Inventor · disambiguated record
Hitoshi Sawabu
Also filed as: SAWABU HITOSHI
2 granted patents·49 citations·filing 1973–1975
64Inventor score
Technology areasB01D
Files withASAHI CHEMICAL IND2
Top patents by PatentIndex Score
2 records- 0176US4181694AMethod for producing hollow fibers of acrylonitrile polymers for ultrafilterASAHI CHEMICAL IND·Filed 1975·Granted Jan 1, 1980·34 cites·2 claims
- 0250US3933653AMembranes of acrylonitrile polymers for ultrafilter and method for producing the sameASAHI CHEMICAL IND·Filed 1973·Granted Jan 20, 1976·15 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →