Issued Patents All Time
Showing 1–13 of 13 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 |
| 9897341 | Heat pump water heating system | Kazutaka Suzuki, Hirokazu Minamisako, Shigeru IIJIMA | 2018-02-20 |
| 9845961 | Humidifier and method of hydrophilization processing for humidifying material | Tadashi Saito, Seiji Noda, Kazuhiro Miya, Takafumi Nakai | 2017-12-19 |
| 9677992 | Corrosion protection performance degradation detection sensor, hot-water supply heating system, and facility apparatus | Hironori Kuriki, Hideyuki Morimura, Kazuhiro Miya | 2017-06-13 |
| 9021993 | Water heater and flow rate control method | Kazuhiro Miya, Toshiyuki Kamiya, Tadashi Saito | 2015-05-05 |
| 8840785 | Scale deposition device and water heater | Seiji Noda, Toshiyuki Kamiya, Tadashi Saito, Isamu Hirashiki | 2014-09-23 |
| 7070747 | Process of eluting and recovering phosphorus from sludge | Nozomu Yasunaga, Junji Hirotsuji | 2006-07-04 |
| 7063794 | Water treatment apparatus | Miki Kamimura, Satoshi Ueyama, Junji Hirotsuji | 2006-06-20 |
| 6884355 | Process for treating organic wastewater and apparatus for treating the organic wastewater | Toshiyuki Kamiya, Junji Hirotsuji, Nozomu Yasunaga, Naoki Nakatsugawa | 2005-04-26 |
| 6303034 | Waste water ozonization process and apparatus | Toshiyuki Kamiya, Junji Hirotsuji, Satoru Shiono | 2001-10-16 |
| 6214240 | Method for ozone treatment using a mixture of ozone and hydrogen peroxide | Nozomu Yasunaga, Junji Hirotsuji, Yoshitaka Kawaai, Shigeki Nakayama | 2001-04-10 |