Tetsuo Isoda

Person

Numazu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner replenishing method for use in development process, and devel...
- Patent number 5,710,962
- Issue date Jan 20, 1998
- Ricoh Company, Ltd.
- Tetsuo Isoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic images
- Patent number 5,614,347
- Issue date Mar 25, 1997
- Ricoh Company, Ltd.
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component dry type developer for developing latent electrostati...
- Patent number 5,225,302
- Issue date Jul 6, 1993
- Ricoh Company, Ltd.
- Tetsuo Isoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry toner for developing latent electrostatic images with improved...
- Patent number 4,956,258
- Issue date Sep 11, 1990
- Ricoh Company, Ltd.
- Yoichiro Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier particles for use in a two-component dry-type developer
- Patent number 4,927,728
- Issue date May 22, 1990
- Ricoh Company, Ltd.
- Tetsuo Isoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic images
- Patent number 4,908,290
- Issue date Mar 13, 1990
- Ricoh Company, Ltd.
- Yoichiro Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier particles for use in a developer for developing latent elec...
- Patent number 4,672,016
- Issue date Jun 9, 1987
- Ricoh Company, Ltd.
- Tetsuo Isoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silicone resin coated carrier particles for use in a two-component...
- Patent number 4,584,254
- Issue date Apr 22, 1986
- Ricoh Company, Ltd.
- Nobuhiro Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Product information contrast system
- Publication number 20040216040
- Publication date Oct 28, 2004
- RICOH COMPANY, LTD.
- Mariko Aduma
- G06 - COMPUTING CALCULATING COUNTING

Tetsuo Isoda

Person

Patents Grantslast 30 patents

Toner replenishing method for use in development process, and devel...

Toner for developing latent electrostatic images

Two-component dry type developer for developing latent electrostati...

Dry toner for developing latent electrostatic images with improved...

Carrier particles for use in a two-component dry-type developer

Toner for developing latent electrostatic images

Carrier particles for use in a developer for developing latent elec...

Silicone resin coated carrier particles for use in a two-component...

Patents Applicationslast 30 patents

Product information contrast system