Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180266 | Cutting tool | Hirokuni Amano, Yuji Shimatani, Kiyoshi Nakagawa | 2001-01-30 |
| 5559398 | Cathode ray tube and method of making the same | Hiroyuki Minagawa, Koji Sugimoto | 1996-09-24 |