Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226357 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Mitsuhiko Nishiie | 2015-12-29 |
| 8976558 | Power supply device with smoothing capacitor and falling voltage chopper circuit | Go Kato, Kenji Sakai, Chikako Katano, Hiroshi Takenaga, Tomoaki Shimizu | 2015-03-10 |
| 8970127 | Lighting circuit and illumination device | Mitsuhiro Matsuda, Naoko Iwai, Hajime Osaki, Hiroshi Kubota, Katsusuke Uchino +1 more | 2015-03-03 |
| 8928237 | Luminaire | Hirokazu Otake, Fumihiko Nagasaki, Katsuya Ooto | 2015-01-06 |
| 8896225 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Mitsuhiko Nishiie | 2014-11-25 |
| 8884540 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Mitsuhiko Nishiie | 2014-11-11 |
| 8829817 | Power supply device and lighting equipment | Hirokazu Otake, Mitsuhiko Nishiie, Keiichi Shimizu | 2014-09-09 |
| 8643288 | Light-emitting device and illumination apparatus | Hirokazu Otake, Hiroshi Terasaka, Mitsuhiko Nishiie, Hiromichi Nakajima, Masahiko Kamata | 2014-02-04 |
| 8513902 | Power supply unit having dimmer function and lighting unit | Hirokazu Ohtake, Hiroshi Terasaka, Mitsuhiko Nishiie | 2013-08-20 |
| 8441204 | Power supply device and lighting equipment provided with power supply device | Hirokazu Otake, Mitsuhiko Nishiie | 2013-05-14 |
| 8415889 | LED lighting equipment | Masahiko Kamata, Hiroshi Kubota, Hiroshi Terasaka, Toshiyuki Hiraoka | 2013-04-09 |
| D679667 | Light emitting diode module | Yusuke Shibahara, Tsutomu Araki, Takeshi Hisayasu | 2013-04-09 |
| 8376562 | Light-emitting module, self-ballasted lamp and lighting equipment | Shigeru Osawa, Masahiko Kamata, Tsutomu Araki, Hitoshi Kawano | 2013-02-19 |
| 8354804 | Power supply device and lighting equipment | Hirokazu Otake, Mitsuhiko Nishiie, Keiichi Shimizu | 2013-01-15 |
| 8305010 | Light-emitting diode lighting device with step-down chopper | Masahiko Kamata, Hajime Osaki, Hirokazu Otake, Shinya Hakuta, Toshiyuki Hiraoka +1 more | 2012-11-06 |
| 8079736 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more | 2011-12-20 |
| 8047687 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more | 2011-11-01 |
| 8042973 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more | 2011-10-25 |
| 7722213 | Lighting apparatus | Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more | 2010-05-25 |