Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8476814 | Lamp device | Takashi Ibi, Sumio Uehara, Kyouichi Maseki, Yosuke Kano | 2013-07-02 |
| 7035023 | Lens system | Norihiro Nanba, Daisuke Ito, Makoto Sekita | 2006-04-25 |
| 5915822 | Meter with light transmitting board | Akihiro Ogura, Masanori Tone, Kazuo Arai, Tetsuhide Takeyama | 1999-06-29 |