Inventor · disambiguated record
Hideshi Koiwai
Also filed as: KOIWAI HIDESHI
8 granted patents·155 citations·filing 1980–1994
88Inventor score
Top patents by PatentIndex Score
8 records- 0180US5347811ALoad-sensing active hydraulic control device for multiple actuatorsKAYABA INDUSTRY CO LTD·Filed 1992·Granted Sep 20, 1994·53 cites·2 claims
- 0275US4351356APressure control valveKAYABA INDUSTRY CO LTD·Filed 1980·Granted Sep 28, 1982·30 cites·6 claims
- 0366US4289160APressure control valveKAYABA INDUSTRY CO LTD·Filed 1980·Granted Sep 15, 1981·24 cites·5 claims
- 0450US5168705AHydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted Dec 8, 1992·18 cites·3 claims
- 0545US5507317AInput apparatusKAYABA INDUSTRY CO LTD·Filed 1994·Granted Apr 16, 1996·11 cites·1 claims
- 0642US5348049AInput apparatusKAYABA INDUSTRY CO LTD·Filed 1992·Granted Sep 20, 1994·8 cites·2 claims
- 0739US5251534AInput apparatusKAYABA INDUSTRY CO LTD·Filed 1992·Granted Oct 12, 1993·6 cites·3 claims
- 0832US4858651AControl valve for construction equipmentKAYABA INDUSTRY CO LTD·Filed 1988·Granted Aug 22, 1989·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →