Inventor · disambiguated record
Hirozumi Shimizu
Also filed as: IGARASHI TAIZO · SHIMIZU HIROZUMI
3 granted patents·98 citations·filing 1977–1982
74Inventor score
Top patents by PatentIndex Score
3 records- 0186US4428984AMethod of preventing dustsNIPPON OILS & FATS CO LTD·Filed 1982·Granted Jan 31, 1984·71 cites·13 claims
- 0268US4187078ACoal dispersing oilNIPPON OILS & FATS CO INC·Filed 1977·Granted Feb 5, 1980·18 cites·10 claims
- 0345US4203729AMethod for producing coal dispersing oil compositionsNIPPON OILS & FATS CO INC·Filed 1978·Granted May 20, 1980·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →