Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392105 | Process for production of fluoroalcohol | Toru Yoshizawa, Takashi Yasuhara, Yasunori Yokoyama | 2002-05-21 |
| 6294704 | Method for manufacturing fluoroalcohol | Toru Yoshizawa | 2001-09-25 |
| 6187969 | Process for producing fluoroalcohol | Fumihiko Yamaguchi, Toru Yoshizawa, Eiji Ogura, Toshiyuki Katsube | 2001-02-13 |
| 4973742 | Halogen-containing polyether | Yohnosuke Ohsaka, Takashi Tohzuka | 1990-11-27 |
| 4946972 | Process for distillation of 2,2,3,3-tetrafluorooxetane | Yohnosuke Ohsaka | 1990-08-07 |
| 4908460 | Process for purification of 2,2,3,3-tetrafluorooxetane | Yohnosuke Ohsaka | 1990-03-13 |
| 4886581 | Removal of hydrogen fluoride from 2,2,3,3-tetra-fluorooxetane | Yohnosuke Ohsaka, Hiroo Sakai | 1989-12-12 |
| 4845268 | Halogen-containing polyether | Yohnosuke Ohsaka, Takashi Tohzuka | 1989-07-04 |
| 4719052 | 2,2-difluoropropionic acid derivatives | Yohnosuke Ohsaka, Takashi Tohzuka, Yoshio Negishi, Satoru Kohno | 1988-01-12 |
| 4709060 | Substituted trifluorooxetanes | Yohnosuke Ohsaka | 1987-11-24 |
| 4604482 | Processes for producing .alpha.-fluoroacrylic acid esters and .alpha.-fluoroacrylic acid fluoride | Akira Ohmori, Takahiro Kitahara | 1986-08-05 |