Inventor · disambiguated record
Hiroyasu Nishikawa
Also filed as: NISHIKAWA HIROYASU
19 granted patents·1 pending application·325 citations·filing 1998–2017
94Inventor score
Files withNISHIKAWA HIROYASU4CATERPILLAR MITSUBISHI LTD3CATERPILLAR SARL3KAWASAKI HEAVY IND LTD3MATSUOKA TETSUYA2
Top patents by PatentIndex Score
20 records- 0195US6778097B1Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machineCATERPILLAR MITSUBISHI LTD·Filed 1998·Granted Aug 17, 2004·172 cites·41 claims
- 0293US8968148B2Planetary gear reducerMATSUOKA TETSUYA·Filed 2011·Granted Mar 3, 2015·22 cites·10 claims
- 0391US8899035B2Hydraulic control apparatus for work machineNISHIKAWA HIROYASU·Filed 2010·Granted Dec 2, 2014·17 cites·6 claims
- 0491US8398525B2Planetary gear reduction systemMATSUOKA TETSUYA·Filed 2010·Granted Mar 19, 2013·19 cites·5 claims
- 0583US8348803B2Planetary reduction gear apparatusKAWASAKI HEAVY IND LTD·Filed 2009·Granted Jan 8, 2013·12 cites·7 claims
- 0680US10274047B2Planetary gear device with inward flange having recessesKAWASAKI HEAVY IND LTD·Filed 2017·Granted Apr 30, 2019·3 cites·6 claims
- 0776US9309649B2Work machineNISHIKAWA HIROYASU·Filed 2010·Granted Apr 12, 2016·8 cites·6 claims
- 0875US9051904B2EngineNISHIKAWA HIROYASU·Filed 2011·Granted Jun 9, 2015·3 cites·10 claims
- 0975US7243642B2Breather device of engineYANMAR CO LTD·Filed 2002·Granted Jul 17, 2007·21 cites·12 claims
- 1069USD482045SInternal combustion engineYANMAR CO LTD·Filed 2002·Granted Nov 11, 2003·16 cites·1 claims
- 1164US7958907B2Fluid pressure circuitCATERPILLAR SARL·Filed 2007·Granted Jun 14, 2011·5 cites·4 claims
- 1261US9103095B2Hydraulic circuit control device and work machineNISHIKAWA HIROYASU·Filed 2011·Granted Aug 11, 2015·3 cites·5 claims
- 1358US6601877B2Piping structure of a working machineCATERPILLAR MITSUBISHI LTD·Filed 2001·Granted Aug 5, 2003·9 cites·11 claims
- 1458US6408875B1Piping structure of a working machineCATERPILLAR MITSUBISHI LTD·Filed 2001·Granted Jun 25, 2002·9 cites·6 claims
- 1556US7930970B2Control unit for work machineCATERPILLAR SARL·Filed 2007·Granted Apr 26, 2011·4 cites·5 claims
- 1651US9726062B2Engine deviceNISHIMURA SHINJI·Filed 2012·Granted Aug 8, 2017·0 cites·13 claims
- 1751US8539762B2Hydraulic control circuit for construction machineSHIMADA YOSHIYUKI·Filed 2007·Granted Sep 24, 2013·2 cites·8 claims
- 1848US10259538B2Liquefied gas tank and on-water structure including the sameKAWASAKI HEAVY IND LTD·Filed 2014·Granted Apr 16, 2019·0 cites·15 claims
- 1938US7926411B2Valve control unitCATERPILLAR SARL·Filed 2007·Granted Apr 19, 2011·0 cites·1 claims
- 2034US2002136597A1Quick coupler device of working machineFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →