Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7087800 | Process for producing a polyol | Toshio Watanabe, Atsushi Iwamoto, Soemu Miyashita, Masafumi Watanabe | 2006-08-08 |
| 6344592 | Method of producing highly pure trimethylolpropane | Atsushi Iwamoto, Toshio Watanabe, Takaki Ikebe | 2002-02-05 |
| 6080896 | Process for producing polyhydric alcohol | Toshio Watanabe, Takaki Ikebe, Atsushi Iwamoto | 2000-06-27 |
| 6077980 | Process for producing polyhydric alcohol | Toshio Watanabe, Takaki Ikebe, Atsushi Iwamoto | 2000-06-20 |
| 5840994 | Process for producing ditrimethylolpropane | Toshio Watanabe, Takaki Ikebe, Atsushi Iwamoto | 1998-11-24 |
| 5608121 | Process for producing polyhydric alcohol | Toshio Watanabe, Akira Mori, Takaki Ikebe, Atsushi Iwamoto | 1997-03-04 |
| 4933473 | Process for producing neopentyl glycol | Tomiyoshi Furuta, Seiji Kita, Yoshimi Fujii | 1990-06-12 |
| 4762947 | Process for producing 2,2-dimethyl-1,3-propanediol mono(hydroxypivalate) | Yumiko Kudo | 1988-08-09 |
| 4216337 | Process for preparing esters | Makoto Baba, Chieko Ono | 1980-08-05 |