Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803458 | Cellulose acetates and process for producing the cellulose acetates | Toru Ozaki, Hirofumi Sasai, Michiyo Nakai, Shinsuke Suzuki | 2004-10-12 |
| 6758037 | Exhaust emission control device of engine | Mikio Terada, Kazuya Oohashi, Kiyoshi Hatano | 2004-07-06 |