Inventor · disambiguated record
Keiji Ashida
Also filed as: ASHIDA KEIJI
2 granted patents·96 citations·filing 1988–1992
65Inventor score
Files withSUMITOMO CHEMICAL CO2
Top patents by PatentIndex Score
2 records- 0185US4906094AFine particle measuring method and system and a flow cell for use in the systemSUMITOMO CHEMICAL CO·Filed 1988·Granted Mar 6, 1990·89 cites·94 claims
- 0231US5334850AMethod and device for optically detecting an interface between two fluids and method of setting the parameters for such detectionSUMITOMO CHEMICAL CO·Filed 1992·Granted Aug 2, 1994·7 cites·50 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →