Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456768 | Surface treatment of stainless steel component for semiconductor manufacturing apparatus | Ikuro Hashimaoto, Koji Wada | 1995-10-10 |
| 4664725 | Nitrogen-containing dual phase stainless steel with improved hot workability | Kazuo Fujiwara, Takenori Nakayama | 1987-05-12 |
| 4486231 | Dual phase stainless steel suitable for use in sour wells | Kazuo Fujiwara, Osamu Aritomi, Nobuhiro Sato | 1984-12-04 |