Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867032 | Enzymatic unhairing agent for use in tanning for producing leather and method for enzymatic unhairing treatment | Atsushi Sugiyama, Akira Ohta | 2005-03-15 |
| 6843212 | Engine with variable compression ratio | Sei Watanabe | 2005-01-18 |