Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270950 | Machinable ferrite stainless steels | Tatsuo Fujiwara, Shozo Abeyama, Kiyohito Ishida | 1981-06-02 |
| 4219356 | Machinable ferritic stainless steels | Tatsuo Fujiwara, Shozo Abeyama, Kiyohito Ishida | 1980-08-26 |