Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975619 | Silicate-based phosphor | Hiroshi Okura, Takeo Wakimoto, Yoshinobu Miyamoto | 2015-03-10 |
| 8017037 | Fluorescent substance and light emitting device using the same | Maki Minamoto, Kazuaki Tsuji | 2011-09-13 |
| 7517473 | Method for producing blue phosphor | Makoto Higuchi, Jun Itoh, Tomoyasu Yano, Asuka Sasakura | 2009-04-14 |
| 5300316 | Method of forming thin oxysulfide film | Takashi Nire | 1994-04-05 |