Sakae Ota

Follow

Person

Tokyo, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning a photosensitive member of an electrophotogr...
- Patent number 4,080,059
- Issue date Mar 21, 1978
- Ricoh Company, Ltd.
- Tatsuo Tani formerly Nishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Squeeze roller retraction assembly
- Patent number 4,056,315
- Issue date Nov 1, 1977
- Ricoh Company, Ltd.
- Kenzo Ariyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Construction of electrophotographic copying machines with a cleanin...
- Patent number 4,032,229
- Issue date Jun 28, 1977
- Ricoh Co., Ltd.
- Tatsuo Tani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY