Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017037 | Fluorescent substance and light emitting device using the same | Koutoku Ohmi, Kazuaki Tsuji | 2011-09-13 |
| 7997949 | External-electrode discharge lamp with no light leakage from external electrode portion | Seiichiro Fujioka | 2011-08-16 |
| 7963985 | Instrument for ultraviolet irradiation and ultraviolet irradiating apparatus | Akimichi MORITA | 2011-06-21 |
| 7605541 | External-electrode discharge lamp with no light leakage from external electrode portion | Seiichiro Fujioka | 2009-10-20 |
| 7241306 | Narrow-band UV-B phototherapeutic device | Yosuke Nishikage, Akimichi MORITA, Hisashi Yoshida | 2007-07-10 |
| 7215080 | External electrode type discharge lamp and method of manufacturing the same | Seiichiro Fujioka | 2007-05-08 |
| 6731057 | Phosphors for fluorescent lamps | Hisashi Yoshida, Kazuya Ito, Yosuke Nishikage | 2004-05-04 |
| 5586000 | Solid electrolytic capacitor and process for production thereof | Koji Sakata, Takashi Fukaumi, Toshihiko Nishiyama, Satoshi Arai, Hiromichi Taniguchi | 1996-12-17 |