Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729849 | Fluorine-containing surface active compositions | Iwao Hisamoto, Chiaki Maeda | 1988-03-08 |
| 4638089 | Fluorine-containing quaternary ammonium compounds and their production | Iwao Hisamoto, Chiaki Maeda | 1987-01-20 |
| 4609489 | Fluorine-containing surface active composition | Iwao Hisamoto, Chiaki Maeda | 1986-09-02 |
| 4472294 | Fluorine-containing compounds, and surface-tension lowering agent containing same | Iwao Hisamoto, Chiaki Maeda | 1984-09-18 |
| 4459221 | Fluorine-containing surface active composition | Iwao Hisamoto, Chiaki Maeda | 1984-07-10 |
| 4303534 | Foam fire-extinguishing composition and preparation and use thereof | Iwao Hisamoto, Chiaki Maeda, Takasige Esaka | 1981-12-01 |