Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806387 | Process for preparation of allyl sulfone derivatives and intermediates for the preparation | Hirotada Kakiya, Shinzo Seko | 2004-10-19 |
| 6784321 | Process for producing retinol and intermediate compounds for producing the same | Shinzo Seko, Kazutaka Kimura, Noriyuki Doi, Naoto Konya | 2004-08-31 |
| 6683992 | Image decoding apparatus and image coding apparatus | Hiroaki Toida | 2004-01-27 |