Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423370 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Kenji Itaya, Shiro Iida | 2008-09-09 |
| 7414358 | Fluorescent lamp and manufacturing method for arc tube | Shiro Iida, Kenji Nakano, Noriyuki Uchida, Junichi Takahashi, Takashi Ueda +1 more | 2008-08-19 |
| 7411350 | Small arc tube, low-pressure mercury lamp, lighting apparatus, mandrel for forming the arc tube, and production method of the arc tube | Shiro Iida, Noriyuki Uchida | 2008-08-12 |
| 7401478 | Manufacturing methods of double-spiral arc tubes | Noriyuki Uchida, Takayuki Iwasaki, Shiro Iida | 2008-07-22 |
| 7196462 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Kenji Itaya, Shiro Iida | 2007-03-27 |
| 7132799 | Compact self-ballasted fluorescent lamp, fluorescent lamp and helical glass tube | Noriyuki Uchida, Shiro Iida, Kenji Nakano | 2006-11-07 |
| 7021985 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Kenji Itaya, Shiro Iida | 2006-04-04 |
| 6744205 | Discharge lamp with improved light distribution characteristics | Shiro Iida, Noriyuki Uchida, Kenji Nakano | 2004-06-01 |
| 6370916 | Flare manufacturing method | — | 2002-04-16 |
| 5331498 | Tape cassette including a locking slider | Mitsuo Utsumi, Osamu Zaitsu, Makoto Okuda, Jiro Kajino | 1994-07-19 |