Akihiko Narisawa

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Kodaira, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 6,784,554
- Issue date Aug 31, 2004
- Hitachi, Ltd.
- Ryoichi Kajiwara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device and display unit using the semiconductor devic...
- Patent number 5,920,115
- Issue date Jul 6, 1999
- Hitachi, Ltd.
- Makoto Kimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Semiconductor device and display unit using the semiconductor devic...
- Patent number 5,767,571
- Issue date Jun 16, 1998
- Hitachi, Ltd.
- Makoto Kimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20030127747
- Publication date Jul 10, 2003
- Ryoichi Kajiwara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR