Inventor · disambiguated record
Yoshinao Doi
Also filed as: DOI YOSHINAO
7 granted patents·383 citations·filing 1978–1990
89Inventor score
Files withASAHI CHEMICAL IND7
Top patents by PatentIndex Score
7 records- 0194US4335193AMicroporous film, particularly battery separator, and method of makingASAHI CHEMICAL IND·Filed 1979·Granted Jun 15, 1982·86 cites·29 claims
- 0289US4190707AAlkaline battery separatorASAHI CHEMICAL IND·Filed 1978·Granted Feb 26, 1980·46 cites·36 claims
- 0388US5022990APolyvinylidene fluoride porous membrane and a method for producing the sameASAHI CHEMICAL IND·Filed 1990·Granted Jun 11, 1991·93 cites·12 claims
- 0486US4229297AMethod of separating oil from oil-containing liquidASAHI CHEMICAL IND·Filed 1979·Granted Oct 21, 1980·45 cites·10 claims
- 0582US4409339AHydrophilic sulfonated polyolefin porous membrane and process for preparing the sameASAHI CHEMICAL IND·Filed 1980·Granted Oct 11, 1983·43 cites·4 claims
- 0678US4210709AMicroporous film battery separatorASAHI CHEMICAL IND·Filed 1978·Granted Jul 1, 1980·36 cites·48 claims
- 0777US4331622AMethod for manufacturing a microporous film having low electrical resistance and high durabilityASAHI CHEMICAL IND·Filed 1980·Granted May 25, 1982·34 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →