Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582658 | High strength steel sheet adapted for press forming and method of producing the same | Kei Sakata, Fusao Togashi, Masahiko Morita, Toshiyuki Kato | 1996-12-10 |
| 5312493 | Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same | Masahiko Morita, Toshiyuki Kato | 1994-05-17 |
| 5290370 | Cold-rolled high-tension steel sheet having superior deep drawability and method thereof | Susumu Okada, Susumu Satoh, Kei Sakata, Masahiko Morita, Toshiyuki Kato | 1994-03-01 |
| 5180449 | Galvanized high-strength steel sheet having low yield ratio and method of producing the same | Kei Sakata, Fusao Togashi | 1993-01-19 |
| 5089068 | Cold rolled steel sheets having improved spot weldability | Susumu Okada, Makoto Imanaka, Takashi Obara, Masatoshi Shinozaki, Kozo Tsunoyama | 1992-02-18 |
| 4889566 | Method for producing cold rolled steel sheets having improved spot weldability | Susumu Okada, Makoto Imanaka, Takashi Obara, Masatoshi Shinozaki, Kozo Tsunoyama | 1989-12-26 |