Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11452971 | Method for operating membrane separation device with halt process | Kimihiro Ishikawa | 2022-09-27 |
| 11413583 | Filtering membrane cleaning method | Yuki Kawashima, Yuji Otsuka, Yukako MORITA, Ken TANAKA | 2022-08-16 |
| 10549957 | Method for operating lifting set including lifting apparatus and water device | Tadao Shinkai | 2020-02-04 |
| 10328394 | Membrane cartridge and membrane-cartridge production method | Kimihiro Ishikawa, Motofumi Tajima, Makoto Takahashi, Kenichi Ohnishi | 2019-06-25 |
| 10106440 | Membrane separation device | Hidetoshi Masutani | 2018-10-23 |
| 10071924 | Diffusion pipe and method for cleaning diffusion pipe | Kazuo Nanri | 2018-09-11 |
| 10040701 | Membrane separation device | Hidetoshi Masutani | 2018-08-07 |
| 9873089 | Method for lifting membrane separation apparatus | Tadao Shinkai | 2018-01-23 |
| 8764982 | Membrane separation device | Tomokazu Kitano, Hidetoshi Masutani | 2014-07-01 |
| 8741141 | Membrane separator and membrane cassette | Hidetoshi Masutani, Tomokazu Kitano | 2014-06-03 |
| 8728314 | Membrane module and membrane cassette | Hidetoshi Masutani, Tomokazu Kitano | 2014-05-20 |
| 8616534 | Diffuser tube | Youichirou Hirose | 2013-12-31 |
| 8366929 | Spacing member, membrane element, and submerged membrane separation device | Hidetoshi Masutani, Tadao Shinkai, Yoshio Asakura | 2013-02-05 |
| D652480 | Membrane module for membrane separation | Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-17 |
| D652481 | Water collecting case for membrane module | Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-17 |
| D652103 | Membrane cassette for membrane separation | Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-10 |
| 6843470 | Air diffuser and flushing method thereof | Tatsuya Uejima, Masaaki Nagano, Kiyoshi Izumi | 2005-01-18 |
| 6843908 | Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same | Tatsuya Uejima, Masaaki Nagano, Kiyoshi Izumi, Yutaka Yamada, Taichi Uesaka | 2005-01-18 |
| 6287467 | Submerged membrane cartridge | Masaaki Nagano, Yutaka Yamada, Kiyoshi Izumi, Tatsuya Uejima | 2001-09-11 |