Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598502 | PTC heater for use in liquid with close electrical and thermal coupling between electrode plates and thermistors | Minoru Takahashi | 1997-01-28 |
| 5595853 | Optical image forming material | Naoto Yanagihara | 1997-01-21 |