Tatsuya Yamamoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and recording medium for separating and composing background...
- Patent number 6,088,479
- Issue date Jul 11, 2000
- Hitachi Ltd.
- Nobuo Ikeshoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image file, generation method thereof, and image display apparatus
- Patent number 5,943,045
- Issue date Aug 24, 1999
- Hitachi, Ltd.
- Nobuo Ikeshoji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and recording medium for separating and composing background...
- Patent number 5,761,339
- Issue date Jun 2, 1998
- Hitachi, Ltd.
- Nobuo Ikeshoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE