Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594562 | Hand-writable polymer dispersed liquid crystal board set with high resistance layer adjacent conductive layer | Morio Sato, Jun Takano, Hirokazu Ishii, Yasuzo Murata | 1997-01-14 |