Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D382582 | Laser beam printer | Naoki Tashiro, Akira Katsuno, Hiroyuki Tokuda | 1997-08-19 |
| 5591391 | High chromium ferritic heat-resistant steel | Hiroyuki Senba, Kaori Miyata | 1997-01-07 |