Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803442 | Masterbatch method for processing polyester resin and articles thereof | Yukio Kobayashi, Yoshitomo Urata, Toshio Tanaka | 2004-10-12 |
| 6776182 | Sealing structure of stop valve | Akihiro Ishitoya, Kimiyasu Kimura, Kenichi Ito | 2004-08-17 |