Inventor · disambiguated record
Sumio Shimada
Also filed as: SHIMADA SUMIO
3 granted patents·151 citations·filing 1974–1982
76Inventor score
Top patents by PatentIndex Score
3 records- 0193US4379859APre-foamed particles of polypropylene resin and process for production thereofJAPAN STYRENE PAPER CORP·Filed 1981·Granted Apr 12, 1983·95 cites·9 claims
- 0281US4436840AProcess for producing pre-foamed particles of polyolefin resinJAPAN STYRENE PAPER CORP·Filed 1982·Granted Mar 13, 1984·33 cites·2 claims
- 0368US3933697AMethod for preparing a polyurethane foam comprising quaternary ammonium salt as antistatic agentTOYO RUBBER CHEMICAL IND CO·Filed 1974·Granted Jan 20, 1976·23 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →