Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9137859 | LED module and illumination device having a sensor suitable for downsizing | Katunobu Hamamoto, Koji Saeki | 2015-09-15 |
| 7898191 | Discharge lamp lighting device and light fixture | Katunobu Hamamoto, Yosikazu Kado, Hirosi Murayama, Hiroyuki Hirose | 2011-03-01 |