Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406642 | Polyether-containing composition suitable for use in a refrigerator | Hiroki Fukuda, Yoshihiro Ohtsuka | 2002-06-18 |
| 6395083 | Method for producing a cement admixture, concrete and fluorine-containing oxyalkylene compounds | Hiroki Fukuda, Yoshihiro Ohtsuka | 2002-05-28 |
| 6340779 | Cement admixture, concrete, and process for producing fluorooxyalylene compounds | Hiroki Fukuda, Yoshihiro Ohtsuka | 2002-01-22 |