YK

Yuzo Katsumata

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,576,422 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7551867 Image forming apparatus including controller driving image carriers Tetsuo Yamanaka, Kazuhiko Kobayashi, Hiroyasu Shijo, Mineyo Takahashi 2009-06-23
7386259 Image forming apparatus including controller driving image carriers Tetsuo Yamanaka, Kazuhiko Kobayashi, Hiroyasu Shijo, Mineyo Takahashi 2008-06-10
7136600 Image forming apparatus including controller driving image carriers Tetsuo Yamanaka, Kazuhiko Kobayashi, Hiroyasu Shijo, Mineyo Takahashi 2006-11-14