Shizuo Tsuruta

Follow

Person

Hitachi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic image forming system
- Patent number 6,661,994
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, developing method, and an image forming apparatus
- Patent number 6,125,250
- Issue date Sep 26, 2000
- Hitachi, Ltd.
- Keiji Kamio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with positioning member of frame engaging s...
- Patent number 5,585,892
- Issue date Dec 17, 1996
- Hitachi, Ltd.
- Tomio Hayano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrophotographic image forming system
- Publication number 20020176726
- Publication date Nov 28, 2002
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming system
- Publication number 20020025201
- Publication date Feb 28, 2002
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY