Takayuki Sasaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Document processing method and apparatus which can add comment data...
- Patent number 6,438,566
- Issue date Aug 20, 2002
- Canon Kabushiki Kaisha
- Yasuhiro Okuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detecting rewriting of stored data, using codes based on password a...
- Patent number 5,481,672
- Issue date Jan 2, 1996
- Canon Kabushiki Kaisha
- Yasuhiro Okuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for detecting improper rewrites of data system for using sep...
- Patent number 5,455,941
- Issue date Oct 3, 1995
- Canon Kabushiki Kaisha
- Yasuhiro Okuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting unjustifiable reloading of stored data
- Patent number 5,440,731
- Issue date Aug 8, 1995
- Canon Kabushiki Kaisha
- Masaaki Nagashima
- G06 - COMPUTING CALCULATING COUNTING