Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871354 | Copper-based sliding material | Kouji Zusi, Kentaro Tujimoto | 2014-10-28 |
| 8623517 | Copper-based sliding material | Ryo Sato, Kentaro Tujimoto | 2014-01-07 |
| 4924585 | Method and apparatus for continuous compression forging of continuously cast steel | Shinji Kojima, Toshitane Matsukawa, Toshio Fujimura | 1990-05-15 |
| 4596600 | Steel-making process in converter | Tetsuya Fujii, Toshikazu Sakuraya, Hideo Nakamura, Yasuhiro Habu | 1986-06-24 |
| 4353533 | Bottom tuyeres in an oxygen top-blown converter | Tatsukichi Chino, Masaaki Tsukamoto, Ryuichi Asaho, Nagayasu Bessho, Kyoji Nakanishi | 1982-10-12 |