Mitsuo Hasebe

Person

Tokyo, JP

People

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
Color image forming apparatus separately correcting each color comp...
- Patent number 5,805,314
- Issue date Sep 8, 1998
- Ricoh Company, Ltd.
- Shunichi Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Testing image density to control toner concentration and dynamic ra...
- Patent number 5,298,944
- Issue date Mar 29, 1994
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Digital color copying machine with color separation
- Patent number 5,132,787
- Issue date Jul 21, 1992
- Ricoh Company, Ltd.
- Kyoji Omi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital color copier with color separation processing
- Patent number 5,087,968
- Issue date Feb 11, 1992
- Ricoh Company, Ltd.
- Kyoji Omi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital color copying machine
- Patent number 5,003,382
- Issue date Mar 26, 1991
- Ricoh Company, Ltd.
- Kyoji Omi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reproducing apparatus
- Patent number 4,951,160
- Issue date Aug 21, 1990
- Ricoh Company, Ltd.
- Yasumori Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus
- Patent number 4,916,547
- Issue date Apr 10, 1990
- Ricoh Company, Ltd.
- Akio Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for reproducing color images which are distinguishable in a...
- Patent number 4,907,078
- Issue date Mar 6, 1990
- Ricoh Company, Ltd.
- Mitsuo Hasebe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current-controlled image transfer
- Patent number 4,772,918
- Issue date Sep 20, 1988
- Ricoh Company, Ltd.
- Kazunori Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming method
- Patent number 4,578,331
- Issue date Mar 25, 1986
- Ricoh Company, Ltd.
- Itsuo Ikeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner density sensor for electrostatic copying machine
- Patent number 4,200,388
- Issue date Apr 29, 1980
- Ricoh Company, Ltd.
- Mitsuo Hasebe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning means for image transfer unit in electrophotographic copyi...
- Patent number 4,183,655
- Issue date Jan 15, 1980
- Ricoh Company, Ltd.
- Minoru Umahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus
- Patent number 4,176,943
- Issue date Dec 4, 1979
- Ricoh Company, Ltd.
- Mitsuo Hasebe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus comprising improved bias source for m...
- Patent number 4,149,796
- Issue date Apr 17, 1979
- Ricoh Company, Ltd.
- Tsukasa Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

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

Mitsuo Hasebe

Person

Patents Grantslast 30 patents

Abnormality diagnosing method, condition appraisal apparatus, image...

Color image forming apparatus separately correcting each color comp...

Testing image density to control toner concentration and dynamic ra...

Digital color copying machine with color separation

Digital color copier with color separation processing

Digital color copying machine

Image reproducing apparatus

Color image forming apparatus

Method for reproducing color images which are distinguishable in a...

Current-controlled image transfer

Color image forming method

Toner density sensor for electrostatic copying machine

Cleaning means for image transfer unit in electrophotographic copyi...

Electrophotographic apparatus

Electrophotographic apparatus comprising improved bias source for m...

Patents Applicationslast 30 patents

Abnormality diagnosing method, condition appraisal apparatus, image...