Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566177 | Dry etching agent, dry etching method and method for producing semiconductor device | Hiroyuki Oomori, Akifumi Yao | 2023-01-31 |
| 10793540 | Method for producing fluorine-containing cyclopropane carboxylic acid compound | Takako Yamazaki, Shoko ISHII, Shunsuke MIMURA, Masanori Fushimi, Ryuichi OKAMOTO +2 more | 2020-10-06 |
| 10450291 | Method for producing fluorine-containing cyclopropane carboxylic acid compound | Takako Yamazaki, Shoko ISHII, Shunsuke MIMURA, Masanori Fushimi, Ryuichi OKAMOTO +2 more | 2019-10-22 |
| 9073828 | Preparation method for perfluoroalkane sulfinate | Tsutomu Nanmyo, Yoichi Takenaka | 2015-07-07 |
| 8987507 | Fluoroalkanesulfonic acid production method | Tatsuya Irie, Kenji Isoyama, Tatsuo Miyazaki, Tsutomu Nanmyo | 2015-03-24 |