Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876703 | Rod-shaped light guide and vehicle lamp | Asami Sakashita, Kazuyuki Ishikawa, Hiroaki Hara, Hiroyuki Sonoda | 2020-12-29 |
| 10057967 | Lighting device and luminaire | Daisuke Yamahara, Hiroyuki Asano, Satoshi Yagi | 2018-08-21 |
| 9089034 | Lighting device and luminaire including the same | Masafumi Yamamoto, Satoru Nagata, Masato Himeda, Hisaya Takikita | 2015-07-21 |