Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126759 | Steel sheet for 2-piece battery can having excellent formability, anti secondary work embrittlement and corrosion resistance | Yoshihiro Hosoya, Katsumi Tanikawa, Katsumi Kojima, Takashi Awaya | 2000-10-03 |
| 5436058 | Laminated steel sheet for cans | Hiroyuki Kato, Takaaki Kondo, Naoyuki Ooniwa | 1995-07-25 |
| 4898649 | Method for manufacturing electrolytically chromated steel sheet | Hiroki Iwasa, Toyofumi Watanabe | 1990-02-06 |
| 4875984 | Method for manufacturing electrolytically chromated steel sheet | Hiroki Iwasa, Toyofumi Watanabe | 1989-10-24 |