Inventor · disambiguated record
Hiroharu Sasayama
Also filed as: SASAYAMA HIROHARU
4 granted patents·127 citations·filing 1977–1986
80Inventor score
Files withKASEI CO C I4
Top patents by PatentIndex Score
4 records- 0189US4740404AWaterstopKASEI CO C I·Filed 1986·Granted Apr 26, 1988·71 cites·10 claims
- 0277US4155957AProcess for the production of self-swelling leakage-preventing materialsKASEI CO C I·Filed 1977·Granted May 22, 1979·28 cites·7 claims
- 0360US4211851AProcess for the preparation of self-swelling leakage-preventing materialsKASEI CO C I·Filed 1978·Granted Jul 8, 1980·16 cites·5 claims
- 0453US4756952AWater-swellable caulking material for water-leakage preventionKASEI CO C I·Filed 1985·Granted Jul 12, 1988·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →