Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784321 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Shinzo Seko, Noriyuki Doi, Naoto Konya | 2004-08-31 |
| 6660888 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Shinzo Seko, Noriyuki Doi, Naoto Konya | 2003-12-09 |