Yuji Kitajima

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and toner replenishing device therefor
- Patent number 6,118,951
- Issue date Sep 12, 2000
- Ricoh Company, Ltd.
- Shunji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner sorting device for separating reusable toner from used toner...
- Patent number 5,950,062
- Issue date Sep 7, 1999
- Ricoh Co., Ltd.
- Masasumi Yahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with provisions for supplying toner therein
- Patent number 5,909,609
- Issue date Jun 1, 1999
- Ricoh Company, Ltd.
- Masasumi Yahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY