Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842205 | Shredding machine | Yasuo Araki, Shougo Iwai, Yoshihalu Fujii | 1989-06-27 |
| 4817877 | Shredding machine | Shougo Iwai, Shizuo Yoshikawa | 1989-04-04 |
TI
Tetsuya Itoh
Overall (1989): #14,651 of 140,708Top 15%
2
Patents 1989