Inventor · disambiguated record
Hirohumi Doi
Also filed as: DOI HIROHUMI
3 granted patents·24 citations·filing 2005–2008
69Inventor score
Files withMITSUI SHIPBUILDING ENG3
Top patents by PatentIndex Score
3 records- 0173US7681748B2Hoisting device with vertical motion compensation functionMITSUI SHIPBUILDING ENG·Filed 2005·Granted Mar 23, 2010·13 cites·14 claims
- 0267US7775383B2Hoisting device with vertical motion compensation functionMITSUI SHIPBUILDING ENG·Filed 2008·Granted Aug 17, 2010·7 cites·11 claims
- 0363US7866630B2Winding mechanism with tension control function and trawling apparatusMITSUI SHIPBUILDING ENG·Filed 2006·Granted Jan 11, 2011·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →