Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184400 | Method of manufacturing a fatty acid ester of polyoxyalkylene alkyl ether | Ituo Hama, Takahiro Okamoto, Hirofumi Nakamura | 2001-02-06 |
| 5817844 | Method of manufacturing a fatty acid ester of polyoxyalkylene alkyl ether | Ituo Hama, Takahiro Okamoto, Hirofumi Nakamura | 1998-10-06 |
| 5750796 | Method of producing an alkylene oxide adduct of a compound having one or more active hydrogen | Itsuo Hama, Takahiro Okamoto, Hirofumi Nakamura | 1998-05-12 |