Inventor · disambiguated record
Shigeharu Ushiwata
Also filed as: USHIWATA SHIGEHARU
36 granted patents·6 pending applications·652 citations·filing 1987–2019
98Inventor score
Files withHITACHI KOKI KK27USHIWATA SHIGEHARU6HITACHI KOKI HARAMACHI CO LTD5KAWANO YOSHIKAZU1KOKI HOLDINGS CO LTD1
Top patents by PatentIndex Score
42 records- 0198US4869142ADesk-top circular sawHITACHI KOKI HARAMACHI CO LTD·Filed 1987·Granted Sep 26, 1989·129 cites·5 claims
- 0297US5060548ADesk-top circular sawHITACHI KOKI HARAMACHI CO LTD·Filed 1989·Granted Oct 29, 1991·117 cites·2 claims
- 0392US7997177B2Miter sawHITACHI KOKI KK·Filed 2005·Granted Aug 16, 2011·17 cites·16 claims
- 0492US7669510B2Miter saw having holder fixing mechanismHITACHI KOKI KK·Filed 2005·Granted Mar 2, 2010·16 cites·11 claims
- 0592US7331264B2Miter saw having mechanism for adjusting tilting angle of circular saw bladeHITACHI KOKI KK·Filed 2005·Granted Feb 19, 2008·29 cites·15 claims
- 0692US5425294ADesk-top cutting machine with tiltable sawHITACHI KOKI HARAMACHI CO LTD·Filed 1993·Granted Jun 20, 1995·73 cites·5 claims
- 0792USD306031SMitre sawHITACHI KOKI HARAMACHI CO LTD·Filed 1988·Granted Feb 13, 1990·35 cites·1 claims
- 0890US7726225B2Miter saw having holder fixing mechanismHITACHI KOKI KK·Filed 2008·Granted Jun 1, 2010·13 cites·13 claims
- 0989US7886644B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2006·Granted Feb 15, 2011·11 cites·12 claims
- 1089US7367254B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2006·Granted May 6, 2008·10 cites·8 claims
- 1188US7207251B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2001·Granted Apr 24, 2007·20 cites·19 claims
- 1287US8359960B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2011·Granted Jan 29, 2013·5 cites·10 claims
- 1387US7418894B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2004·Granted Sep 2, 2008·18 cites·12 claims
- 1483US7373866B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2004·Granted May 20, 2008·14 cites·4 claims
- 1582US7793575B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2006·Granted Sep 14, 2010·6 cites·16 claims
- 1681USD513271SSliding compound miter sawHITACHI KOKI KK·Filed 2004·Granted Dec 27, 2005·25 cites·1 claims
- 1777US7383759B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2004·Granted Jun 10, 2008·10 cites·14 claims
- 1876US7845260B2Miter sawHITACHI KOKI KK·Filed 2007·Granted Dec 7, 2010·8 cites·11 claims
- 1976US6971298B2Miter saw with laterally tiltable circular saw bladeHITACHI KOKI KK·Filed 2002·Granted Dec 6, 2005·20 cites·3 claims
- 2075US8561513B2Miter sawUSHIWATA SHIGEHARU·Filed 2011·Granted Oct 22, 2013·4 cites·16 claims
- 2175US7905167B2Miter sawHITACHI KOKI KK·Filed 2006·Granted Mar 15, 2011·7 cites·2 claims
- 2274US7930962B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2008·Granted Apr 26, 2011·3 cites·5 claims
- 2370US8161859B2Miter sawUSHIWATA SHIGEHARU·Filed 2010·Granted Apr 24, 2012·3 cites·14 claims
- 2470US8061250B2Miter saw having circular saw blade section pivotally movable upward and downward and tiltable leftward and rightwardUSHIWATA SHIGEHARU·Filed 2005·Granted Nov 22, 2011·7 cites·9 claims
- 2568US8047111B2Miter saw having angle adjustment mechanismHITACHI KOKI KK·Filed 2005·Granted Nov 1, 2011·5 cites·17 claims
- 2668USD324055SCircular sawHITACHI KOKI HARAMACHI CO LTD·Filed 1989·Granted Feb 18, 1992·11 cites·1 claims
- 2766US7387058B2Miter saw having light beam projection deviceHITACHI KOKI KK·Filed 2004·Granted Jun 17, 2008·9 cites·16 claims
- 2864US8127650B2Miter sawUSHIWATA SHIGEHARU·Filed 2007·Granted Mar 6, 2012·4 cites·5 claims
- 2960US9174288B2Slidable miter saw with guiding mechanismHITACHI KOKI KK·Filed 2012·Granted Nov 3, 2015·1 cites·6 claims
- 3059US7696450B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2004·Granted Apr 13, 2010·3 cites·9 claims
- 3159US7503246B2Slide type miter sawHITACHI KOKI KK·Filed 2004·Granted Mar 17, 2009·8 cites·19 claims
- 3258US11969810B2Work machineKOKI HOLDINGS CO LTD·Filed 2019·Granted Apr 30, 2024·0 cites·12 claims
- 3358US8770076B2Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting positionHITACHI KOKI KK·Filed 2013·Granted Jul 8, 2014·0 cites·11 claims
- 3450US2007205665A1Power Tool with Power Supply Circuit Supplying Different Level DC Voltages to Different Auxiliary DevicesKAWANO YOSHIKAZU·Filed 2007·Application pending·0 cites
- 3549US2006011037A1Miter saw having laser oscillatorUSHIWATA SHIGEHARU·Filed 2005·Application pending·0 cites
- 3645USD415000SBench circular sawHITACHI KOKI KK·Filed 1998·Granted Oct 12, 1999·5 cites·1 claims
- 3744USD529936SSlide compound miter sawHITACHI KOKI KK·Filed 2005·Granted Oct 10, 2006·6 cites·1 claims
- 3841US9950376B2Miter saw having dust proof structure for bearing which allows cutting unit to move in parallel to base surfaceHITACHI KOKI KK·Filed 2015·Granted Apr 24, 2018·0 cites·16 claims
- 3940US2014130645A1Cutting machine and emergency stop method of motorTAKANO NOBUHIRO·Filed 2012·Application pending·0 cites
- 4040US2017012572A1Work toolHITACHI KOKI KK·Filed 2015·Application pending·0 cites
- 4136US2006042444A1Miter saw having two laser oscillatorsUSHIWATA SHIGEHARU·Filed 2005·Application pending·0 cites
- 4231US2006005676A1Miter saw having digital displayTERASHIMA HIDEAKI·Filed 2005·Application pending·0 cites
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