KO

Kazuhiko Okuyama

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
Overall (All Time): #2,019,101 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9517903 Paper feeding device and image forming apparatus Atsunori Yoshida, Joji Akiyama, Takashi Nakano, Yukihiko Natsui, Naoki Oikawa +2 more 2016-12-13
4959007 Insert-type rotary core mold apparatus 1990-09-25