Inventor · disambiguated record
Masami Ayano
Also filed as: AYANO MASAMI · KATO MICHIO
3 granted patents·78 citations·filing 1973–1981
74Inventor score
Files withSUMITOMO CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0190US4199410APurification of crude acrylic acidSUMITOMO CHEMICAL CO·Filed 1978·Granted Apr 22, 1980·35 cites·9 claims
- 0288US4618709AWaste water treatment in the production of methacrylic acidSUMITOMO CHEMICAL CO·Filed 1981·Granted Oct 21, 1986·34 cites·9 claims
- 0340US3968153AExtraction of acrylic acid and/or methacrylic acid with a solvent mixture of methylethylketone and xylene or ethylbenzeneSUMITOMO CHEMICAL CO·Filed 1973·Granted Jul 6, 1976·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →