Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356494 | High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same | Susumu Okada, Kei Sakata, Susumu Satoh, Toshiyuki Kato | 1994-10-18 |
| 5332453 | High tensile steel sheet having excellent stretch flanging formability | Susumu Okada, Kouichi Hirata, Susumu Sato, Tsuguhiko Nakagawa | 1994-07-26 |
| 5312493 | Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same | Susumu Masui, Toshiyuki Kato | 1994-05-17 |
| 5290370 | Cold-rolled high-tension steel sheet having superior deep drawability and method thereof | Susumu Okada, Susumu Masui, Susumu Satoh, Kei Sakata, Toshiyuki Kato | 1994-03-01 |
| 5139583 | Graphite precipitated hot-rolled steel plate having excellent bending workability and hardenability and method therefor | Yoshikazu Kawabata, Fusao Togashi | 1992-08-18 |
| 5074934 | Flexible hot rolled steel sheets having improved deep drawability | Koichi Hashiguchi, Fusao Togashi | 1991-12-24 |
| 4974424 | Method and system for cooling strip | Akio Tosaka, Koichi Hashiguchi, Shinobu Okano | 1990-12-04 |
| 4709557 | Method and system for cooling strip | Akio Tosaka, Koichi Hashiguchi, Shinobu Okano | 1987-12-01 |
| 4686471 | System for online-detection of the transformation value and/or flatness of steel or a magnetic material by detecting changes in induced voltages due to interlinked magnetic fluxes in detecting coils | Osamu Hashimoto, Tomoo Tanaka | 1987-08-11 |
| 4648916 | Method of controlling cooling of hot-rolled steel sheet and system therefor | Osamu Hashimoto | 1987-03-10 |
| 4502897 | Method for producing hot-rolled steel sheets having a low yield ratio and a high tensile strength due to dual phase structure | Junichi Mano, Minoru Nishida, Tomoo Tanaka, Nobuo Aoyagi, Syoichi Takizawa | 1985-03-05 |