Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186170 | Ozone-water feeding facility | Akihisa Koganezawa | 2001-02-13 |
| 6156166 | Electrolysis cell for generation of gas | Akihisa Koganezawa | 2000-12-05 |
| 6135146 | Automatic faucet device for cleaning human body with ozone-water | Akihisa Koganezawa | 2000-10-24 |
| 5997702 | Ozone generating system | Akihisa Koganezawa | 1999-12-07 |
| 5951921 | Apparatus for producing ozone water | Akihisa Koganezawa | 1999-09-14 |
| 5914089 | Method of sterilization and disinfection by ozone | Atsushi Murakami, Akiyoshi Okamoto | 1999-06-22 |