Masanobu Yamamoto

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Foster City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Video game with switchable collision graphics
- Patent number 5,963,218
- Issue date Oct 5, 1999
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video game with switchable collision graphics
- Patent number 5,513,307
- Issue date Apr 30, 1996
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-player video game apparatus with single screen mode and split...
- Patent number 5,470,080
- Issue date Nov 28, 1995
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video game with spiral loop graphics
- Patent number 5,411,272
- Issue date May 2, 1995
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Split-screen video game with character playfield position exchange
- Patent number 5,411,270
- Issue date May 2, 1995
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-player video game with cooperative mode and competition mode
- Patent number 5,405,151
- Issue date Apr 11, 1995
- Sega of America, Inc.
- Yuji Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS