Takako Sato

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
System for making examination papers and having an automatic markin...
- Patent number 5,775,918
- Issue date Jul 7, 1998
- Ricoh Company, Ltd.
- Masato Yanagida
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image forming apparatus for outputting equivalents of words spelled...
- Patent number 5,729,618
- Issue date Mar 17, 1998
- Ricoh Company, Ltd.
- Tetsuo Fujisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for making examination papers and having an automatic markin...
- Patent number 5,597,311
- Issue date Jan 28, 1997
- Ricoh Company, Ltd.
- Masato Yanagida
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image recorder for properly orienting output images
- Patent number 5,508,810
- Issue date Apr 16, 1996
- Ricoh Company, Ltd.
- Takako Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus
- Patent number 5,313,313
- Issue date May 17, 1994
- Ricoh Company, Ltd.
- Takako Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Copier capable of detecting document size
- Patent number 5,122,833
- Issue date Jun 16, 1992
- Ricoh Company, Ltd.
- Takako Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY