Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7626047 | Method of producing fatty acid alkyl ester for diesel fuel oil | Keiichi Tsuto | 2009-12-01 |
| 6960672 | Processes for producing alkyl ester of fatty acid | Keiichi Tsuto, Takenori Hirano, Tsutomu Sakai, Ayato Kawashima, Hirohisa Kitagawa | 2005-11-01 |