Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921577 | Water-based metal surface treatment agent | Takashi Ouchi, Masashi Kumagai | 2005-07-26 |
| 6916865 | Organic carboxylic acid salt composition, process for preparation thereof and additives for epoxy resins | Masashi Kumagai, Takashi Ouchi | 2005-07-12 |