Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863797 | Flame-retarded composite fiber | Keiji Ichibori, Youichi Kanabara | 1989-09-05 |
| 4833624 | Functioning-distributed robot control system | Hajime Kuwahara, Yutaka Ono | 1989-05-23 |