Inventor · disambiguated record
Michio Okumura
Also filed as: OKUMURA MICHIO
31 granted patents·1,236 citations·filing 1983–2010
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US6142242APercussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatusMAKITA CORP·Filed 2000·Granted Nov 7, 2000·243 cites·7 claims
- 0297US4823885ATorque adjusting device for power driven rotary toolsMAKITA ELECTRIC WORKS LTD·Filed 1987·Granted Apr 25, 1989·105 cites·4 claims
- 0396USD323961SPortable electric drillMAKITA ELECTRIC WORKS LTD·Filed 1989·Granted Feb 18, 1992·53 cites·1 claims
- 0495USD437761SRechargeable impact wrenchMAKITA CORP·Filed 2000·Granted Feb 20, 2001·61 cites·1 claims
- 0595USD340394SPortable electric drillMAKITA CORP·Filed 1992·Granted Oct 19, 1993·51 cites·1 claims
- 0695US4986369ATorque adjusting mechanism for power driven rotary toolsMAKITA ELECTRIC WORKS LTD·Filed 1989·Granted Jan 22, 1991·84 cites·4 claims
- 0795US4625462ACordless electric finishing sanderMAKITA ELECTRIC WORKS LTD·Filed 1985·Granted Dec 2, 1986·78 cites·4 claims
- 0891US6892459B2Reciprocating cutting tools having devices for limiting scattering of cutting chipsMAKITA CORP·Filed 2002·Granted May 17, 2005·45 cites·26 claims
- 0991US6260281B1Blade mounting devices for reciprocating cutting toolsMAKITA CORP·Filed 1999·Granted Jul 17, 2001·74 cites·23 claims
- 1091USD345090SPortable electric screwdriverMAKITA CORP·Filed 1993·Granted Mar 15, 1994·38 cites·1 claims
- 1189USD304822SBattery packMAKITA ELECTRIC WORKS LTD·Filed 1988·Granted Nov 28, 1989·28 cites·1 claims
- 1288US4567950AVibrating means in a power drillMAKITA ELECTRIC WORKS LTD·Filed 1983·Granted Feb 4, 1986·49 cites·2 claims
- 1386US5083620ACordless power driven toolMAKITA ELECTRIC WORKS LTD·Filed 1990·Granted Jan 28, 1992·53 cites·2 claims
- 1485US6218633B1Switch mechanism for use in an electric power toolMAKITA CORP·Filed 2000·Granted Apr 17, 2001·30 cites·11 claims
- 1584US5265312AHook device in power driven toolMAKITA CORP·Filed 1992·Granted Nov 30, 1993·47 cites·12 claims
- 1683USD323276SCordless screwdriverMAKITA ELECTRIC WORKS LTD·Filed 1988·Granted Jan 21, 1992·20 cites·1 claims
- 1780USD350111SBattery packMAKITA CORP·Filed 1993·Granted Aug 30, 1994·20 cites·1 claims
- 1879USD328556SPortable electric drillMAKITA ELECTRIC WORKS LTD·Filed 1990·Granted Aug 11, 1992·20 cites·1 claims
- 1977USD368067SBattery packMAKITA CORP·Filed 1994·Granted Mar 19, 1996·18 cites·1 claims
- 2077USD352698SDesign for battery packMAKITA CORP·Filed 1993·Granted Nov 22, 1994·18 cites·1 claims
- 2177USD340393SPortable electric drillMAKITA CORP·Filed 1992·Granted Oct 19, 1993·18 cites·1 claims
- 2276USD333080SPortable electric drillMAKITA ELECTRIC WORKS LTD·Filed 1991·Granted Feb 9, 1993·17 cites·1 claims
- 2367USD370888SBattery holderMAKITA CORP·Filed 1995·Granted Jun 18, 1996·14 cites·1 claims
- 2467US4934494ACombined locking mechanism and switch especially for power toolsMAKITA ELECTRIC WORKS LTD·Filed 1989·Granted Jun 19, 1990·24 cites·8 claims
- 2564USD301114SDriver drillMAKITA ELECTRIC WORKS LTD·Filed 1987·Granted May 16, 1989·9 cites·1 claims
- 2657USD300718SCordless driver drillMAKITA ELECTRIC WORKS LTD·Filed 1987·Granted Apr 18, 1989·7 cites·1 claims
- 2754US8813375B2Dust-proof structure of movable cover supporting portion of cutting machineOKUMURA MICHIO·Filed 2010·Granted Aug 26, 2014·2 cites·5 claims
- 2847USD343567SDriver drillMAKITA CORP·Filed 1992·Granted Jan 25, 1994·5 cites·1 claims
- 2947USD327400SPortable electric drillMAKITA ELECTRIC WORKS LTD·Filed 1990·Granted Jun 30, 1992·5 cites·1 claims
- 3029US5803147AVertical blindMAKITA CORP·Filed 1996·Granted Sep 8, 1998·0 cites·16 claims
- 3128USD295363SCordless laminate trimmer or the likeMAKITA ELECTRIC WORKS LTD·Filed 1986·Granted Apr 26, 1988·0 cites·1 claims
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