Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670065 | Cold rolled steel suitable for enamel coating and method for making | Akira Yasuda, Junko Ikehira, Kenji Itoh, Kozou Tsunoyama | 1987-06-02 |
| 4517031 | Method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability | Hirotake SATO, Akira Yasuda | 1985-05-14 |