Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974424 | Method and system for cooling strip | Akio Tosaka, Koichi Hashiguchi, Masahiko Morita | 1990-12-04 |
| 4902387 | Chromate-treated zinc-plated steel strip and method for making | Yuko Takeuchi, Yuki Nakahara, Hajime Kimura | 1990-02-20 |
| 4857117 | Method of manufacturing a cold-rolled steel sheet having a good deep drawability | Kei Sakata, Koichi Hashiguchi | 1989-08-15 |
| 4804587 | Chromate-treated zinc-plated steel strip and method for making | Yuko Takeuchi, Yuki Nakahara, Hajime Kimura | 1989-02-14 |
| 4709557 | Method and system for cooling strip | Akio Tosaka, Koichi Hashiguchi, Masahiko Morita | 1987-12-01 |