Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8878441 | Display device and guide lamp including same | Hideharu Kawachi, Shin Ukegawa, Tadasi Nisimura, Hiroyuki Hirose, Masanao Okawa | 2014-11-04 |
| 8198792 | Electrodeless discharge lamp, lighting fixture, and method for manufacturing electrodeless discharge lamp | Kazuhiko Sakai, Kohji Hiramatsu, Atsunori Okada | 2012-06-12 |
| 7719173 | Electrodeless discharge lamp and lighting apparatus using the same | Kazuhiko Sakai, Shin Ukegawa, Shigeki Matsuo | 2010-05-18 |