Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812800 | Atomic oscillator | Hideyuki Matsuura, Ken Atsumi, Yoshito Koyama | 2004-11-02 |
| 6800430 | Photothermographic material | Hirokazu Kyota, Toshihide Ezoe, Toyohisa Oya | 2004-10-05 |
| 6689233 | Hydrogen absorbing alloy and method for its production | Kiyotaka Yasuda, Daisuke Mukai, Shigeo Hirayama, Kazuhito Komatsu, Shinya Kagei | 2004-02-10 |