DO

Daisuke Okumura

SH Shimadzu: 39 patents #3 of 2,007Top 1%
OU Osaka University: 2 patents #362 of 1,984Top 20%
SK Showa Shell Sekiyu K.K.: 1 patents #27 of 82Top 35%
Overall (All Time): #78,512 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8698072 Triple quadrupole mass spectrometer Hiroshi Sugawara 2014-04-15
8637810 Atmospheric pressure ionization mass spectrometer Kazuo Mukaibatake 2014-01-28
8563920 Mass spectrometer Hiroto Itoi 2013-10-22
8384028 MS/MS mass spectrometer Shinjiro Fujita, Hiroto Itoi 2013-02-26
8269166 MS/MS mass spectrometer 2012-09-18
8242437 MS/MS mass spectrometer Hiroto Itoi 2012-08-14
8207491 Mass spectrometer Hiroto Itoi 2012-06-26
8207495 Quadrupole mass spectrometer Kazuo Mukaibatake 2012-06-26
8148675 Collision cell for an MS/MS mass spectrometer Hiroto Itoi, Kazuo Mukaibatake 2012-04-03
8134123 Mass spectrometer Masaru Nishiguchi, Yoshihiro Ueno, Hiroto Itoi 2012-03-13
7985951 Mass spectrometer Hiroto Itoi 2011-07-26
7227131 Time of flight mass spectrometer Shinichi Yamaguchi, Morio Ishihara, Michisato Toyoda 2007-06-05
7211792 Mass spectrometer Shinichi Yamaguchi, Morio Ishihara, Michisato Toyoda 2007-05-01
7148473 Time of flight mass spectrometer Shinichi Yamaguchi, Morio Ishihara, Michisato Toyoda 2006-12-12
6040521 N-type window layer for a thin film solar cell and method of making Katsumi Kushiya, Ichiro Sugiyama 2000-03-21