Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8476814 | Lamp device | Takashi Ibi, Sumio Uehara, Yosuke Kano, Toshitaka Higuchi | 2013-07-02 |
| 8049424 | Light source incorporating a proximity guide portion on an external surface of a sealing portion for securing a trigger wire | Sumio Uehara, Tooru Nagase, Kouichi Nakajima, Makoto Ookahara, Yoshiaki Komatsu +2 more | 2011-11-01 |
| 7644596 | Method of manufacturing a glass reflector | Makoto Ookahara | 2010-01-12 |
| 7075232 | High-pressure discharge lamp | Makoto Okahara | 2006-07-11 |