MY

Makoto Yamahata

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,284,653 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5390010 Drive mechanism for an electrophotographic apparatus for ensuring equal rotational speeds of intermediate transfer and photosensitive devices Tomonori Takayama 1995-02-14
5086422 Optical disk apparatus Toshimichi Hagiya, Junichi Watanabe, Tetsuo Kanno, Hideo Inuzuka, Masaaki Sofue +1 more 1992-02-04