Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8525418 | Electrostatic chuck | Ryosuke Kameyama | 2013-09-03 |
| 6258260 | Ozonizer having transparent cover and water purifier | Sachio Wakita | 2001-07-10 |
| 6039816 | Ozonizer, water purifier and method of cleaning an ozonizer | Sachio Wakita | 2000-03-21 |
| 4672503 | Electric field forming apparatus | Senichi Masuda, Isamu Fukuura, Hisaharu Shiromizu | 1987-06-09 |