Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426169 | Toner containing azo iron compound | Tsutomu Onuma, Hirohide Tanikawa, Nobuyuki Okubo, Yoshihiro Ogawa, Tsuneo Nakanishi +1 more | 2002-07-30 |
KY
Katsuhisa Yamazaki
Overall (All Time): #52,660 of 4,157,543Top 2%
51
Patents All Time