Masayuki Sohda

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color image processing method, color image processing apparatus, an...
- Patent number 6,809,714
- Issue date Oct 26, 2004
- International Business Machines Corporation
- Kazushi Yamauchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for controlling tint in a digital color displa...
- Patent number 6,614,488
- Issue date Sep 2, 2003
- International Business Machines Corporation
- Kazushi Yamauchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Synchronous signal separation circuit
- Patent number 5,805,150
- Issue date Sep 8, 1998
- International Business Machines Corporation
- Hironari Nishino
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Horizontal synchronization signal stabilization method and apparatus
- Patent number 5,790,200
- Issue date Aug 4, 1998
- International Business Machines Corporation
- Hiroyuki Tsujimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display system
- Patent number 5,272,471
- Issue date Dec 21, 1993
- International Business Machines Corporation
- Shigeki Asada
- G06 - COMPUTING CALCULATING COUNTING