Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268691 | Red emitting phosphor for cathode ray tube | Hirofumi Takemura, Satoshi Sugano, Hiroyasu Yashima, Tsuyoshi Oyaizu, Akira Mikami | 2001-07-31 |
| 6248261 | Electroluminescent phosphor and electroluminescent element using the same | Hirofumi Takemura, Takeshi Takahara, Mitsuhiro Oikawa | 2001-06-19 |