Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883375 | Printing device | Yuji Kawahara | 1989-11-28 |
| 4875790 | Printing device having gear connected multiple feed paths | Toshimasa Hayakawa, Yasunari Yoshida | 1989-10-24 |
YK
Yoshiyuki Karube
Overall (1989): #12,484 of 140,708Top 9%
2
Patents 1989