Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287200 | Method for treating ballast water and device for treating ballast water used therefor | Hiroshi Yamamoto, Takashi Sakakibara, Kazumi Osamura, Hideki Nagaoka, Takuya Kotanagi +1 more | 2019-05-14 |
| 10118840 | Centrifugal solid-liquid separation device and water treatment device using same | Hiroshi Yamamoto, Masafumi Sasai, Takuya Kotanagi, Hirohumi Minami, Hideki Nagaoka +2 more | 2018-11-06 |
| 10035717 | Device for killing microorganisms within ballast water | Hiroshi Yamamoto, Masafumi Sasai, Takuya Kotanagi, Hirohumi Minami, Hideki Nagaoka +2 more | 2018-07-31 |
| 9522829 | Liquid treatment method and liquid treatment device used therein | Hiroshi Yamamoto, Hideki Nagaoka, Hidenori Funakoshi, Takuya Kotanagi, Takashi Sakakibara | 2016-12-20 |