Takao Ohno

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Hannoh, JP

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Patents Grantslast 30 patents

Information Patent Grant
Active energy beam curable composition and printed wiring board
- Patent number 6,475,701
- Issue date Nov 5, 2002
- Tamura Kaken Corporation
- Takao Ohno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Printed circuit board surface protective agent
- Patent number 5,735,973
- Issue date Apr 7, 1998
- Tamura Kaken Corporation
- Yasumichi Sasahara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photosensitive resin compositions
- Patent number 4,764,452
- Issue date Aug 16, 1988
- Tamura Kaken Co., Ltd.
- Takao Ohno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Surface treatment agents for metal films of printed circuit boards
- Publication number 20050173678
- Publication date Aug 11, 2005
- TAMURA KAKEN CORPORATION
- Ichiro Miura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Active energy beam curable composition and printed wiring board
- Publication number 20020115739
- Publication date Aug 22, 2002
- Takao Ohno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...