Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444857 | Process for producing vitamin A aldehyde and intermediate for producing the same | Naoto Konya, Toshiya Takahashi | 2002-09-03 |
| 6388124 | Dihalo-compound and process for producing vitamin A derivative | Toshiya Takahashi | 2002-05-14 |
| 6355841 | Process for producing &bgr;-carotene | Naoto Konya | 2002-03-12 |
| 6348622 | Vitamin a related compounds and process for producing the same | Toshiya Takahashi, Takashi Miki | 2002-02-19 |