Kazuyuki Yazaki

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrographic image formation method
- Patent number 7,029,816
- Issue date Apr 18, 2006
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for two-component developer, image forming method and device...
- Patent number 6,887,636
- Issue date May 3, 2005
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component developer, image forming apparatus, and image forming...
- Patent number 6,790,575
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of toner for developing electrostatic image
- Patent number 6,503,681
- Issue date Jan 7, 2003
- Ricoh Company, Ltd.
- Nobuyasu Makino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of producing toner for developing latent electrostatic images
- Patent number 6,368,765
- Issue date Apr 9, 2002
- Ricoh Company, Ltd.
- Mitsuyoshi Izu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrographic image formation method
- Publication number 20040224247
- Publication date Nov 11, 2004
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for two-component developer, image forming method and device...
- Publication number 20030104297
- Publication date Jun 5, 2003
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two-component developer, image forming apparatus, and image forming...
- Publication number 20030073021
- Publication date Apr 17, 2003
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image formation method
- Publication number 20020039698
- Publication date Apr 4, 2002
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method of producing toner for developing latent electrostatic images
- Publication number 20010010888
- Publication date Aug 2, 2001
- RICOH COMPANY, LTD.
- Mitsuyoshi Izu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Process for the production of toner for developing electrostatic image
- Publication number 20010006197
- Publication date Jul 5, 2001
- RICOH COMPANY, LTD.
- Nobuyasu Makino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY