Inventor · disambiguated record
Masami Ochiai
Also filed as: OCHIAI MASAMI
33 granted patents·8 pending applications·704 citations·filing 1988–2011
97Inventor score
Files withHITACHI CONSTRUCTION MACHINERY20HITACHI CHEMICAL CO LTD4HAYASE ISAO3MAKINO TATSUYA2TAKASAKI TOSHIHIKO2
Top patents by PatentIndex Score
41 records- 0192US7979182B2Swing drive system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted Jul 12, 2011·18 cites·5 claims
- 0291US6055851AApparatus for diagnosing failure of hydraulic pump for work machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted May 2, 2000·86 cites·10 claims
- 0390US6339929B1Swivel control apparatusHITACHI CONSTRUCTION MACHINERY·Filed 2000·Granted Jan 22, 2002·46 cites·8 claims
- 0490US5048294ASafety device for hydraulic closed circuitHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Sep 17, 1991·47 cites·8 claims
- 0588US7751678B2Resin composition for optical material, resin film for optical material and optical waveguide using sameHITACHI CHEMICAL CO LTD·Filed 2005·Granted Jul 6, 2010·9 cites·23 claims
- 0688US4919390ASolenoid operated valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1988·Granted Apr 24, 1990·42 cites·4 claims
- 0786US5442912AHydraulic recovery deviceHITACHI CONSTRUCTION MACHINERY·Filed 1993·Granted Aug 22, 1995·34 cites·17 claims
- 0884US8787723B2Resin composition for forming optical waveguide, resin film for forming optical waveguide, and optical waveguideMAKINO TATSUYA·Filed 2010·Granted Jul 22, 2014·6 cites·15 claims
- 0984US5873245AHydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted Feb 23, 1999·39 cites·16 claims
- 1083US8351752B2Flexible optical waveguide, method for manufacturing such flexible optical waveguide, and optical moduleHITACHI CHEMICAL CO LTD·Filed 2007·Granted Jan 8, 2013·13 cites·16 claims
- 1178US7500360B2Hydraulic driving system of construction machineryHITACHI CONSTRUCTION MACHINERY·Filed 2003·Granted Mar 10, 2009·20 cites·26 claims
- 1278US5433076AHydraulic control valve apparatus and hydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1993·Granted Jul 18, 1995·27 cites·39 claims
- 1377US8326110B2Flexible optical waveguide having a cladding layer composed of a resin for forming a cladding layer and a base material filmSHIBATA TOMOAKI·Filed 2010·Granted Dec 4, 2012·1 cites·4 claims
- 1473US7175155B2Control valve apparatus and pressure circuitHITACHI CONSTRUCTION MACHINERY·Filed 2005·Granted Feb 13, 2007·7 cites·9 claims
- 1571US6219807B1Semiconductor memory device having an ECC circuitNEC CORP·Filed 1998·Granted Apr 17, 2001·73 cites·4 claims
- 1671US5421155AHydraulic drive system for hydraulic working machinesHITACHI CONSTRUCTION MACHINERY·Filed 1993·Granted Jun 6, 1995·34 cites·15 claims
- 1770US6244048B1Hydraulique drive deviceHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jun 12, 2001·37 cites·6 claims
- 1869US8538230B2Resin composition for production of clad layer, resin film for production of clad layer utilizing the resin composition, and optical waveguide and optical module each utilizing the resin composition or the resin filmOCHIAI MASAMI·Filed 2009·Granted Sep 17, 2013·6 cites·26 claims
- 1966US6644629B1Overwinding prevention device for winchHITACHI CONSTRUCTION MACHINERY·Filed 1999·Granted Nov 11, 2003·30 cites·12 claims
- 2064US4813447AFlow control valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1988·Granted Mar 21, 1989·23 cites·15 claims
- 2163US8463099B2Resin composition for optical material, resin film for optical material, and optical waveguide using themMAKINO TATSUYA·Filed 2008·Granted Jun 11, 2013·1 cites·20 claims
- 2263US5460001AFlow control systemHITACHI CONSTRUCTION MACHINERY·Filed 1994·Granted Oct 24, 1995·27 cites·10 claims
- 2361US7660503B2Flexible optical waveguide and optical moduleHITACHI CHEMICAL CO LTD·Filed 2007·Granted Feb 9, 2010·2 cites·18 claims
- 2460US6823289B2Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing deviceHITACHI CONSTRUCTION MACHINERY·Filed 2002·Granted Nov 23, 2004·8 cites·13 claims
- 2558US5251444AHydraulic drive system and valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted Oct 12, 1993·15 cites·10 claims
- 2653US4914712ADevice for supporting lift roll for fork lift truckTOYODA AUTOMATIC LOOM WORKS·Filed 1989·Granted Apr 3, 1990·15 cites·8 claims
- 2752US2012012425A1Linear actuator and forklift truckHAYASE ISAO·Filed 2009·Application pending·0 cites
- 2851US8383695B2Phenoxy resin for optical material, resin composition for optical material, resin film for optical material and optical waveguide using thoseHITACHI CHEMICAL CO LTD·Filed 2007·Granted Feb 26, 2013·0 cites·23 claims
- 2951US4846046AHydraulic drive circuit systemHITACHI CONSTRUCTION MACHINERY·Filed 1988·Granted Jul 11, 1989·15 cites·7 claims
- 3045US2011259673A1Linear actuatorHAYASE ISAO·Filed 2009·Application pending·0 cites
- 3143US5392539AHydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1992·Granted Feb 28, 1995·12 cites·6 claims
- 3243US2012303226A1Electrically-driven operating device and working machine incorporating the sameYAMASAKI MASARU·Filed 2011·Application pending·0 cites
- 3342US8787722B2Optical waveguideTAKASAKI TOSHIHIKO·Filed 2009·Granted Jul 22, 2014·0 cites·19 claims
- 3442US2010247058A1Resin composition for optical waveguide and optical waveguideTAKASAKI TOSHIHIKO·Filed 2008·Application pending·0 cites
- 3542US2012174691A1Linear actuatorYAMADA HIROYUKI·Filed 2010·Application pending·0 cites
- 3641US9605143B2Resin composition for formation of optical waveguide, resin film for formation of optical waveguide which comprises the resin composition, and optical waveguide produced using the resin composition or the resin filmYAMAGUCHI MASATOSHI·Filed 2011·Granted Mar 28, 2017·0 cites·11 claims
- 3741US5003776AHydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Apr 2, 1991·11 cites·14 claims
- 3839US2010040986A1Process for manufacturing light guideYAMAGUCHI MASATOSHI·Filed 2007·Application pending·0 cites
- 3938US8604096B2Photosensitive resin composition, photosensitive resin varnish, photosensitive resin film, and photosensitive resin cured productSUZUMURA KOUJI·Filed 2010·Granted Dec 10, 2013·0 cites·21 claims
- 4035US2009078528A1Drum rotating apparatus for use on construction machinesUZAWA NOBUO·Filed 2006·Application pending·0 cites
- 4133US2012111669A1Linear actuator and forklift truckHAYASE ISAO·Filed 2010·Application pending·0 cites
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