Inventor
OISHI KONOSUKE
JP17 patents
⚠️ This page may combine multiple inventors who share the name “OISHI KONOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS5308977AMay 3, 1994
Plasma mass spectrometer
HITACHI LTD61 citations95
US5793039AAug 11, 1998
Mass spectrometer, skimmer cone assembly, skimmer cone and its manufacturing method
HITACHI LTD31 citations92
US5283624AFeb 1, 1994
Multi-element simultaneous analysis atomic absorption spectroscopy photometer and multi-element simultaneous analytic method
HITACHI LTD29 citations92
US5148021ASep 15, 1992
Mass spectrometer using plasma ion source
HITACHI LTD22 citations90
US4468121AAug 28, 1984
Spectrophotometric analyzer having dual monochromators
HITACHI LTD7 citations74
US5763877AJun 9, 1998
Analyzer using plasma and analysis method using plasma, interface used for the same and sample introducing component used for the same
HITACHI LTD7 citations73
US5616918AApr 1, 1997
Plasma ion mass spectrometer and plasma mass spectrometry using the same
HITACHI LTD14 citations73
US5108178AApr 28, 1992
Atomic absorption spectrophotometer and electromagnetic shut-off valve for use therein
HITACHI LTD6 citations73
US4948250AAug 14, 1990
Atomic absorption spectrophotometer
HITACHI LTD7 citations73
US4867562ASep 19, 1989
Atomic absorption spectrophotometer
HITACHI LTD10 citations73
US4645341AFeb 24, 1987
Double polarized light beam spectrophotometer of light source modulation type
HITACHI LTD7 citations73
US5104220AApr 14, 1992
Atomic absorption spectrophotometer and analyzing method
HITACHI LTD9 citations72
US4890919AJan 2, 1990
Atomic absorption spectrophotometer
HITACHI LTD4 citations62
US4840484AJun 20, 1989
Atomic absorption spectrophotometer with furnace at pressure equal or near light source pressure
HITACHI LTD6 citations62
US4100446AJul 11, 1978
Light source lamp with particular envelope structure to accommodate external magnets
HITACHI LTD6 citations62
US4198589AApr 15, 1980
Spectral source, particularly for atomic absorption spectrometry
HITACHI LTD1 citations48