Chuji Ishikawa

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Temperature detecting unit with fixing apparatus
- Patent number 7,363,859
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Chuji Ishikawa
- G01 - MEASURING TESTING
Information Patent Grant
Temperature detecting unit and fixing apparatus
- Patent number 7,040,806
- Issue date May 9, 2006
- Ricoh Company, Ltd.
- Chuji Ishikawa
- G01 - MEASURING TESTING
Information Patent Grant
Heat roller for a fixing device
- Patent number 6,595,907
- Issue date Jul 22, 2003
- Ricoh Company, Ltd.
- Chuji Ishikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Waste toner collecting device for an image recorder
- Patent number 5,132,740
- Issue date Jul 21, 1992
- Ricoh Company, Ltd.
- Keiji Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Small clearance retention apparatus
- Patent number 4,258,372
- Issue date Mar 24, 1981
- Ricoh Company, Ltd.
- Chuji Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording apparatus
- Patent number 4,257,054
- Issue date Mar 17, 1981
- Ricoh Company, Ltd.
- Chuji Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Temperature detecting unit and fixing apparatus
- Publication number 20060153275
- Publication date Jul 13, 2006
- Chuji Ishikawa
- G01 - MEASURING TESTING
Information Patent Application
Temperature detecting unit and fixing apparatus
- Publication number 20040057493
- Publication date Mar 25, 2004
- Chuji Ishikawa
- G01 - MEASURING TESTING