KY

Keizou Yasuda

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,250,179 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5915147 Image fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil inside Yuzou Kouno, Toshiaki Higaya, Hiroshi Yokoyama, Jyunji Nakai, Masahiko Sato +2 more 1999-06-22
5832354 Image fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil inside Yuzou Kouno, Toshiaki Higaya, Hiroshi Yokoyama, Jyunji Nakai, Masahiko Sato +2 more 1998-11-03