YI

Yoshiharu Iwanaga

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #1,055,243 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5509647 Sheet guiding device having obliquely-movable sheet restriction portion 1996-04-23
5273269 Sheet feeding apparatus 1993-12-28
4508334 System for separating transfer-printing sheet 1985-04-02
4402103 Cleaning unit for copying machine Nobuyuki Yanagawa, Toyozi Ishikawa 1983-09-06
4208233 Lithographic and etching apparatus 1980-06-17