Inventor · disambiguated record
Ryuichi Imamura
Also filed as: IMAMURA RYUICHI
29 granted patents·2 pending applications·350 citations·filing 1983–2015
97Inventor score
Files withHITACHI KOKI KK23USHIWATA SHIGEHARU4HITACHI KOKI HARAMACHI CO LTD1IMAMURA RYUICHI1TERASHIMA HIDEAKI1
Top patents by PatentIndex Score
31 records- 0192US7997177B2Miter sawHITACHI KOKI KK·Filed 2005·Granted Aug 16, 2011·17 cites·16 claims
- 0292US7669510B2Miter saw having holder fixing mechanismHITACHI KOKI KK·Filed 2005·Granted Mar 2, 2010·16 cites·11 claims
- 0392US7331264B2Miter saw having mechanism for adjusting tilting angle of circular saw bladeHITACHI KOKI KK·Filed 2005·Granted Feb 19, 2008·29 cites·15 claims
- 0492US5425294ADesk-top cutting machine with tiltable sawHITACHI KOKI HARAMACHI CO LTD·Filed 1993·Granted Jun 20, 1995·73 cites·5 claims
- 0590US7726225B2Miter saw having holder fixing mechanismHITACHI KOKI KK·Filed 2008·Granted Jun 1, 2010·13 cites·13 claims
- 0689US7886644B2Cutter 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
- 0789US7367254B2Cutter 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
- 0888US7207251B2Cutter 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
- 0987US8359960B2Cutter 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
- 1087US7418894B2Cutter 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
- 1183US7373866B2Cutter 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
- 1282US7793575B2Cutter 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
- 1381USD513271SSliding compound miter sawHITACHI KOKI KK·Filed 2004·Granted Dec 27, 2005·25 cites·1 claims
- 1480US8631733B2Miter sawIMAMURA RYUICHI·Filed 2010·Granted Jan 21, 2014·11 cites·13 claims
- 1577US7383759B2Cutter 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
- 1675US8561513B2Miter sawUSHIWATA SHIGEHARU·Filed 2011·Granted Oct 22, 2013·4 cites·16 claims
- 1775US7905167B2Miter sawHITACHI KOKI KK·Filed 2006·Granted Mar 15, 2011·7 cites·2 claims
- 1874US7930962B2Cutter 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
- 1970US8161859B2Miter sawUSHIWATA SHIGEHARU·Filed 2010·Granted Apr 24, 2012·3 cites·14 claims
- 2070US8061250B2Miter 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
- 2168US8047111B2Miter saw having angle adjustment mechanismHITACHI KOKI KK·Filed 2005·Granted Nov 1, 2011·5 cites·17 claims
- 2266US7387058B2Miter saw having light beam projection deviceHITACHI KOKI KK·Filed 2004·Granted Jun 17, 2008·9 cites·16 claims
- 2360US9174288B2Slidable miter saw with guiding mechanismHITACHI KOKI KK·Filed 2012·Granted Nov 3, 2015·1 cites·6 claims
- 2459US7696450B2Cutter 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
- 2559US7503246B2Slide type miter sawHITACHI KOKI KK·Filed 2004·Granted Mar 17, 2009·8 cites·19 claims
- 2658US8770076B2Cutter 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
- 2758US4441412ADriving device of sorting cylinder for use in a rotary type rice hulling and sorting deviceYANMAR AGRICULT EQUIP·Filed 1983·Granted Apr 10, 1984·17 cites·3 claims
- 2849US2006011037A1Miter saw having laser oscillatorUSHIWATA SHIGEHARU·Filed 2005·Application pending·0 cites
- 2945USD415000SBench circular sawHITACHI KOKI KK·Filed 1998·Granted Oct 12, 1999·5 cites·1 claims
- 3041US9950376B2Miter 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
- 3131US2006005676A1Miter saw having digital displayTERASHIMA HIDEAKI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →