Toshihiko Takaya

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Matsudo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing unit for an image forming apparatus having adjoining fre...
- Patent number 5,289,241
- Issue date Feb 22, 1994
- Ricoh Company, Ltd.
- Toshihiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Single component developing device with velocity of roller dependen...
- Patent number 5,223,668
- Issue date Jun 29, 1993
- Ricoh Company, Ltd.
- Toshihiko Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus having a plurality of replaceable parts
- Patent number 5,196,884
- Issue date Mar 23, 1993
- Ricoh Company, Ltd.
- Toshihiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developing device
- Patent number 4,873,940
- Issue date Oct 17, 1989
- Ricoh Company, Ltd.
- Toyoji Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developing device for electrophotography
- Patent number 4,835,565
- Issue date May 30, 1989
- Ricoh Company, Ltd.
- Shinzi Nagatsuna
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thin film developing device
- Patent number 4,788,570
- Issue date Nov 29, 1988
- Ricoh Company, Ltd.
- Yoshihiro Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image developing apparatus
- Patent number 4,755,847
- Issue date Jul 5, 1988
- Ricoh Company, Ltd.
- Hiroyuki Matsushiro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toshihiko Takaya

Person

Patents Grantslast 30 patents

Developing unit for an image forming apparatus having adjoining fre...

Single component developing device with velocity of roller dependen...

Apparatus having a plurality of replaceable parts

Image developing device

Image developing device for electrophotography

Thin film developing device

Electrostatic latent image developing apparatus