Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439521 | Light-emitting module and luminaire | Keiichi Shimizu, Hiroaki Watanabe, Naoki Sugishita | 2013-05-14 |
| 8393765 | Luminaire | Naoki Sugishita, Takafumi Oishi, Yasuhiko Ishii, Masanao Hieda, Yutaka Hashimoto | 2013-03-12 |
| D615240 | Lighting fixture | Naoki Sugishita | 2010-05-04 |
| D607143 | Lighting fixture | Naoki Sugishita | 2009-12-29 |
| D606703 | Lighting fixture | Naoki Sugishita, Masanao Hieda, Yasuhiko Ishii, Yutaka Hashimoto | 2009-12-22 |
| D606242 | Lighting fixture | Akimichi Takahashi, Naoki Sugishita, Masanao Hieda, Hiroaki Watanabe | 2009-12-15 |