Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504061 | Alkoxylation catalyst and method for producing the same, and method for producing alkylene oxide adduct using the catalyst | Takahiro Okamoto, Shingo Uemura | 2003-01-07 |
| 5750796 | Method of producing an alkylene oxide adduct of a compound having one or more active hydrogen | Takahiro Okamoto, Hisashi Sasamoto, Hirofumi Nakamura | 1998-05-12 |
| 5374750 | Method and manufacturing of fatty acid esters of polyoxyalkylene alkyl ethers | Hirofumi Nakamura, Yuji Fujimori, Yuichi Nakamoto | 1994-12-20 |