Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471883 | Welded can and process for preparation thereof | Yoichi Kitamura, Hisashi Hotta | 1984-09-18 |
| 4409456 | Welded can and process for preparation thereof | Yoichi Kitamura, Hisashi Hotta | 1983-10-11 |
| 4404447 | Method of manufacturing a welded can body | Yoichi Kitamura, Hisashi Hotta, Makoto Ito | 1983-09-13 |
| 4401874 | Method of welding tin-free steel can | Yoichi Kitamura, Makoto Ito | 1983-08-30 |