Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132044 | Fluorescent composition for low velocity electron beam excitation | Fumio Takahashi | 1992-07-21 |
| 5055227 | Fluorescent composition for low velocity electron beam excitation | Fumio Takahashi | 1991-10-08 |
| 5032316 | Fluorescent composition | Fumio Takahashi, Takashi Hase | 1991-07-16 |
| 5006277 | Fluorescent composition | Fumio Takahashi | 1991-04-09 |
| 4264696 | Electrophotographic photoreceptor | Hirokuni Kawashima, Kiyoshi Suzuki, Yoshiyuki Mimura | 1981-04-28 |