Inventor · disambiguated record
Naobumi Oi
Also filed as: OI NAOBUMI
6 granted patents·144 citations·filing 1977–1988
84Inventor score
Files withSUMITOMO CHEMICAL CO6
Top patents by PatentIndex Score
6 records- 0184US4332591AAnalytical method and apparatus for the determination of total nitrogen contents in aqueous systemsSUMITOMO CHEMICAL CO·Filed 1978·Granted Jun 1, 1982·46 cites·4 claims
- 0283US4512898APacking materials for chromatographic use and a method for analysis of an enantiomer mixture using the sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Apr 23, 1985·46 cites·12 claims
- 0380US4604207APacking materials for chromatographic use and a method for analysis of an enantiomer mixture using the sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Aug 5, 1986·38 cites·10 claims
- 0447US4963254APacking material for chromatographic useSUMITOMO CHEMICAL CO·Filed 1988·Granted Oct 16, 1990·11 cites·1 claims
- 0543US4104040AUse of s-triazine derivatives in a gas chromatographic methodSUMITOMO CHEMICAL CO·Filed 1977·Granted Aug 1, 1978·2 cites·11 claims
- 0631US4140496AS-Triazine derivativesSUMITOMO CHEMICAL CO·Filed 1977·Granted Feb 20, 1979·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →