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Yukio Yoshikawa
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Substrate with transparent conductive oxide film, process for its p...
Patent number
7,883,789
Issue date
Feb 8, 2011
Asahi Glass Company, Limited
Kazuo Sato
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface-treatment method and equipment
Patent number
7,459,187
Issue date
Dec 2, 2008
Kabushiki Kaisha Kobe Seiko Sho.
Kazushi Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Light-emitting diode
Patent number
6,713,877
Issue date
Mar 30, 2004
Toyoda Gosei Co., Ltd.
Atsuo Hirano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting diode
Patent number
6,445,011
Issue date
Sep 3, 2002
Toyoda Gosei Co., Ltd.
Atsuo Hirano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display element and a projection type liquid crystal...
Patent number
6,122,021
Issue date
Sep 19, 2000
Asahi Glass Company, Ltd.
Yoshinori Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal/polymer composite with high optical anisotropy and l...
Patent number
6,018,378
Issue date
Jan 25, 2000
Asahi Glass Company, Ltd.
Yoshinori Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Low pressure CVD system
Patent number
5,902,406
Issue date
May 11, 1999
Asahi Glass Company Ltd.
Taroh Uchiyama
C30 - CRYSTAL GROWTH
Information
Patent Grant
Sign display apparatus
Patent number
5,809,676
Issue date
Sep 22, 1998
Copal Company Limited
Katsuyuki Sukumoda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Surface emission apparatus
Patent number
5,775,791
Issue date
Jul 7, 1998
Copal Company Limited
Yukio Yoshikawa
G02 - OPTICS
Information
Patent Grant
Light-emitting diode indicator
Patent number
D388123
Issue date
Dec 23, 1997
Copal Company Limited
Katsuyuki Sukumoda
D20 - Sales and advertising equipment
Information
Patent Grant
Active matrix liquid crystal display element and projection type ac...
Patent number
5,386,306
Issue date
Jan 31, 1995
Asahi Glass Company Ltd.
Tomoki Gunjima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Focus adjusting apparatus for an optical pickup apparatus
Patent number
5,200,942
Issue date
Apr 6, 1993
Copal Company Ltd.
Nobuhiko Hosobata
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor laser driving circuit
Patent number
5,163,063
Issue date
Nov 10, 1992
Copal Co., Ltd.
Yukio Yoshikawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Active matrix liquid crystal display element and projection type ac...
Patent number
5,150,232
Issue date
Sep 22, 1992
Asahi Glass Company Ltd.
Tomoki Gunkima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Device for detecting the time of termination of opening operation o...
Patent number
4,527,877
Issue date
Jul 9, 1985
Copal Company Limited
Tomio Kurosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electromagnetic shutter
Patent number
4,514,064
Issue date
Apr 30, 1985
Copal Company Limited
Tomio Kurosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electromagnetic shutter
Patent number
4,494,846
Issue date
Jan 22, 1985
Copal Company Limited
Tomio Kurosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control circuit for an electromagnetically driven programming shutter
Patent number
4,462,672
Issue date
Jul 31, 1984
Copal Company Limited
Tomio Kurosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for locking a blade driver in an electronic shutter
Patent number
4,408,856
Issue date
Oct 11, 1983
Copal Company Limited
Akira Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Surface-treatment method and equipment
Publication number
20070134414
Publication date
Jun 14, 2007
Kazushi Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Light-emitting diode
Publication number
20020145205
Publication date
Oct 10, 2002
Atsuo Hirano
H01 - BASIC ELECTRIC ELEMENTS