Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884621 | Hydraulic control method for implements | Keisuke Ban, Bakugo Fujito, Kousuke Kikuchi | 1989-12-05 |
| 4846252 | Secondary pressurization casting method | Keisuke Ban, Bakugo Fujito, Michio Konishi | 1989-07-11 |
| 4833047 | Electrolyte feeder for battery | Toshihiro Isoi, Shuji Takahashi | 1989-05-23 |