Takumi Soen

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Kochi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Graphic display processing apparatus for improving speed and effici...
- Patent number 5,583,985
- Issue date Dec 10, 1996
- Hitachi, Ltd.
- Tomohisa Kohiyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Graphic display processing apparatus and method for improving the s...
- Patent number 5,353,403
- Issue date Oct 4, 1994
- Hitachi Chubu Software, Ltd.
- Tomohisa Kohiyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS