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Yoshio Hagiwara
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor multilayer wiring board and method of forming the same
Patent number
7,498,520
Issue date
Mar 3, 2009
Waseda University
Tetsuya Osaka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Silica-based coating film on substrate and coating solution therefor
Patent number
7,135,064
Issue date
Nov 14, 2006
Tokyo Ohka Kogyo Co., Ltd.
Tatsuhiko Shibuya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,995,096
Issue date
Feb 7, 2006
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silica-based coating film on substrate and coating solution therefor
Patent number
6,875,262
Issue date
Apr 5, 2005
Tokyo Ohka Kogyo Co., Ltd.
Tatsuhiko Shibuya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,767,839
Issue date
Jul 27, 2004
Tokyo Ohka Kogyo Co., Ltd.
Yoshio Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,723,633
Issue date
Apr 20, 2004
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Anti-reflective coating-forming composition
Patent number
6,515,073
Issue date
Feb 4, 2003
Tokyo Ohka Kogyo Co., Ltd.
Yoshinori Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,503,825
Issue date
Jan 7, 2003
Tokyo Ohka Kogyo Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for the formation of a siliceous coating film
Patent number
6,338,868
Issue date
Jan 15, 2002
Tokyo Ohka Kogyo Co., Ltd.
Tatsuhiko Shibuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coating solution for forming silica coating and method of forming s...
Patent number
6,214,104
Issue date
Apr 10, 2001
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for the formation of a siliceous coating film
Patent number
6,190,788
Issue date
Feb 20, 2001
Tokyo Ohka Kogyo Co., Ltd.
Tatsuhiko Shibuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for the formation of silica-based coating film
Patent number
6,074,962
Issue date
Jun 13, 2000
Tokyo Ohka Kogyo Co., Ltd.
Yoshinori Sakamoto
G02 - OPTICS
Information
Patent Grant
Polysilazane-based coating solution for interlayer insulation
Patent number
5,885,654
Issue date
Mar 23, 1999
Tokyo Ohka Kogyo Co., Ltd.
Yoshio Hagiwara
G02 - OPTICS
Information
Patent Grant
Coating solution for silica-based coating film and method for the p...
Patent number
5,795,378
Issue date
Aug 18, 1998
Tokyo Ohka Kogyo Co., Ltd.
Yoshinori Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating solution for silica-based coating film and method for the p...
Patent number
5,762,697
Issue date
Jun 9, 1998
Tokyo Ohka Kogyo Co., Ltd.
Yoshinori Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and liquid coating composition for the formation of silica-b...
Patent number
5,614,251
Issue date
Mar 25, 1997
Tokyo Ohka Kogyo Co., Ltd.
Yoshinori Sakamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for the formation of a silica-based coating film
Patent number
5,614,271
Issue date
Mar 25, 1997
Tokyo Ohka Kogyo Co., Ltd.
Tatsuhiko Shibuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and liquid coating composition for the formation of silica-b...
Patent number
5,496,402
Issue date
Mar 5, 1996
Tokyo Ohka Kogyo Co, Ltd.
Yoshinori Sakamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Liquid coating composition
Patent number
5,457,153
Issue date
Oct 10, 1995
Tokyo Ohka Kogyo Co., Ltd.
Yoshio Hagiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid developer for binary diazo copying materials
Patent number
4,155,762
Issue date
May 22, 1979
Ricoh Co., Ltd.
Tsutomu Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Silica-based coating film on substrate and coating solution therefor
Publication number
20050147833
Publication date
Jul 7, 2005
Tatsuhiko Shibuya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Semiconductor multilayer wiring board and method of forming the same
Publication number
20050110149
Publication date
May 26, 2005
Tetsuya Osaka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for forming multi-layer wiring structure
Publication number
20040248396
Publication date
Dec 9, 2004
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for forming multi-layer wiring structure
Publication number
20030073303
Publication date
Apr 17, 2003
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Anti-reflective coating-forming composition
Publication number
20010036998
Publication date
Nov 1, 2001
Yoshinori Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...