Akira Tamura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of dividing circuit pattern, method of manufacturing stencil...
- Patent number 7,181,722
- Issue date Feb 20, 2007
- Toppan Printing Co., Ltd.
- Hideyuki Eguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Substrate for a transfer mask, transfer mask, and method of manufac...
- Patent number 6,638,666
- Issue date Oct 28, 2003
- Toppan Printing Co., Ltd.
- Toshio Konishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Black photosensitive resin composition, color filter made by using...
- Patent number 5,925,484
- Issue date Jul 20, 1999
- Toppan Printing Co., Ltd.
- Yasuhiro Shima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Method of dividing circuit pattern, method of manufacturing stencil...
- Publication number 20050079426
- Publication date Apr 14, 2005
- Toppan Printing Co., Ltd.
- Hideyuki Eguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Substrate for a transfer mask, transfer mask, and method of manufac...
- Publication number 20020060297
- Publication date May 23, 2002
- Toppan Printing Co., Ltd.
- Toshio Konishi
- H01 - BASIC ELECTRIC ELEMENTS