Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572716 | Fine ferrite-based structure steel production method | Tohru Hayashi, Shiro Torizuka, Kotobu Nagai, Osamu Umezawa | 2003-06-03 |
| 6546808 | Method of evaluating high fatigue strength material in high tensile strength steel and creation of high fatigue strength material | Tatsuaki Sawai, Saburo Matsuoka, Takayuki Abe, Etsuo Takeuchi, Kensuke Miyahara +2 more | 2003-04-15 |
| 6523416 | Method for setting shape and working stress, and working environment of steel member | Shusaku Takagi, Tadanobu Inoue | 2003-02-25 |