Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652067 | Organic electroluminescent device | Noritoshi Tomikawa, Takao Minato, Mitsunori Sugihara, Hisaya Sato | 1997-07-29 |
| 5635797 | Magnetron with improved mode separation | Seiji Kitakaze, Toshio Ogura, Tomokatsu Oguro, Iwao Umeki, Masumi Kuga | 1997-06-03 |