Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689483 | Controlling system for optical storage apparatus using pulse width modulator | — | 1997-11-18 |
| 5676966 | Feed additive composition for ruminants | Nobuyoshi Kitamura, Susumu Shibahara | 1997-10-14 |
| 5631890 | Light modulation method for optical disk drive device | Shigenori Yanagi, Akira Minami | 1997-05-20 |