Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282967 | Method for feeding germ-free pure water | Mitsuo Miyamoto, Yoshiharu Ohta, Koichi Sawada | 1994-02-01 |
| 5147605 | Method for the sterilization of ultrapure water line | Mitsuo Miyamoto, Yoshiharu Ohta, Koichi Sawada | 1992-09-15 |
| 5112437 | Oxide film removing apparatus and removing method thereof using azeotropic vapor mixture | Nobuatsu Watanabe, Yong-Bo Chong, Tomoyoshi Okada, Akira Izumi, Keiji Toei | 1992-05-12 |