Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264677 | Red colored phosphor and process for preparing the same | Kazuo Koyama, Takashi Miyagawa | 1981-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264677 | Red colored phosphor and process for preparing the same | Kazuo Koyama, Takashi Miyagawa | 1981-04-28 |