Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375765 | Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof | Manabu Takahashi, Osamu Akisue, Koji Kishida, Tohru Yoshida | 2002-04-23 |
| 5618355 | High-strength steel sheet suitable for deep drawing and process for producing the same | Kazuo Koyama, Manabu Takahashi, Yasuharu Sakuma, Shunji Hiwatashi, Kaoru Kawasaki | 1997-04-08 |
| 4294095 | Process for fabricating heavy wall to pipe | Tsuyoshi Kawano, Toshio Hirokawa | 1981-10-13 |