Inventor · disambiguated record
Yasuharu Hanaoka
Also filed as: HANAOKA YASUHARU
5 granted patents·19 citations·filing 2010–2019
72Inventor score
Technology areasE21D
Top patents by PatentIndex Score
5 records- 0180US8523288B2Bit replacing device for excavating machineHANAOKA YASUHARU·Filed 2010·Granted Sep 3, 2013·14 cites·5 claims
- 0255US9222356B2Drill bit exchange device for shield tunneling machineHANAOKA YASUHARU·Filed 2012·Granted Dec 29, 2015·2 cites·10 claims
- 0355US9140124B2Excavation machineKOBAYASHI MASANORI·Filed 2012·Granted Sep 22, 2015·2 cites·7 claims
- 0449US8540319B2Bit replacing device for excavating machineHANAOKA YASUHARU·Filed 2010·Granted Sep 24, 2013·1 cites·4 claims
- 0537US12065932B2Excavation tool replacement device and tunnel boring machineUNDERGROUND INFRASTRUCTURE TECH CORPORATION·Filed 2019·Granted Aug 20, 2024·0 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →