RN

Ryoichi Namiki

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
RC Richo Company: 1 patents #3 of 57Top 6%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #770,187 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4329565 Image fixing device Yuichiro Higashi 1982-05-11
4313981 Method of forming a roll protective layer 1982-02-02
4288514 Method for controlling image formation in electrophotography by pre-exposure step Noboru Kutsuwada, Minoru Saito, Katsuo Kusunoki 1981-09-08
4284875 Heat roller fixing apparatus Yuichiro Higashi, Toshiyuki Kikuchi, Ichiro Fukushima, Yasuo Asahina, Setsuo Soga 1981-08-18
4254733 Fixing device 1981-03-10
4240189 Method of producing heat pipe roller 1980-12-23
4229644 Heat pipe roller Yasuro Hayashi 1980-10-21