Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626730 | Electrode structure | Takayuki Shimamune, Yasuo Nakajima | 1997-05-06 |
| 5194141 | Method for electrolytic tin plating of steel plate | Yasuo Nakajima, Yukiei Matsumoto | 1993-03-16 |
| 5141606 | Method for the electrolytic pickling or degreasing of steel plate | Yukiei Matsumoto, Takanobu Hayashi, Kuniaki Yamada | 1992-08-25 |
| 5089109 | Electrode protector | Kuniaki Yamada | 1992-02-18 |