Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554295 | Method for producing pure water | Cozy Ban, Motonori Yanagi, Takaaki Fukumoto, Toshiki Manabe, Kazuhiko Kawada | 1996-09-10 |
| 5470461 | Apparatus for producing pure water | Cozy Ban, Motonori Yanagi, Takaaki Fukumoto, Toshiki Manabe, Kazuhiko Kawada | 1995-11-28 |
| 5380471 | Aeration apparatus for producing ultrapure water | Cozy Ban, Motonori Yanagi, Takaaki Fukumoto, Toshiki Manabe | 1995-01-10 |
| 4455306 | Method for concentrating .beta.-lactam antibiotic solution | Kiyoshi Nara, Kazuyoshi Katamoto, Sadao Ohkido, Isao Yamamoto | 1984-06-19 |