Kazumi Ishima

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, image forming method, and image forming pr...
- Patent number 7,961,208
- Issue date Jun 14, 2011
- Ricoh Company, Ltd.
- Shinichi Suzuki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 7,880,758
- Issue date Feb 1, 2011
- Ricoh Company, Ltd.
- Minoru Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming method and apparatus, and a recording medium storing...
- Patent number 7,484,827
- Issue date Feb 3, 2009
- Ricoh Company, Ltd.
- Minoru Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 7,432,946
- Issue date Oct 7, 2008
- Ricoh Company, Ltd.
- Minoru Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image recording apparatus
- Patent number 6,118,468
- Issue date Sep 12, 2000
- Ricoh Company, Ltd.
- Shunichi Ando
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Gain control circuit for use in shading compensation circuit
- Patent number 5,115,327
- Issue date May 19, 1992
- Ricoh Company, Ltd.
- Kazumi Ishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic gain control circuit of image reading apparatus
- Patent number 5,101,281
- Issue date Mar 31, 1992
- Ricoh Company, Ltd.
- Kazumi Ishima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reader for an image recording apparatus
- Patent number 4,989,100
- Issue date Jan 29, 1991
- Ricoh Company, Ltd.
- Kazumi Ishima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-tone recording method for ink jet printer
- Patent number 4,642,653
- Issue date Feb 10, 1987
- Ricoh Company, Ltd.
- Tadashi Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Control system and method for charge control ink jet printer
- Patent number 4,604,631
- Issue date Aug 5, 1986
- Ricoh Company, Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Deflection control ink jet printing apparatus
- Patent number 4,598,299
- Issue date Jul 1, 1986
- Ricoh Company, Ltd.
- Takahisa Koike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multicolor ink jet recording apparatus having means for preventing...
- Patent number 4,595,948
- Issue date Jun 17, 1986
- Ricoh Company, Ltd.
- Tadashi Itoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive circuit for temperature control heater in ink jet printer
- Patent number 4,590,362
- Issue date May 20, 1986
- Ricoh Company, Ltd.
- Kazumi Ishima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heater drive circuit for controlling ink temperature in ink jet pri...
- Patent number 4,564,749
- Issue date Jan 14, 1986
- Ricoh Company, Ltd.
- Kazumi Ishima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Power source device for ink jet printer
- Patent number 4,555,713
- Issue date Nov 26, 1985
- Ricoh Company, Ltd.
- Kazumi Ishima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Power supply circuit
- Patent number 4,494,178
- Issue date Jan 15, 1985
- Ricoh Company, Ltd.
- Kazumi Ishima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Liquid temperature control apparatus comprising initial temperature...
- Patent number 4,467,183
- Issue date Aug 21, 1984
- Ricoh Company, Ltd.
- Kazumi Ishima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Ink temperature control apparatus for ink jet printing apparatus
- Patent number 4,459,469
- Issue date Jul 10, 1984
- Ricoh Company, Ltd.
- Kazumi Ishima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic recording multi-stylus electrode device
- Patent number 4,165,514
- Issue date Aug 21, 1979
- Ricoh Co., Ltd.
- Kazumi Ishima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic recording multi-stylus electrode device
- Patent number 4,158,848
- Issue date Jun 19, 1979
- Ricoh Co., Ltd.
- Kazumi Ishima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...
- Publication number 20090290009
- Publication date Nov 26, 2009
- Shinichi Suzuki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090046137
- Publication date Feb 19, 2009
- Minoru MORIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070177001
- Publication date Aug 2, 2007
- Minoru Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Return light adverse effect suppressing optical unit, image forming...
- Publication number 20060285177
- Publication date Dec 21, 2006
- Minoru Morikawa
- G02 - OPTICS
Information Patent Application
Raster image processing method, image processing method, rasterizin...
- Publication number 20060268308
- Publication date Nov 30, 2006
- Shinichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming method and apparatus, and a recording medium storing...
- Publication number 20060082612
- Publication date Apr 20, 2006
- Minoru Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazumi Ishima

Person

Patents Grantslast 30 patents

Image forming apparatus, image forming method, and image forming pr...

Image forming apparatus

Image forming method and apparatus, and a recording medium storing...

Image forming apparatus

Image recording apparatus

Gain control circuit for use in shading compensation circuit

Automatic gain control circuit of image reading apparatus

Image reader for an image recording apparatus

Multi-tone recording method for ink jet printer

Control system and method for charge control ink jet printer

Deflection control ink jet printing apparatus

Multicolor ink jet recording apparatus having means for preventing...

Drive circuit for temperature control heater in ink jet printer

Heater drive circuit for controlling ink temperature in ink jet pri...

Power source device for ink jet printer

Power supply circuit

Liquid temperature control apparatus comprising initial temperature...

Ink temperature control apparatus for ink jet printing apparatus

Electrostatic recording multi-stylus electrode device

Electrostatic recording multi-stylus electrode device

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

Return light adverse effect suppressing optical unit, image forming...

Raster image processing method, image processing method, rasterizin...

Image forming method and apparatus, and a recording medium storing...