Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696389 | Light-emitting semiconductor device | Masayuki Ishikawa, Hideto Sugawara, Yukie Nishikawa, Masaaki Onomura, Peter James Parbrook +5 more | 1997-12-09 |
| 5693397 | Magnetic recording medium having a magnetic layer containing hexagonal ferrite magnetic particles and specified Hc, Hk and Hc/Hk | Nobuo Yamazaki, Hitoshi Noguchi | 1997-12-02 |
| 5645917 | Magnetic recording medium | Kiyomi Ejiri, Hiroo Inaba, Satoru Hayakawa | 1997-07-08 |
| 5640116 | PLL circuit of pulse swallow-type prescaler system | Akira Kobayashi | 1997-06-17 |
| 5601916 | Magnetic recording medium having a magnetic layer comprising hexagonal ferrite particles | Nobuo Yamazaki, Hitoshi Noguchi | 1997-02-11 |
| 5597638 | Magnetic recording medium | Nobuo Yamazaki | 1997-01-28 |