Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882517 | Electroluminescent composition containing organopolysiloxane and electroluminescent device usable as a back-lighting unit for liquid crystal display | Kazumasa Maruyama, Tatsushi Kaneko | 1989-11-21 |
| 4843517 | Film capacitor | Kazumasa Maruyama, Minoru Takamizawa | 1989-06-27 |
| 4837033 | Method for the preparation of a coated solid medicament | Hiroyasu Kokubo, Fujio Sekigawa | 1989-06-06 |