YT

Yasuaki Takada

HI Hitachi: 65 patents #133 of 28,497Top 1%
HH Hitachi High-Technologies: 6 patents #533 of 1,917Top 30%
NO Nof: 1 patents #246 of 561Top 45%
Overall (All Time): #29,373 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
6252225 Mass spectrometry of solution and apparatus therefor Minoru Sakairi, Atsumu Hirabayashi, Takayuki Nabeshima, Hideaki Koizumi 2001-06-26
6194716 Method for mass calibration Takayuki Nabeshima, Minoru Sakairi, Yuichiro Hashimoto 2001-02-27
6188065 Mass spectrometer Minoru Sakairi, Atsumu Hirabayashi, Hideaki Koizumi 2001-02-13
6180941 Mass spectrometer Minoru Sakairi, Takayuki Nabeshima, Yukiko Hirabayashi, Hideaki Koizumi 2001-01-30
6157030 Ion trap mass spectrometer Minoru Sakairi, Tadao Mimura, Toshihiro Ishizuka, Masaru Tomioka, Takayuki Nabeshima 2000-12-05
6147347 Ion source and mass spectrometer instrument using the same Atsumu Hirabayashi, Minoru Sakairi, Hideaki Koizumi, Kaoru Umemura 2000-11-14
6121608 Mass spectrometry of solution and apparatus Minoru Sakairi, Atsumu Hirabayashi, Takayuki Nabeshima, Hideaki Koizumi 2000-09-19
6114693 Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution Atsumu Hirabayashi, Yukiko Hirabayashi, Minoru Sakairi, Takayuki Nabeshima, Hideaki Koizumi 2000-09-05
6075243 Mass spectrometer Takayuki Nabeshima, Minoru Sakairi, Yukiko Hirabayashi, Hideaki Koizumi 2000-06-13
6060706 Analytical apparatus using ion trap mass spectrometer Takayuki Nabeshima, Minoru Sakairi 2000-05-09
6011260 Mass spectrometer Minoru Sakairi, Takayuki Nabeshima, Yukiko Hirabayashi, Hideaki Koizumi 2000-01-04
6005245 Method and apparatus for ionizing a sample under atmospheric pressure and selectively introducing ions into a mass analysis region Minoru Sakairi, Tadao Mimura, Takayuki Nabeshima, Hideaki Koizumi 1999-12-21
5986259 Mass spectrometer Yukiko Hirabayashi, Takayuki Nabeshima, Minoru Sakairi, Hideaki Koizumi 1999-11-16
5969351 Mass spectrometer Takayuki Nabeshima, Minoru Sakairi, Yukiko Hirabayashi, Hideaki Koizumi 1999-10-19
5898175 Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution Atsumu Hirabayashi, Yukiko Hirabayashi, Minoru Sakairi, Takayuki Nabeshima, Hideaki Koizumi 1999-04-27
5877495 Mass spectrometer Minoru Sakairi, Atsumu Hirabayashi, Hideaki Koizumi 1999-03-02
5825027 Mass spectrometer Minoru Sakairi, Takayuki Nabeshima, Yukiko Hirabayashi, Hideaki Koizumi 1998-10-20
5663560 Method and apparatus for mass analysis of solution sample Minoru Sakairi, Tadao Mimura, Takayuki Nabeshima, Hideaki Koizumi 1997-09-02
5633496 Mass spectrometry apparatus Minoru Sakairi, Tadao Mimura, Yoichi Ose, Atsumu Hirabayashi 1997-05-27
5481107 Mass spectrometer Minoru Sakairi, Atsumu Hirabayashi, Youichi Ose 1996-01-02