Inventor · disambiguated record
Kazumasa Yuasa
Also filed as: YUASA KAZUMASA
3 granted patents·10 citations·filing 1989–2006
59Inventor score
Files withHITACHI CONSTRUCTION MACHINERY3
Top patents by PatentIndex Score
3 records- 0174US7814823B2Feedback link for swash plate-type variable displacement hydraulic rotary machineHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted Oct 19, 2010·6 cites·4 claims
- 0228US5140815AValve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Aug 25, 1992·0 cites·11 claims
- 0328US4942900APressure control valveHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Jul 24, 1990·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →