Yasuhiko Saka

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abnormality diagnosing method, condition appraisal apparatus, image...
- Patent number 7,539,599
- Issue date May 26, 2009
- Ricoh Company, Ltd.
- Kunio Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coordinate inputting/detecting apparatus and method designed to avo...
- Patent number 7,113,174
- Issue date Sep 26, 2006
- Ricoh Company, Ltd.
- Kenichi Takekawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for coordinate inputting capable of effectivel...
- Patent number 6,570,103
- Issue date May 27, 2003
- Ricoh Company, Ltd.
- Yasuhiko Saka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for detecting and inputting a specified position
- Patent number 6,518,959
- Issue date Feb 11, 2003
- Ricoh Company, Ltd.
- Takahiro Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color recorder overhead projector with color recorder
- Patent number 4,851,924
- Issue date Jul 25, 1989
- Ricoh Company, Ltd.
- Takuma Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color overhead projector
- Patent number 4,839,731
- Issue date Jun 13, 1989
- Ricoh Company, Ltd.
- Yasuhiko Saka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Abnormality diagnosing method, condition appraisal apparatus, image...
- Publication number 20050193027
- Publication date Sep 1, 2005
- Kunio Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE