Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9247604 | Lighting device | Sayaka Nishi, Takashi Saito, Hiroki Noguchi, Naohiro Toda, Ayako Tsukitani +4 more | 2016-01-26 |
| 9084311 | Lighting device | Takashi Saito, Toshihide Mori, Ayako Tsukitani, Hiroshi Hamano, Akira Takashima +2 more | 2015-07-14 |
| 8981671 | Illumination system and illumination apparatus | Yosinori Karasawa, Shigeo Gotou | 2015-03-17 |
| 8764223 | Lighting device | Ayako Tsukitani, Takashi Saito, Akira Takashima, Kouichi Wada, Yoshinori Karasawa +2 more | 2014-07-01 |
| 8562132 | Photometry device | Takashi Saito, Hiroki Noguchi, Naohiro Toda, Ayako Tsukitani, Kouji Nishioka +4 more | 2013-10-22 |