Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7906042 | Branched surfactant having fluoroalkyl group and hydrocarbon group | Takabumi Nagai | 2011-03-15 |
| 7811473 | Branched surfactant having fluoroalkyl group and hydrocarbon group | Takabumi Nagai | 2010-10-12 |
| 7157002 | Process for the recovery of surfactants | Takabumi Nagai, Hideaki Asai | 2007-01-02 |
| 6674645 | High frequency signal switching unit | Tsunehiro Anzai, Kazuhiko Inoue, Masakazu Nishikawa | 2004-01-06 |