Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10549957 | Method for operating lifting set including lifting apparatus and water device | Yasunobu Okajima | 2020-02-04 |
| 9873089 | Method for lifting membrane separation apparatus | Yasunobu Okajima | 2018-01-23 |
| 8366929 | Spacing member, membrane element, and submerged membrane separation device | Hidetoshi Masutani, Yasunobu Okajima, Yoshio Asakura | 2013-02-05 |
| D652480 | Membrane module for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-17 |
| D652481 | Water collecting case for membrane module | Yasunobu Okajima, Tomokazu Kitano, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-17 |
| D652103 | Membrane cassette for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Hidetoshi Masutani, Tetsuya Uenaka, Yoshio Asakura +2 more | 2012-01-10 |