Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226357 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Takuro Hiramatsu | 2015-12-29 |
| 8957592 | Electrical power conversion device and lighting device | — | 2015-02-17 |
| 8896225 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Takuro Hiramatsu | 2014-11-25 |
| 8884540 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Takuro Hiramatsu | 2014-11-11 |
| 8829817 | Power supply device and lighting equipment | Hirokazu Otake, Takuro Hiramatsu, Keiichi Shimizu | 2014-09-09 |
| 8643288 | Light-emitting device and illumination apparatus | Hirokazu Otake, Takuro Hiramatsu, Hiroshi Terasaka, Hiromichi Nakajima, Masahiko Kamata | 2014-02-04 |
| 8513902 | Power supply unit having dimmer function and lighting unit | Hirokazu Ohtake, Hiroshi Terasaka, Takuro Hiramatsu | 2013-08-20 |
| 8441204 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Takuro Hiramatsu | 2013-05-14 |
| 8354804 | Power supply device and lighting equipment | Hirokazu Otake, Takuro Hiramatsu, Keiichi Shimizu | 2013-01-15 |
| 8079736 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Takuro Hiramatsu +1 more | 2011-12-20 |
| 8047687 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Takuro Hiramatsu +1 more | 2011-11-01 |
| 8042973 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Takuro Hiramatsu +1 more | 2011-10-25 |
| 7722213 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Takuro Hiramatsu +1 more | 2010-05-25 |