Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344592 | Method of producing highly pure trimethylolpropane | Atsushi Iwamoto, Teruyuki Ninomiya, Toshio Watanabe | 2002-02-05 |
| 6080896 | Process for producing polyhydric alcohol | Teruyuki Ninomiya, Toshio Watanabe, Atsushi Iwamoto | 2000-06-27 |
| 6077980 | Process for producing polyhydric alcohol | Teruyuki Ninomiya, Toshio Watanabe, Atsushi Iwamoto | 2000-06-20 |
| 5840994 | Process for producing ditrimethylolpropane | Teruyuki Ninomiya, Toshio Watanabe, Atsushi Iwamoto | 1998-11-24 |
| 5608121 | Process for producing polyhydric alcohol | Teruyuki Ninomiya, Toshio Watanabe, Akira Mori, Atsushi Iwamoto | 1997-03-04 |
| 4792403 | Method of removing organic impurities from aqueous solution of hydrogen peroxide | Shizuo Togo, Yasuo Sugihara | 1988-12-20 |