Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644021 | Sustained release antimicrobial agents and methods of fouling control using the same | Fumio Toda, Masaru Okamoto | 1987-02-17 |
| 4221661 | Method of dehydrating organic sludge | Tohru Shimizu, Hideki Haji | 1980-09-09 |