Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478947 | Treatment method of waste oil or waste edible oil | Kohji Nagasaku, Sungrak Jang | 2002-11-12 |
| 6407277 | Process for the preparation of phosphoric monoester | Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda | 2002-06-18 |