Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870744 | Tool exchange system for machining tools | Hiroshi Araki, Hisao Ishii, Yoshihisa Akiyama, Takashi Nagatomi | 1989-10-03 |
| 4813408 | Engine cooling device | Takehiko Katsumoto, Yoshiaki Danno, Daisuke Sanbayashi, Takashi Dogahara, Hidetsugu Kanao +8 more | 1989-03-21 |
| 4797946 | Information record/retrieval device | Yuji Katsuta, Sumio Kita, Sakuharu Takano | 1989-01-10 |