Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975446 | Optical amplifier, method for compensating for temperature dependency of gain flatness of an optical amplifier and optical transmission path including optical amplifier | Noriaki Shimada, Tetsuya Sakai, Akira Wada | 2005-12-13 |
| 6931945 | Doppler ultrasonic flowmeter | Michitsugu Mori | 2005-08-23 |