Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219733 | Process for preparing fatty acid esters | Youichi Matsufune, Shiro Yoshikawa | 1993-06-15 |
| 5155245 | Process for refining lanolins | Takeshi Osada, Mikinobu Sato, Shiro Yoshikawa | 1992-10-13 |