Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670094 | Method of and apparatus for producing ozonized water | Kenichi Sasaki, Takayuki Saito, Mitsuru Imai | 1997-09-23 |
| 5671023 | Gamma correction circuit | Kazuhiko Nishiwaki | 1997-09-23 |