
Publication number
20020129620
Publication date
Sep 19, 2002
SHIN-ICHIRO HIROTA
C03 - GLASS MINERAL OR SLAG WOOL