Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227516 | Fluorine-containing polyether and nonionic surfactant comprising the same | Sueyoshi Ishikawa, Ikuo Yamamoto | 1993-07-13 |
| 5214216 | Fluorine-containing polyether and nonionic surfactant comprising the same | Sueyoshi Ishikawa, Ikuo Yamamoto | 1993-05-25 |
| 5132446 | Fluorine-containing phosphate ester, its preparation and its use for preventing rust | Yoshiaki Kataoka, Sueyoshi Ishikawa | 1992-07-21 |
| 5004554 | Fluorine-containing polyether and lubricant comprising the same | Ikuo Yamamoto, Yoshihiko Misugi | 1991-04-02 |
| 4985161 | Fluorine-containing grease and its preparation | Yoshiaki Kataoka, Sueyoshi Ishikawa, Koji Fujiwara | 1991-01-15 |
| 4973742 | Halogen-containing polyether | Yohnosuke Ohsaka, Shoji Takaki | 1990-11-27 |
| 4973762 | Process for production of polyfluoroiodide | Koji Fujiwara | 1990-11-27 |
| 4904417 | Fluorine-containing polyether and process for preparing the same | Yohnosuke Ohsaka, Yoshitaka Honda, Norio Yanagisawa | 1990-02-27 |
| 4845268 | Halogen-containing polyether | Yohnosuke Ohsaka, Shoji Takaki | 1989-07-04 |
| 4836944 | Halogen-containing polyether and its use | Sueyoshi Ishikawa, Katsuyoshi Kubo, Yoshitaka Honda, Yukio Ohmure, Norio Kataoka | 1989-06-06 |
| 4724092 | Fluorine-containing grease composition | Shoshin Fukui, Shuhei Shimasaki | 1988-02-09 |
| 4719052 | 2,2-difluoropropionic acid derivatives | Yohnosuke Ohsaka, Shoji Takaki, Yoshio Negishi, Satoru Kohno | 1988-01-12 |
| 4296265 | Process for preparing hexafluoropropene oligomers | Yohnosuke Ohsaka | 1981-10-20 |
| 4288376 | Process for preparing hexafluoropropene oxide | Yohnosuke Ohsaka | 1981-09-08 |
| 4284822 | Process for preparing hexafluoroacetone | Yohnosuke Ohsaka | 1981-08-18 |
| 4238416 | Method for isomerization of fluorinated epoxy compounds | Yohnosuke Ohsaka | 1980-12-09 |