Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11452971 | Method for operating membrane separation device with halt process | Yasunobu Okajima | 2022-09-27 |
| D928279 | Membrane cartridge for submerged membrane separation | Makoto Takahashi, Kenichi Tagawa | 2021-08-17 |
| 10335744 | Method of producing flat sheet membrane element and flat sheet membrane element | Yasuyuki Okada | 2019-07-02 |
| 10328394 | Membrane cartridge and membrane-cartridge production method | Motofumi Tajima, Makoto Takahashi, Kenichi Ohnishi, Yasunobu Okajima | 2019-06-25 |
| 9878290 | Submerged membrane separator and membrane cartridge | Yoshio Matsuzaki, Tatsuya Uejima, Tomohiko Sasaki | 2018-01-30 |
| 8821726 | Submerged membrane separator | Yoshio Matsuzaki, Tatsuya Uejima, Tomohiko Sasaki | 2014-09-02 |
| 8647507 | Membrane cartridge | Tatsuya Uejima, Yoshio Matsuzaki, Tomohiko Sasaki | 2014-02-11 |
| 8377303 | Membrane cartridge | Kazuhiro Yamazaki, Tomohiko Sasaki, Yoshio Matsuzaki | 2013-02-19 |
| D674037 | Membrane cartridge for submerged membrane separation | Kazuhiro Yamazaki, Tomohiko Sasaki, Yoshio Matsuzaki | 2013-01-08 |
| 6074141 | Scroll compressor having grooves for seal members | Takashi Miyakawa, Yasushi Watanabe, Tetsuhiko Fukanuma, Shinya Yamamoto | 2000-06-13 |
| 5584677 | Scroll compressor having a bevelled facing section | Takashi Miyakawa, Tetsuhiko Fukanuma, Tetsuo Yoshida | 1996-12-17 |
| 5580228 | Scroll compressor having grooves for seal members | Takashi Miyakawa, Yasushi Watanabe, Tetsuhiko Fukanuma, Shinya Yamamoto | 1996-12-03 |