Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348541 | Process for preparing a water-in-oil emulsion | Shoichi Kanda, Takeshi Narita, Masahiro Ushigome | 2002-02-19 |
| 5296577 | Process for producing acrylamide polymer | Hitoshi Tamura, Teruzo Otsuka, Shoichi Kanda | 1994-03-22 |
| 5185393 | Water-in-oil emulsion of cationic polymer | Shoichi Kanda, Takeshi Narita, Masahiro Ushigome | 1993-02-09 |