Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882517 | Electroluminescent composition containing organopolysiloxane and electroluminescent device usable as a back-lighting unit for liquid crystal display | Tatsushi Kaneko, Tohru Chiba | 1989-11-21 |
| 4843517 | Film capacitor | Tohru Chiba, Minoru Takamizawa | 1989-06-27 |