Inventor · disambiguated record
Kaneo Yokoyama
Also filed as: YOKOYAMA KANEO
4 granted patents·55 citations·filing 1980–1996
76Inventor score
Files withSUMITOMO CHEMICAL CO4
Top patents by PatentIndex Score
4 records- 0184US4935500AMetallized formazan compounds having two fiber reactive groups linked by n-alkyl-containing groupSUMITOMO CHEMICAL CO·Filed 1983·Granted Jun 19, 1990·17 cites·8 claims
- 0275US4299771AProcess for producing anthraquinone compoundsSUMITOMO CHEMICAL CO·Filed 1980·Granted Nov 10, 1981·12 cites·15 claims
- 0358US5700296AAzo compound and a polarizing film containing the sameSUMITOMO CHEMICAL CO·Filed 1996·Granted Dec 23, 1997·23 cites·26 claims
- 0431US5659020ATetrakisazo compound and a polarizing film containing the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Aug 19, 1997·3 cites·15 claims
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