Issued Patents All Time
Showing 226–233 of 233 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707234 | Method for separating an acid and an alkali from an aqueous solution of a salt | Kenichi Fukuda, Yasuhiro Kurauchi | 1987-11-17 |
| 4666256 | Microscope objective lens | Yoshiyuki Shimizu | 1987-05-19 |
| 4627316 | Automatic screwdriver | Kouichi Mizu, Yasunori Jo | 1986-12-09 |
| 4576344 | Polyester film roll | Ichitaro Sasaki, Tadao Tsuyuguchi | 1986-03-18 |
| 4495841 | Automatic screwdriver | Kouichi Mizu, Yasunori Jo | 1985-01-29 |
| 4436551 | Process for making steel from direct-reduced iron | — | 1984-03-13 |
| 4418765 | Power-driven screwdriver with a torque control | Shuuji Hosokawa, Takao Naito | 1983-12-06 |
| 4324768 | Process for preparation of lead compounds | Yujiro Sugahara, Hiroyuki Naito, Mamoru Saito, Toshio Honma | 1982-04-13 |