Tomohisa Koyiyama

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Video picture display device and method for controlling video pictu...
- Patent number 5,815,143
- Issue date Sep 29, 1998
- Hitachi Computer Products (America)
- Warren Kimberly Jenney
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS