| 7686590 |
Vacuum control system |
Yoshio Ishii, Koji Tanemura, Toshihiko Matsumoto |
2010-03-30 |
| 6955758 |
Ozone treating apparatus |
Kazutoshi Yamazaki, Kazuyasu Kawashima, Akira Sato, Akihiko Nagai |
2005-10-18 |
| 5285595 |
Hydroponic growing system |
— |
1994-02-15 |
| 4729773 |
Unit for degassing liquids |
Kazuyasu Kawashima |
1988-03-08 |
| 4680552 |
Apparatus for measuring impurities in super-pure water without exposure to surrounding atmosphere |
Kazuo Hiraizumi, Kazuyasu Kawashima, Shinya Okuyama, Masashi Kobayashi, Minoru Tanaka +5 more |
1987-07-14 |
| 4652364 |
Apparatus for adjusting the concentration of a solution |
Kazuo Hiraizumi, Masashi Kobayashi, Kazuyasu Kawashima |
1987-03-24 |
| 4651087 |
Apparatus for measuring impurities in ultrapure water |
Kazuyasu Kawashima, Yoshihiro Sato |
1987-03-17 |
| 4629561 |
Liquid chromatograph with flow controller |
Kazuo Hiraizumi, Akio Kaneko, Akihiko Nagai |
1986-12-16 |
| 4469495 |
Method and device for degassifying liquid |
Kazuo Hiraizumi, Kazuyasu Kawashima |
1984-09-04 |