Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046910 | Cleaning solution composition | Areji Takanaka, Takuo Ohwada | 2021-06-29 |
| 9334470 | Cleaning liquid composition for electronic device | Kikue Morita, Chiyoko Horike, Takuo Ohwada | 2016-05-10 |