Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803988 | Field flattener for flattening a bent image surface | Yasuhisa Tamagawa | 2004-10-12 |
| 6785044 | Infrared transparent optical element and infrared imaging camera using the same | Shintaro Minami, Osamu Hayashi, Yasuhisa Tamagawa, Makoto Kamozawa, Tetsuyuki Kurata | 2004-08-31 |
| 6725041 | Mobile communication terminal apparatus and received signal strength detecting method | — | 2004-04-20 |