Inventor · disambiguated record

Haruo Kubota

Also filed as: KUBOTA HARUO

10 granted patents·1 pending application·99 citations·filing 1991–2013

89Inventor score

Technology areasB66D G04G

Files withELEPHANT CHAIN BLOCK CO7 ELEPHANT CHAIN BLOCK COMPANY LTD2 CONVEX CORP LTD1 KUBOTA HARUO1

Top patents by PatentIndex Score

11 records

0169USD347508SMain body of lever-type winding machineELEPHANT CHAIN BLOCK COMPANY LTD·Filed 1993·Granted May 31, 1994·14 cites·1 claims
0260USD341016SOver-load cutout device for hand-operated, hoisting and pulling machineELEPHANT CHAIN BLOCK COMPANY LTD·Filed 1991·Granted Nov 2, 1993·10 cites·1 claims
0355US5305989AHoist and traction machine with free rotation controlELEPHANT CHAIN BLOCK CO·Filed 1992·Granted Apr 26, 1994·15 cites·8 claims
0451US5351937AHoist and traction machine with free rotation controlELEPHANT CHAIN BLOCK CO·Filed 1992·Granted Oct 4, 1994·15 cites·2 claims
0547US5472171AFree rotation control apparatus for a hoist and traction machineELEPHANT CHAIN BLOCK CO·Filed 1993·Granted Dec 5, 1995·12 cites·6 claims
0647US2015071043A1Relative Clock Time Display Device and Relative Clock Time Display ProgramCONVEX CORP LTD·Filed 2013·Application pending·0 cites
0744US5556078AManual hoist and traction machineELEPHANT CHAIN BLOCK CO·Filed 1993·Granted Sep 17, 1996·10 cites·10 claims
0841US5330036AMechanical brake for a hoist and traction machineELEPHANT CHAIN BLOCK CO·Filed 1993·Granted Jul 19, 1994·8 cites·8 claims
0934US5316267AHoist including guards with chain swelling and twist corrective surfacesELEPHANT CHAIN BLOCK CO·Filed 1992·Granted May 31, 1994·5 cites·4 claims
1033US5398912AHoist including brake cover and operating lever couplingELEPHANT CHAIN BLOCK CO·Filed 1992·Granted Mar 21, 1995·3 cites·1 claims
1133US5271607ABearing structure for hoist/traction apparatusKUBOTA HARUO·Filed 1991·Granted Dec 21, 1993·7 cites·7 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →