Inventor · disambiguated record
Tomohiko Yasuoka
Also filed as: YASUOKA TOMOHIKO
3 granted patents·107 citations·filing 1990–1999
75Inventor score
Files withHITACHI CONSTRUCTION MACHINERY3
Top patents by PatentIndex Score
3 records- 0193US5177964AHydraulic drive traveling systemHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Jan 12, 1993·64 cites·21 claims
- 0273US6386088B1Hydraulic cylinderHITACHI CONSTRUCTION MACHINERY·Filed 1999·Granted May 14, 2002·24 cites·17 claims
- 0358US5197283AHydraulic-motor drive circuit system with anti-cavitation controlHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Mar 30, 1993·19 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →