Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11375589 | Lighting control method and lighting control device for semiconductor light emitting element, light emitting device | — | 2022-06-28 |
| 10499469 | Strobe apparatus having light-emitting semiconductor module driven by two-stepped drive current | — | 2019-12-03 |
| 7592752 | Lighting control circuit for flash discharge tube and method of use | Takayuki Yoneya | 2009-09-22 |
| 7052151 | Photography light source device | Toshiyuki Terada, Shigekazu Kato, Kimihiro Iritono | 2006-05-30 |
| 6104144 | Charging circuit for stroboscope | Takayuki Yoneya | 2000-08-15 |
| 5990631 | Stroboscope circuit controlling dimmer operation | Tatsuya Hioki | 1999-11-23 |