Granted Patent
Utility
US 6,759,652 · App. 10/252,699
Ion trap mass analyzing apparatus
Inventors:
Kiyomi Yoshinari, Yoshiaki Kato, Tadao Mimura, Masaru Tomioka
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Sep 24, 2002
Inventors
Kiyomi Yoshinari
Yoshiaki Kato
Tadao Mimura
Masaru Tomioka
Assignee (at issue)
Hitachi High-Technologies Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.