Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609564 | Reductive heat exchange water and heat exchange system using such water | Hiroshi Morita, Isamu Sugiyama, Tadahiro Ohmi, Masaki Hirayama | 2003-08-26 |
| 6509305 | Method for preparing cleaning solution | Kenichi Mitsumori, Eui Yeol Oh, Yasuhiko Kasama, Tadahiro Ohmi | 2003-01-21 |