Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767946 | Water and oil repelent composition and shaped product thereof | Toyomichi Shimada, Masako Tada | 2004-07-27 |
| 6716944 | Water and oil repellent composition | Minako Shimada, Shuichiro Sugimoto, Ryuji Seki | 2004-04-06 |