Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7348531 | Photoelectric conversion device and image pickup device using electron emission devices | Yoshiyuki Okuda, Katsumi Yoshizawa, Takamasa Yoshikawa, Hideo Satoh, Nobuyasu Negishi +1 more | 2008-03-25 |
| 5039558 | Optical recording medium and method of manufacturing thereof | Kunio Imai, Hideo Kudo, Masataka Uchidoi | 1991-08-13 |
| 4950520 | Optical recording medium and method manufacturing thereof | Kunio Imai, Hideo Kudo, Masataka Uchidoi | 1990-08-21 |