Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773597 | Method and apparatus for reducing excess sludge | Toshiki Yoshimura, Kunihiko Miseki | 2004-08-10 |
| 6704509 | Compact optical performance monitor | Wei-Lien Yang, Li Chen | 2004-03-09 |