Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8148884 | Electrodeless discharge lamp | Hidenori Kakehashi, Keisuke Harada | 2012-04-03 |
| 7884546 | Electrodeless discharge lamp apparatus and lighting fixture with the electrodeless discharge lamp apparatus | Hiroshi Ogasawara, Hidenori Kakehashi, Keisuke Harada, Yoshinobu Shibata | 2011-02-08 |
| 7728500 | Electrodeless discharge lamp | Hiroshi Ogasawara, Hidenori Kakehashi, Ryusuke Ura, Keisuke Harada, Yoshinobu Shibata +2 more | 2010-06-01 |
| 6726379 | Camera focal plane shutter | Kenichi Watabe | 2004-04-27 |