Inventor · disambiguated record
Masaru Hayakawa
Also filed as: HAYAKAWA MASARU
3 granted patents·2 pending applications·25 citations·filing 1986–2021
64Inventor score
Top patents by PatentIndex Score
5 records- 0171US6997607B2Temperature sensorNGK SPARK PLUG CO·Filed 2002·Granted Feb 14, 2006·21 cites·10 claims
- 0259US2020251234A1Radiation shielding sheetTOPPAN PRINTING CO LTD·Filed 2020·Application pending·0 cites
- 0354US10622113B2Radiation shielding sheetTOPPAN PRINTING CO LTD·Filed 2014·Granted Apr 14, 2020·0 cites·6 claims
- 0440US4691759ABinder for dry sand mold and method of its usageNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Sep 8, 1987·4 cites·4 claims
- 0538US2024099470A1Easy-assembly bed, multipurpose table, and transportation lightweight boardTOPPAN INC·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →