Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268691 | Red emitting phosphor for cathode ray tube | Hirofumi Takemura, Hiroyasu Yashima, Yohe Shimizu, Tsuyoshi Oyaizu, Akira Mikami | 2001-07-31 |
| 4629582 | Green-emitting phosphor | Kenji Terashima, Yoshio Kimura, Masao Asada | 1986-12-16 |
| 4565948 | Fluorescent lamp | Yoshio Kimura, Kenji Terashima, Masao Asada | 1986-01-21 |