Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609564 | Reductive heat exchange water and heat exchange system using such water | Takashi Imaoka, Hiroshi Morita, Tadahiro Ohmi, Masaki Hirayama | 2003-08-26 |
| 6350376 | Reductive heat exchange water and heat exchange system using such water | Takashi Imaoka, Hiroshi Morita, Tadahiro Ohmi, Masaki Hirayama | 2002-02-26 |
| 5439596 | Method of producing pure water, system therefor and cleaning method therefor | Tadahiro Ohmi | 1995-08-08 |