Kei Sato

Person

Atsugi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Copying system having image inputting unit and image outputting uni...
- Patent number 5,781,310
- Issue date Jul 14, 1998
- Ricoh Company Ltd.
- Haruka Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital image processing method suitable for halftone representatio...
- Patent number 5,642,439
- Issue date Jun 24, 1997
- Ricoh Company, Ltd.
- Kei Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image synthesizing system synthesizing images by using an intermedi...
- Patent number 5,640,653
- Issue date Jun 17, 1997
- Ricoh Company, Ltd.
- Haruka Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image output system for outputting multi-level information stored a...
- Patent number 5,099,231
- Issue date Mar 24, 1992
- Ricoh Company, Ltd.
- Kei Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Focusing system and image input apparatus having automatic focusing...
- Patent number 5,065,246
- Issue date Nov 12, 1991
- Ricoh Company, Ltd.
- Hiroshi Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct memory access device for multidimensional data transfers
- Patent number 4,797,809
- Issue date Jan 10, 1989
- Ricoh Company, Ltd.
- Kei Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal processing apparatus
- Patent number 4,757,462
- Issue date Jul 12, 1988
- Ricoh Company, Ltd.
- Kei Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dot corrected laser printer
- Patent number 4,700,201
- Issue date Oct 13, 1987
- Ricoh Company, Ltd.
- Kei Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Halftone image processing method
- Patent number 4,698,691
- Issue date Oct 6, 1987
- Ricoh Company, Ltd.
- Koichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of processing gradation information with variable magnification
- Patent number 4,698,778
- Issue date Oct 6, 1987
- Ricoh Company, Ltd.
- Masahiro Ito
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Copying system having image inputting unit and image outputting uni...

Digital image processing method suitable for halftone representatio...

Image synthesizing system synthesizing images by using an intermedi...

Image output system for outputting multi-level information stored a...

Focusing system and image input apparatus having automatic focusing...

Direct memory access device for multidimensional data transfers

Signal processing apparatus

Dot corrected laser printer

Halftone image processing method

Method of processing gradation information with variable magnification