Katsumi Ishizawa

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Printing apparatus and feeding control method
- Patent number 8,851,772
- Issue date Oct 7, 2014
- Ricoh Company, Limited
- Mitsunobu Gouda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Exposure device for an electrophotographic apparatus
- Patent number 7,339,603
- Issue date Mar 4, 2008
- Ricoh Printing Systems, Ltd.
- Katsumi Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printers and printing method
- Patent number 6,601,951
- Issue date Aug 5, 2003
- Hitachi Koki Co., Ltd.
- Akitomo Kuwabara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fixing apparatus and method for electrophotographic apparatus inclu...
- Patent number 5,862,436
- Issue date Jan 19, 1999
- Hitachi Koki Co., Ltd.
- Katsumi Ishizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PRINTING APPARATUS AND FEEDING CONTROL METHOD
- Publication number 20130071169
- Publication date Mar 21, 2013
- Mitsunobu GOUDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Exposure device for an electrophotographic apparatus
- Publication number 20040227808
- Publication date Nov 18, 2004
- Hitachi Printing Solutions, Ltd.
- Katsumi Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Printers and printing method
- Publication number 20020011170
- Publication date Jan 31, 2002
- Akitomo Kuwabara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL