Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043394 | Method and device for measuring fine particles in ultrapure water | Yasuo Kousaka, Mutsuko Endou, Seiichi Inagaki, Takazou Hirose | 2006-05-09 |
| 5554295 | Method for producing pure water | Cozy Ban, Takaaki Fukumoto, Toshiki Manabe, Hiroshi Yanome, Kazuhiko Kawada | 1996-09-10 |
| 5470461 | Apparatus for producing pure water | Cozy Ban, Takaaki Fukumoto, Toshiki Manabe, Hiroshi Yanome, Kazuhiko Kawada | 1995-11-28 |
| 5380471 | Aeration apparatus for producing ultrapure water | Cozy Ban, Takaaki Fukumoto, Toshiki Manabe, Hiroshi Yanome | 1995-01-10 |
| 5344615 | Wet-process apparatus | Cozy Ban, Takaaki Fukumoto | 1994-09-06 |
| 5259972 | Apparatus and method for purifying water | Hitoshi Miyamaru, Takaaki Fukumoto | 1993-11-09 |
| 5186907 | Apparatus for treating organic waste gas | Masaharu Hama, Takaaki Fukumoto, Miki Tsukaguchi | 1993-02-16 |
| 4941489 | Carrier cleaning and drying apparatus | Yasuo Kamimura, Toshiaki Ohmori, Takaaki Fukumoto, Masaharu Hama | 1990-07-17 |
| 4893320 | Apparatus for counting particles attached to surfaces of a solid | Masaharu Hama, Nobuyoshi Hattori, Takaaki Fukumoto | 1990-01-09 |
| 4569224 | Device for measuring the absolute value of the density of salts in atmosphere | Takaaki Fukumoto, Yasukazu Mukogawa, Masaharu Hama | 1986-02-11 |