Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494223 | Wet cleaning apparatus utilizing ultra-pure water rinse liquid with hydrogen gas | Tadahiro Ohmi, Toshihiro II, Masatoshi Hashino, Noboru Kubota | 2002-12-17 |
| 6348157 | Cleaning method | Tadahiro Ohmi, Takahisa Nitta, Mitsunori Nakamori, Toshihiro II | 2002-02-19 |
| 5554295 | Method for producing pure water | Cozy Ban, Motonori Yanagi, Takaaki Fukumoto, Toshiki Manabe, Hiroshi Yanome | 1996-09-10 |
| 5470461 | Apparatus for producing pure water | Cozy Ban, Motonori Yanagi, Takaaki Fukumoto, Toshiki Manabe, Hiroshi Yanome | 1995-11-28 |