Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812064 | Sheet securing mechanism | Masaki Izumi, Seishi Ohmori | 1989-03-14 |
AH
Atsushi Hatakeyama
Overall (1989): #130,566 of 140,708Top 95%
1
Patents 1989