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 1–25 of 40 patents

Patent #TitleCo-InventorsDate
11862451 Orthogonal acceleration time-of-flight mass spectrometer Takuya Suzumura, Tomoya Kudo 2024-01-02
11309173 Liquid sample introduction method and liquid sample introduction device Shingo FUJIOKA, Kazuma MAEDA 2022-04-19
11239069 Mass spectrometer Kazuma MAEDA 2022-02-01
11152202 Time-of-flight mass spectrometer Tomoya Kudo 2021-10-19
11152201 Time-of-flight mass spectrometer Tomoyuki OSHIRO, Yuta MIYAZAKI, Hiroaki Kozawa 2021-10-19
11081333 Power connector for mass spectrometer Tomoya Kudo 2021-08-03
10923339 Orthogonal acceleration time-of-flight mass spectrometry Osamu Furuhashi, Tomoyuki OSHIRO 2021-02-16
10705048 Mass spectrometer 2020-07-07
10699892 Time-of-flight mass spectrometer 2020-06-30
10573504 Orthogonal acceleration time-of-flight mass spectrometry Osamu Furuhashi, Tomoyuki OSHIRO 2020-02-25
10529548 Liquid sample introduction system for ion source Yusuke Sakagoshi 2020-01-07
10229823 Mass spectrometer Masaru Nishiguchi 2019-03-12
10020181 Time-of-flight mass spectrometer 2018-07-10
9865444 Time-of-flight mass spectrometer 2018-01-09
9691598 Ionizer and mass spectrometer including first section for ionizing sample under atmospheric pressure while vaporizing or desorbing the sample component and second section for generating corona discharge Kanako Sekimoto, Mitsuo Takayama 2017-06-27
9589781 Ion guide and mass spectrometer 2017-03-07
9373490 Time-of-flight mass spectrometer Masaru Nishiguchi 2016-06-21
9324551 Mass spectrometer and method of driving ion guide Junichi Taniguchi, Hiroto Itoi 2016-04-26
9230788 Mass spectrograph apparatus and method of driving ion guide Hiroto Itoi 2016-01-05
9040902 Atmospheric pressure ionization mass spectrometer Manabu Ueda 2015-05-26
8866074 Tandem mass spectrometer and mass spectrometric method 2014-10-21
8866077 Mass spectrometer Manabu Ueda 2014-10-21
8822915 Atmospheric pressure ionization mass spectrometer Kazuo Mukaibatake 2014-09-02
8748811 MS/MS mass spectrometer 2014-06-10
8698074 MS/MS mass spectrometer Hiroto Itoi 2014-04-15