Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407747 | Cold working tool material and cold working tool manufacturing method | Tatsuya Shouji, Yukio Shinji, Katsufumi Kuroda | 2019-09-10 |
| 9890435 | Cold work tool material and method of manufacturing cold work tool | Tatsuya Shouji, Toru Taniguchi, Katsufumi Kuroda | 2018-02-13 |
| 7597737 | Method for producing steel ingot | Ken-ichiro Hara, Hidemi Takao, Etsuo Fujita | 2009-10-06 |
| 7445678 | Maraging steel and method of producing the same | Hidemi Takao, Ken-ichiro Hara, Etsuo Fujita | 2008-11-04 |
| 6451087 | Method for producing mother alloys for iron-based amorphous alloys | Yoshio Bizen, Takashi Meguro | 2002-09-17 |