Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10308525 | Suspended-matter removing method utilizing biofilm and suspended-matter removing apparatus utilizing biofilm | Masayuki Tabata, Katsunori Matsui, Hideo Suzuki, Gaku Kondo, Shigeru Yoshioka +1 more | 2019-06-04 |
| 10259731 | Sludge treatment system and sludge treatment method | Tokiko Yamauchi, Makoto Takata, Hiroshi Kuroki, Nozomu Yasunaga | 2019-04-16 |
| 10197293 | Scale trapping unit and water heater | Aya KAWASHIMA, Seiji Noda, Shigeru IIJIMA, Kazuhiro Miya, Kazutaka Suzuki +1 more | 2019-02-05 |