Inventor · disambiguated record
Eiji Yamagata
Also filed as: YAMAGATA EIJI
4 granted patents·249 citations·filing 1989–1996
81Inventor score
Top patents by PatentIndex Score
4 records- 0195US5835874ARegion limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1995·Granted Nov 10, 1998·117 cites·34 claims
- 0289US5701691ARegion limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1995·Granted Dec 30, 1997·74 cites·21 claims
- 0384US5735065AArea limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted Apr 7, 1998·55 cites·24 claims
- 0426US5074684ADot printer device having a control unit to print horizontal linesHITACHI LTD·Filed 1989·Granted Dec 24, 1991·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →