Inventor · disambiguated record
Yasumasa Sawachika
Also filed as: SAWACHIKA YASUMASA
3 granted patents·28 citations·filing 1976–1990
66Inventor score
Technology areasC08G
Top patents by PatentIndex Score
3 records- 0170US5128381APolyurethane foam for cushioning materialsACHILLES CORP·Filed 1990·Granted Jul 7, 1992·23 cites·20 claims
- 0234US4071484AProcess for preparing flexible flame retarding polyurethane foamsKOHKOKU CHEMICAL IND CO·Filed 1976·Granted Jan 31, 1978·3 cites·7 claims
- 0327US4075137AProcess for preparing flame retarding polyurethane foamsKOHKOKU CHEMICAL IND CO·Filed 1976·Granted Feb 21, 1978·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →