Inventor · disambiguated record
Eiji Egawa
Also filed as: EGAWA EIJI
11 granted patents·2 pending applications·225 citations·filing 1996–2024
90Inventor score
Top patents by PatentIndex Score
13 records- 0190US5968104AFront control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Oct 19, 1999·76 cites·13 claims
- 0283US5957989AInterference preventing system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted Sep 28, 1999·53 cites·31 claims
- 0381US9469969B2Device and method for calculating basic information for area limiting excavation control, and construction machineryHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Oct 18, 2016·8 cites·9 claims
- 0480US5752333AArea limiting excavation control system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted May 19, 1998·48 cites·10 claims
- 0574US7712565B2HST travel system for working machineHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted May 11, 2010·11 cites·5 claims
- 0673US12450528B2Work management systemHITACHI CONSTRUCTION MACH CO·Filed 2024·Granted Oct 21, 2025·0 cites·5 claims
- 0761US8585156B2Travel control device for work vehicle and work vehicleUDAGAWA TSUTOMU·Filed 2006·Granted Nov 19, 2013·5 cites·7 claims
- 0861US2022172132A1Work management systemHITACHI CONSTRUCTION MACH CO·Filed 2020·Application pending·0 cites
- 0955US11748826B2Construction site management device and construction site management systemHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Sep 5, 2023·0 cites·6 claims
- 1047US2014033699A1Travel control device for work vehicle and work vehicleHITACHI CONSTRUCTION MACHINERY·Filed 2013·Application pending·0 cites
- 1146US12141723B2Site management systemHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Nov 12, 2024·0 cites·4 claims
- 1239US6079131AOperation control device for three-joint type excavatorHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Jun 27, 2000·12 cites·7 claims
- 1337US6101437AOperation control device for three-joint excavatorFiled 1997·Granted Aug 8, 2000·12 cites·11 claims
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