Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246290 | Membrane filtration device and method for cleaning membrane filtration device | Shintaro Nishimoto, Keishi Watanabe, Fang Zhao, Akira Matsunaga | 2025-03-11 |
| 11986773 | Membrane defect inspection method and membrane defect inspection device | Keishi Watanabe, Shintaro Nishimoto, Fang Zhao, Akira Matsunaga | 2024-05-21 |
| 11890581 | Membrane defect inspection method and membrane defect inspection device | Keishi Watanabe, Shintaro Nishimoto, Fang Zhao, Akira Matsunaga | 2024-02-06 |
| 10343936 | Membrane casing and membrane component | Keishi Watanabe, Shintaro Nishimoto | 2019-07-09 |
| D764019 | Filter | Keishi Watanabe, Shintaro Nishimoto | 2016-08-16 |
| D652480 | Membrane module for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Yoshio Asakura +2 more | 2012-01-17 |
| D652481 | Water collecting case for membrane module | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Yoshio Asakura +2 more | 2012-01-17 |
| D652103 | Membrane cassette for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Yoshio Asakura +2 more | 2012-01-10 |