Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020067 | Phosphor having surface coated with a quaternary salt-containing compound | Tetsuji Iwama, Masami Hirono, Masaru Naito, Makoto Hattori | 2000-02-01 |
| 4544605 | Phosphor | Tomohiro Miyazaki, Hitoshi Tanaka, Goro Matsumoto, Susumu Omatoi | 1985-10-01 |