Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166737 | Method for manufacturing phosphonate esters | Li-Biao Han, Masato Tanaka | 2007-01-23 |
| 6765107 | Method for manufacturing phosphonate esters | Li-Biao Han, Masato Tanaka | 2004-07-20 |