Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800687 | Method and apparatus for producing ethylene-vinyl acetate copolymer saponification product | Takaharu Kawahara, Toshio Tuboi, Tetsuya Hikasa | 2004-10-05 |
| 6686405 | Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and resin pellets | Takaharu Kawahara, Hiroshi Kawai, Toshio Tuboi, Masao Hikasa | 2004-02-03 |