Inventor · disambiguated record
Masaya Hisada
Also filed as: HISADA MASAYA
5 granted patents·20 citations·filing 2006–2012
75Inventor score
Top patents by PatentIndex Score
5 records- 0181US8430977B2Hollow drilling steel rod and method of manufacturing the sameHISADA MASAYA·Filed 2012·Granted Apr 30, 2013·6 cites·2 claims
- 0276US9551190B2Excavation toolMITSUBISHI MATERIALS CORP·Filed 2012·Granted Jan 24, 2017·6 cites·12 claims
- 0360US9428964B2Excavating toolMITSUBISHI MATERIALS CORP·Filed 2012·Granted Aug 30, 2016·2 cites·6 claims
- 0451US7942216B2Drill rod, drill bit, and drilling toolMITSUBISHI MATERIALS CORP·Filed 2006·Granted May 17, 2011·3 cites·8 claims
- 0544US8550191B2Digging tool, digging bit, and deviceHIWASA YONEO·Filed 2008·Granted Oct 8, 2013·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →