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Shinichiro Hirota
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Mejirodai, Hachioji-shi, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing glass optical elements
Patent number
7,140,205
Issue date
Nov 28, 2006
Hoya Corporation
Yasuhiro Fujiwara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press molding apparatus for an optical element and method of manufa...
Patent number
7,121,119
Issue date
Oct 17, 2006
Hoya Corporation
Hiroyuki Sakai
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press molding apparatus
Patent number
7,013,676
Issue date
Mar 21, 2006
Hoya Corporation
Tadayuki Fujimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press molding apparatus and press molding method
Patent number
6,918,267
Issue date
Jul 19, 2005
Hoya Corporation
Shinichiro Hirota
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for preparation of molded glass
Patent number
6,813,906
Issue date
Nov 9, 2004
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold used for molding glass optical elements process for preparatio...
Patent number
6,560,994
Issue date
May 13, 2003
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for supplying glass molding material to molds, and method fo...
Patent number
6,370,915
Issue date
Apr 16, 2002
Hoya Corporation
Tadayuki Fujimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber fixing member and method for manufacturing the same
Patent number
6,240,235
Issue date
May 29, 2001
Hoya Corporation
Ken Uno
G02 - OPTICS
Information
Patent Grant
Process for preparation of glass optical elements
Patent number
6,230,520
Issue date
May 15, 2001
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press molding apparatus for glass optical elements and molding meth...
Patent number
6,141,991
Issue date
Nov 7, 2000
Hoya Corporation
Tadayuki Fujimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Manufacturing method for molded glass articles
Patent number
6,070,436
Issue date
Jun 6, 2000
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Manufacturing method for molded glass articles
Patent number
5,987,922
Issue date
Nov 23, 1999
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for simultaneously manufacturing glass molding articles
Patent number
5,421,849
Issue date
Jun 6, 1995
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing glass molding articles
Patent number
5,194,082
Issue date
Mar 16, 1993
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold for producing glass articles
Patent number
5,125,949
Issue date
Jun 30, 1992
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold for producing lens, using mold recesses to aid in lens release
Patent number
5,114,455
Issue date
May 19, 1992
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold assembly and methods for producing molded glass
Patent number
5,013,348
Issue date
May 7, 1991
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for producing glass mold
Patent number
4,948,627
Issue date
Aug 14, 1990
Hoya Corporation
Chiemi Hata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of and apparatus for molding glass articles
Patent number
4,915,720
Issue date
Apr 10, 1990
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press-molding device for lenses
Patent number
4,836,840
Issue date
Jun 6, 1989
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for molding glass articles
Patent number
4,836,838
Issue date
Jun 6, 1989
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of molding glass body
Patent number
4,778,505
Issue date
Oct 18, 1988
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of molding optical lenses
Patent number
4,738,703
Issue date
Apr 19, 1988
Tetsuro Izumitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing pressed lenses
Patent number
4,629,489
Issue date
Dec 16, 1986
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Edge-coating glass for laser disks
Patent number
4,229,220
Issue date
Oct 21, 1980
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for Faraday rotation elements
Patent number
4,168,176
Issue date
Sep 18, 1979
Hoya Corporation
Shinichiro Hirota
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Press molding apparatus and method of producing a glass optical ele...
Publication number
20060090512
Publication date
May 4, 2006
Hoya Corporation
Tadayuki Fujimoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Press molding apparatus and press molding method
Publication number
20050218538
Publication date
Oct 6, 2005
Hoya Corporation
Shinichiro Hirota
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method of manufacturing optical glass elements
Publication number
20050183457
Publication date
Aug 25, 2005
Hoya Corporation
Shinichiro Hirota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of manufacturing optical elements
Publication number
20050076678
Publication date
Apr 14, 2005
Hoya Corporation
Hiroyuki Sawada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of preparation of lens
Publication number
20050011227
Publication date
Jan 20, 2005
HOYA CORPORATION
Hiroyuki Sakai
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method of manufacturing glass optical elements
Publication number
20030209035
Publication date
Nov 13, 2003
HOYA CORPORATION
Yasuhiro Fujiwara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method of manufacturing glass optical elements and method of determ...
Publication number
20030164004
Publication date
Sep 4, 2003
HOYA CORPORATION
Shinichiro Hirota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of manufacturing glass optical elements
Publication number
20030159467
Publication date
Aug 28, 2003
HOYA CORPORATION
Shinichiro Hirota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Press molding apparatus and press molding method
Publication number
20030102583
Publication date
Jun 5, 2003
Hoya Corporation
Shinichiro Hirota
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Press molding apparatus for an optical element and method of manufa...
Publication number
20030066312
Publication date
Apr 10, 2003
Hoya Corporation
Hiroyuki Sakai
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Press molding apparatus and method of producing a glass optical ele...
Publication number
20030033833
Publication date
Feb 20, 2003
Hoya Corporation
Tadayuki Fujimoto
C03 - GLASS MINERAL OR SLAG WOOL