Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976376 | Sewage treatment process | Masato Kaneko, Naohiko Ukawa, Susumu Okino, Masao Hino, Takashi Haruki +3 more | 1999-11-02 |
| 5756052 | Flue gas treatment system | Hiroshi Suzumura, Naohiko Ukawa, Masao Hino, Koosoo Tao, Nobuo Kojima +2 more | 1998-05-26 |