| 7161141 |
Ion trap/time-of-flight mass spectrometer and method of measuring ion accurate mass |
Yoshiaki Kato, Toyoharu Okumoto |
2007-01-09 |
| 6977373 |
Ion trap mass analyzing apparatus |
Kiyomi Yoshinari, Yoshiaki Kato, Masaru Tomioka |
2005-12-20 |
| 6759652 |
Ion trap mass analyzing apparatus |
Kiyomi Yoshinari, Yoshiaki Kato, Masaru Tomioka |
2004-07-06 |
| 6683303 |
Ion trap mass spectrometer and spectrometry |
Kiyomi Yoshinari, Yoshiaki Kato, Shinji Nagai |
2004-01-27 |
| 6339218 |
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatography—mass spectrometry, and liquid chromatograph mass spectrometer |
Yoshiaki Kato |
2002-01-15 |
| 6236042 |
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatography-mass spectrometry, and liquid chromatograph-mass spectrometer |
Yoshiaki Kato |
2001-05-22 |
| 6157030 |
Ion trap mass spectrometer |
Minoru Sakairi, Toshihiro Ishizuka, Masaru Tomioka, Yasuaki Takada, Takayuki Nabeshima |
2000-12-05 |
| 6005245 |
Method and apparatus for ionizing a sample under atmospheric pressure and selectively introducing ions into a mass analysis region |
Minoru Sakairi, Yasuaki Takada, Takayuki Nabeshima, Hideaki Koizumi |
1999-12-21 |
| 5986260 |
Mass analyzer |
Mitsuru Oonuma, Seiji Kamimura |
1999-11-16 |
| 5859432 |
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer liquid, chromatography--mass spectrometry, and liquid chromatograph--mass spectrometer |
Yoshiaki Kato |
1999-01-12 |
| 5789746 |
Liquid chromatograph mass spectrometry and liquid chromatograph mass spectrometer |
Yoshiaki Kato |
1998-08-04 |
| 5789747 |
Three dimensional quadrupole mass spectrometry and mass spectrometer |
Yoshiaki Kato |
1998-08-04 |
| 5668370 |
Automatic ionization mass spectrometer with a plurality of atmospheric ionization sources |
Masayoshi Yano, Yoshiaki Kato |
1997-09-16 |
| 5663560 |
Method and apparatus for mass analysis of solution sample |
Minoru Sakairi, Yasuaki Takada, Takayuki Nabeshima, Hideaki Koizumi |
1997-09-02 |
| 5633496 |
Mass spectrometry apparatus |
Minoru Sakairi, Yoichi Ose, Atsumu Hirabayashi, Yasuaki Takada |
1997-05-27 |
| 5612534 |
Atmospheric pressure ionization mass spectrometer |
Masayoshi Yano |
1997-03-18 |
| 5581081 |
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatograph-mass spectrometry, and liquid chromatograph mass spectrometer |
Yoshiaki Kato |
1996-12-03 |
| 5567938 |
Mass spectrometer |
Yoshiaki Kato, Kazumi Matsumura |
1996-10-22 |
| 5532483 |
Mass spectrometer and ion source |
Yoichi Ose, Kiyomi Yoshinari, Masayoshi Yano |
1996-07-02 |
| 5422482 |
Mass spectrometric apparatus |
Fumihiko Nakajima |
1995-06-06 |
| D347396 |
Mass spectrometer combined with liquid chromatograph |
Mitsuru Ohnuma, Tomoyuki Miyata, Kazunori Hashimoto, Yoshiaki Kato |
1994-05-31 |
| 5298744 |
Mass spectrometer |
Yoshiaki Kato, Kazumi Matsumura |
1994-03-29 |
| 5240616 |
Liquid chromatograph-direct coupled mass spectrometer |
Yoshiaki Kato |
1993-08-31 |
| 5051583 |
Atmospheric pressure ionization type mass spectrometer |
Fumihiko Nakajima |
1991-09-24 |
| 4996424 |
Atmospheric pressure ionization mass spectrometer |
Yoshiaki Kato |
1991-02-26 |