Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9392655 | LED lighting device and illuminating device | — | 2016-07-12 |
| 9155143 | LED lighting device and illuminating device | — | 2015-10-06 |
| 9071130 | Switching power supply device, switching power supply circuit, and electrical equipment | Yuji Takahashi, Koji Suzuki, Koji Takahashi, Toru Ishikita | 2015-06-30 |
| 9006974 | Switching power supply apparatus and luminaire | Yuji Takahashi, Hitoshi Kawano, Masatoshi Kumagai, Yosuke Saito | 2015-04-14 |
| 8988003 | LED lighting device and lighting equipment | Yuji Takahashi | 2015-03-24 |
| 8963439 | Power supply for lighting and luminaire | Hirokazu Otake, Yuji Takahashi, Toshio Tsuji | 2015-02-24 |
| 8917021 | Power supply apparatus and luminaire | Yuji Takahashi, Hirokazu Otake, Hiroshi Akahoshi | 2014-12-23 |
| 8901856 | Detection circuit, power circuit, and luminaire | — | 2014-12-02 |
| 8884539 | Rectifying circuit and power supply circuit | — | 2014-11-11 |
| 8884536 | Lighting power source and luminaire | Hirokazu Otake, Yuji Takahashi | 2014-11-11 |
| 8836234 | Power supply for lighting and luminaire | Hirokazu Otake, Yuji Takahashi | 2014-09-16 |
| 8803433 | Lighting power source and luminaire | Yuji Takahashi, Hirokazu Otake | 2014-08-12 |
| 8796938 | Switching power supply, luminaire, and control method for the luminaire | Yuji Takahashi, Koji Suzuki, Koji Takahashi, Toru Ishikita | 2014-08-05 |
| 8797015 | Switching power supply device, and adjustable power supply system including the same | Yuji Takahashi, Koji Takahashi, Toru Ishitaka, Koji Suzuki | 2014-08-05 |
| 8767413 | Integrated switching power supply device and electric apparatus | Yuji Takahashi | 2014-07-01 |
| 8749154 | Switching power supply, luminaire, and control method for the luminaire | Yuji Takahashi | 2014-06-10 |
| 8749152 | Switching power supply and luminaire | Yuji Takahashi | 2014-06-10 |
| 8742681 | LED lighting device, illuminating device and power supply therefore having a normally-on type switching element | — | 2014-06-03 |
| 8653743 | Switching power supply device and lighting apparatus | Yuji Takahashi | 2014-02-18 |
| 8643302 | Switching power-supply device and luminaire | Yuji Takahashi | 2014-02-04 |
| 8476840 | LED lighting device and lighting equipment | Keiichi Shimizu, Hiroshi Terasaka, Tomokazu Usami | 2013-07-02 |
| 8237374 | LED lighting device and lighting equipment | Yuji Takahashi | 2012-08-07 |
| 7388337 | Fluorescent lamp lighting apparatus and lighting control system | Koji Takahasi, Toshiyuki Hiraoka, Naoko Iwai, Kazuyuki Uratani, Shinji Nogi +2 more | 2008-06-17 |
| 7338635 | Analyzing apparatus | Takashi Miyake | 2008-03-04 |
| 7295785 | Receiver, electronic apparatus, and discharge lamp lighting apparatus | Yuuji Takahashi, Katsuyuki Kobayashi, Kazutoshi Mita, Hirokazu Otake, Keiichi Shimizu | 2007-11-13 |