Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490887 | Method for converting polychlorinated biphenyl oil into a resource, agent for decomposing polychlorinated biphenyl oil, and reclaimed material | Yasuhiro Kaizuka, Yoshiji Watanabe | 2002-12-10 |