Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718734 | Method for determining antirust effect of treated water | Mitsuo Ishikawa, Kunio Nemoto, Nobuyuki Kamiya | 2020-07-21 |
| 10175189 | Determination device for determining an improvement in water quality | Mitsuo Ishikawa, Nobuyuki Kamiya | 2019-01-08 |