Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356220 | A/D converting device, A/D converting method and optical pulse testing apparatus | — | 2002-03-12 |
| 6239643 | Offset correction circuit and DC amplification circuit | — | 2001-05-29 |
| 6122087 | Optical-frequency-stabilized light source | Seiji Nogiwa, Naoto Sato, Kazuo Aida, Hiroji Masuda | 2000-09-19 |
| 5786930 | Optical frequency sweep signal generator | Kazuo Aida, Kiyoshi Nakagawa | 1998-07-28 |