Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11817309 | Method of producing heated ozone water, heated ozone water, and semiconductor wafer-cleaning liquid | Yasuyuki Shirai, Takeshi Sakai | 2023-11-14 |
| 11295947 | Method for producing ozone water | Yasuyuki Shirai, Takeshi Sakai | 2022-04-05 |
| 10865130 | Apparatus and method for producing alkaline water for cleaning electronic device | — | 2020-12-15 |
| 10654014 | Functional water producing apparatus and functional water producing method | David Hui Wang | 2020-05-19 |
| 10059911 | Washing hydrogen water producing method and producing apparatus | David Hui Wang | 2018-08-28 |
| 7491302 | Electrolytic gas generation method and electrolytic gas generation device | Isao Sawamoto, Takazou Hirose | 2009-02-17 |
| 5990060 | Cleaning liquid and cleaning method | Tadahiro Ohmi, Shunkichi Omae, Takahisa Nitta | 1999-11-23 |