Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948289 | Laser beam machining method | Shunichi Uchinami | 1999-09-07 |
| 5478622 | Magnetic disk | Kouichi Nakamura, Hirotsugu Kodama | 1995-12-26 |
| 4687712 | Vertical magnetic recording medium | Ryuji Sugita, Kazuyoshi Honda, Hiroshi Nishida | 1987-08-18 |