Inventor
NISHITARUMIZU TSUYOSHI
JP5 patents
Patents
5 patentsUS5308977AMay 3, 1994
Plasma mass spectrometer
HITACHI LTD61 citations95
US4913624AApr 3, 1990
Low pulsation displacement pump
HITACHI LTD86 citations94
US4810168AMar 7, 1989
Low pulsation pump device
HITACHI LTD80 citations94
US5164592ANov 17, 1992
Method and apparatus for mass spectrometric analysis
HITACHI LTD15 citations72
US5122752AJun 16, 1992
Method of and apparatus for analyzing granular materials
HITACHI LTD7 citations72