Yoshihiro Suguro

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

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
Toner, external additive therefor and image forming method using th...
- Patent number 6,503,676
- Issue date Jan 7, 2003
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electrophotographic toner and image forming method using the toner
- Patent number 6,432,590
- Issue date Aug 13, 2002
- Ricoh Company, Ltd.
- Hideyuki Ueda
- 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
Method of producing toner for developing latent electrostatic images
- Patent number 5,565,298
- Issue date Oct 15, 1996
- Ricoh Company, Ltd.
- Yoshihiro Suguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic images
- Patent number 5,380,616
- Issue date Jan 10, 1995
- Ricoh Company, Ltd.
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diazo-type thermosensitive recording material with imidazole compound
- Patent number 4,575,479
- Issue date Mar 11, 1986
- Ricoh Company, Ltd.
- Masanaka Nagamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diazo-type thermosensitive recording material
- Patent number 4,542,394
- Issue date Sep 17, 1985
- Ricoh Company, Ltd.
- Yoshihiro Suguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diazo-type thermosensitive recording material
- Patent number 4,454,521
- Issue date Jun 12, 1984
- Ricoh Company, Ltd.
- Yoshihiro Suguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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
Toner, external additive therefor and image forming method using th...
- Publication number 20010051270
- Publication date Dec 13, 2001
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- B82 - NANO-TECHNOLOGY

Yoshihiro Suguro

Person

Patents Grantslast 30 patents

Two-component developer, image forming apparatus, and image forming...

Toner, external additive therefor and image forming method using th...

Electrophotographic toner and image forming method using the toner

Toner for developing latent electrostatic images

Method of producing toner for developing latent electrostatic images

Toner for developing latent electrostatic images

Diazo-type thermosensitive recording material with imidazole compound

Diazo-type thermosensitive recording material

Diazo-type thermosensitive recording material

Patents Applicationslast 30 patents

Two-component developer, image forming apparatus, and image forming...

Toner, external additive therefor and image forming method using th...