Yukio Sakano

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Original-discrimination system for discriminating special document,...
- Patent number 6,272,248
- Issue date Aug 7, 2001
- Ricoh Company, Ltd.
- Takashi Saitoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus
- Patent number 5,801,844
- Issue date Sep 1, 1998
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Duplicator having function concerning specific mark put on recordin...
- Patent number 5,798,844
- Issue date Aug 25, 1998
- Ricoh Company, Ltd.
- Yukio Sakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus having function of magnification changin...
- Patent number 5,771,104
- Issue date Jun 23, 1998
- Ricoh Company Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus for providing an isolated-dot removing f...
- Patent number 5,764,812
- Issue date Jun 9, 1998
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Original-discrimination system for discriminating special document,...
- Patent number 5,751,854
- Issue date May 12, 1998
- Ricoh Company, Ltd.
- Takashi Saitoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Special-document discriminating apparatus and managing system for i...
- Patent number 5,659,628
- Issue date Aug 19, 1997
- Ricoh Company, Ltd.
- Michiyoshi Tachikawa
- G07 - CHECKING-DEVICES
Information Patent Grant
Special-document discriminating apparatus and managing system for i...
- Patent number 5,652,803
- Issue date Jul 29, 1997
- Ricoh Company, Ltd.
- Michiyoshi Tachikawa
- G07 - CHECKING-DEVICES
Information Patent Grant
Image processing apparatus
- Patent number 5,579,417
- Issue date Nov 26, 1996
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing device having function of detecting dotted-image area
- Patent number 5,473,444
- Issue date Dec 5, 1995
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting a closed-loop area of an image
- Patent number 5,444,543
- Issue date Aug 22, 1995
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus which adds identification information to re...
- Patent number 5,444,518
- Issue date Aug 22, 1995
- Ricoh Company, Ltd.
- Tadato Hashiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus especially suitable for producing smooth...
- Patent number 5,339,171
- Issue date Aug 16, 1994
- Ricoh Company, Ltd.
- Tetsuo Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus for preventing occurrence of moire in ou...
- Patent number 5,337,162
- Issue date Aug 9, 1994
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for converting and processing input bi-level image data a...
- Patent number 5,283,664
- Issue date Feb 1, 1994
- Ricoh Company, Ltd.
- Tetsuo Fujisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus and method
- Patent number 5,144,456
- Issue date Sep 1, 1992
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image recorder using pulse width modulation
- Patent number 5,144,338
- Issue date Sep 1, 1992
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two dimensional half-tone dot discrimination device
- Patent number 4,984,283
- Issue date Jan 8, 1991
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus
- Patent number 4,908,716
- Issue date Mar 13, 1990
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two-dimensional memory unit having a 2d array of individually addre...
- Patent number 4,875,190
- Issue date Oct 17, 1989
- Ricoh Company, Ltd.
- Yukio Sakano
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital copying apparatus
- Patent number 4,851,920
- Issue date Jul 25, 1989
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-color image recorder
- Patent number 4,805,120
- Issue date Feb 14, 1989
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shading correction system for image scanning apparatus
- Patent number 4,760,464
- Issue date Jul 26, 1988
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital copier with document image region decision device
- Patent number 4,707,745
- Issue date Nov 17, 1987
- Ricoh Company, Ltd.
- Yukio Sakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for writing data into a memory
- Patent number 4,615,018
- Issue date Sep 30, 1986
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
CRT Display device
- Patent number 4,479,119
- Issue date Oct 23, 1984
- Ricoh Company, Ltd.
- Yukio Sakano
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Document feed apparatus
- Patent number 4,227,644
- Issue date Oct 14, 1980
- Ricoh Company, Ltd.
- Yukio Sakano
- G06 - COMPUTING CALCULATING COUNTING

Yukio Sakano

Person

Patents Grantslast 30 patents

Original-discrimination system for discriminating special document,...

Image processing apparatus

Duplicator having function concerning specific mark put on recordin...

Image processing apparatus having function of magnification changin...

Image processing apparatus for providing an isolated-dot removing f...

Original-discrimination system for discriminating special document,...

Special-document discriminating apparatus and managing system for i...

Special-document discriminating apparatus and managing system for i...

Image processing apparatus

Image processing device having function of detecting dotted-image area

Method and apparatus for detecting a closed-loop area of an image

Image forming apparatus which adds identification information to re...

Image processing apparatus especially suitable for producing smooth...

Image processing apparatus for preventing occurrence of moire in ou...

Apparatus for converting and processing input bi-level image data a...

Image processing apparatus and method

Image recorder using pulse width modulation

Two dimensional half-tone dot discrimination device

Image processing apparatus

Two-dimensional memory unit having a 2d array of individually addre...

Digital copying apparatus

Two-color image recorder

Shading correction system for image scanning apparatus

Digital copier with document image region decision device

Method for writing data into a memory

CRT Display device

Document feed apparatus