Kiyotaka Ohta

Follow

Person

Soka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner replenishing and developer replacing device for a developing...
- Patent number 6,125,243
- Issue date Sep 26, 2000
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishing and developer replacing device for a developing...
- Patent number 5,915,155
- Issue date Jun 22, 1999
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Continuous plural page copying method for a copier
- Patent number 4,965,871
- Issue date Oct 23, 1990
- Ricoh Company, Ltd.
- Masaaki Ogura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY