Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806387 | Process for preparation of allyl sulfone derivatives and intermediates for the preparation | Toshiya Takahashi, Hirotada Kakiya | 2004-10-19 |
| 6784321 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Kazutaka Kimura, Noriyuki Doi, Naoto Konya | 2004-08-31 |