Yasuyuki Kikuchi

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for displaying a target region and an enlarged...
- Patent number 6,388,684
- Issue date May 14, 2002
- Hitachi, Ltd.
- Kazuaki Iwamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS