Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8901848 | Lighting apparatus | Hiroaki Watanabe, Keiichi Shimizu, Kozo Ogawa, Erika Takenaka, Akimichi Takahashi +1 more | 2014-12-02 |
| 8558272 | Illumination apparatus having a plurality of semiconductor light-emitting devices | Tomohiro Sanpei, Masahiro Izumi, Akiko Saito | 2013-10-15 |
| 8057072 | Light-emitting module and illumination apparatus | Erika Takenaka, Kozo Ogawa, Keiichi Shimizu, Hiroaki Watanabe, Akimichi Takahashi +1 more | 2011-11-15 |
| 7989840 | Illumination apparatus having a plurality of semiconductor light-emitting devices | Tomohiro Sanpei, Masahiro Izumi, Akiko Saito | 2011-08-02 |
| 7934856 | Illumination device with semiconductor light-emitting elements | Tomohiro Sanpei, Yumiko Hayashida, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda | 2011-05-03 |
| 7690817 | Illumination device with semiconductor light-emitting elements | Tomohiro Sanpei, Yumiko Hayashida, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda | 2010-04-06 |
| 7388337 | Fluorescent lamp lighting apparatus and lighting control system | Koji Takahasi, Toshiyuki Hiraoka, Noriyuki Kitamura, Naoko Iwai, Kazuyuki Uratani +2 more | 2008-06-17 |