Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653783 | Self-ballasted electrodeless discharge lamp with startability improving means | Mitsuharu Kawasaki, Koji Miyazaki, Kiyoshi Hashimotodani | 2003-11-25 |
| 6650068 | Induction coil core, illumination unit using the same, and polycrystalline ferrite | Koji Miyazaki, Katsushi Seki, Mamoru Takeda | 2003-11-18 |
| 6642671 | Electrodeless discharge lamp | Satoshi Kominami, Kouji Miyazaki, Kenichirou Takahashi, Kenichi Sasaki | 2003-11-04 |
| 6522084 | Electrodeless discharge lamp operating apparatus | Koji Miyazaki, Mamoru Takeda, Katsushi Seki, Young-Jae Cho | 2003-02-18 |