Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444780 | Method of producing polyetherester monomer and cement dispersants | Mitsuo Kinoshita | 2002-09-03 |
| 6391183 | Apparatus for producing ozone water and method of producing ozone water by using the same apparatus | Takashi Tanioka, Mituo Terada, Akira Kanbeshiyama, Noriaki Okubo, Toshikazu Sawada | 2002-05-21 |