YW

Yohichiroh Watanabe

Ricoh Company: 55 patents #171 of 9,818Top 2%
TY Takemoto Yushi: 2 patents #50 of 157Top 35%
Overall (All Time): #46,254 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
6566026 Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner Masanori Suzuki, Masahide Yamashita, Keiko Shiraishi, Kazuhito Watanabe, Kohki Katoh +2 more 2003-05-20
6363229 Full-color toner image fixing method and apparatus Keiko Shiraishi, Masanori Suzuki, Kazuhito Watanabe, Masahide Yamashita, Kohki Katoh +3 more 2002-03-26
6180298 Multi-color toner set and method of forming multi-color images, using the multi-color toner set Noboru Kuroda, Kohsuke Suzuki, Keiko Shiraishi 2001-01-30
6103441 Color toner for electrophotography Masami Tomita, Hiroyuki Fushimi, Keiko Shiraishi 2000-08-15
6074795 Toner for developing electrostatic latent image Keiko Shiraishi, Noboru Kuroda, Kohsuke Suzuki 2000-06-13