Inventor · disambiguated record
Masaaki Miyanaga
Also filed as: MIYANAGA MASAAKI
47 granted patents·6 pending applications·639 citations·filing 1978–2021
98Inventor score
Top patents by PatentIndex Score
53 records- 0196US4408935AMetal borerMIYANAGA KK·Filed 1981·Granted Oct 11, 1983·77 cites·1 claims
- 0294US9950445B2Hole-drilling device for drilling hole with expanded diameter hole portionKK MIYANAGA·Filed 2014·Granted Apr 24, 2018·20 cites·4 claims
- 0390US7611312B2Core cutterMIYANAGA KK·Filed 2004·Granted Nov 3, 2009·40 cites·20 claims
- 0486US5915893AMultistage bit and stopperMIYANAGA KK·Filed 1997·Granted Jun 29, 1999·56 cites·14 claims
- 0586US4635737AUndercutting drillMIYANAGA KK·Filed 1985·Granted Jan 13, 1987·40 cites·5 claims
- 0685US6966730B1Shank installation structure and cuttersMIYANAGA KK·Filed 2000·Granted Nov 22, 2005·28 cites·10 claims
- 0782US4998981ABit for drilling an undercut holeMIYANAGA KK·Filed 1990·Granted Mar 12, 1991·45 cites·3 claims
- 0879US8113747B2Drill dust collectorMASAAKI MIYANAGA·Filed 2005·Granted Feb 14, 2012·10 cites·10 claims
- 0978US8100612B2Core drillMASAAKI MIYANAGA·Filed 2005·Granted Jan 24, 2012·10 cites·8 claims
- 1078US4297059AApparatus for forming holes in plate glassMASAAKI MIYANAGA·Filed 1979·Granted Oct 27, 1981·26 cites·1 claims
- 1175US5167475ACore drillMIYANAGA KK·Filed 1992·Granted Dec 1, 1992·35 cites·1 claims
- 1274US11213898B2Drilling device for enlarged-diameter holeKK MIYANAGA·Filed 2019·Granted Jan 4, 2022·2 cites·4 claims
- 1373US6817428B1Drill bitMIYANAGA KK·Filed 2000·Granted Nov 16, 2004·17 cites·17 claims
- 1472US7097396B1Drill bitMIYANAGA KK·Filed 2000·Granted Aug 29, 2006·15 cites·18 claims
- 1571US10132344B2Anchor boltKK MIYANAGA·Filed 2016·Granted Nov 20, 2018·2 cites·8 claims
- 1669US8608413B2Shank attachment deviceMASAAKI MIYANAGA·Filed 2007·Granted Dec 17, 2013·6 cites·8 claims
- 1768USD541831SHole cutterMIYANAGA KK·Filed 2005·Granted May 1, 2007·16 cites·1 claims
- 1868US6250856B1Quick attachment structure for drill shankMIYANAGA KK·Filed 1998·Granted Jun 26, 2001·30 cites·14 claims
- 1967US10335980B2Dust suction drill and dust suction unitKK MIYANAGA·Filed 2016·Granted Jul 2, 2019·1 cites·7 claims
- 2067US7137462B2Drill bitMIYANAGA KK·Filed 2003·Granted Nov 21, 2006·12 cites·10 claims
- 2166US8371775B2Shank attachment structureMIYANAGA KK·Filed 2007·Granted Feb 12, 2013·3 cites·9 claims
- 2265US12397473B2Boring deviceKK MIYANAGA·Filed 2021·Granted Aug 26, 2025·0 cites·12 claims
- 2364US4209272AApparatus and method of forming holes in plate glassMASAAKI MIYANAGA·Filed 1978·Granted Jun 24, 1980·10 cites·1 claims
- 2463US8419321B2Water feed apparatus for core drillMASAAKI MIYANAGA·Filed 2006·Granted Apr 16, 2013·2 cites·7 claims
- 2563US5316418AHole cutterMIYANAGA KK·Filed 1992·Granted May 31, 1994·21 cites·2 claims
- 2662US9463507B2Method for producing hard tipKK MIYANAGA·Filed 2013·Granted Oct 11, 2016·0 cites·2 claims
- 2762US9457491B2Coolant supply device and electric drill unit provided with coolant supply deviceMASAAKI MIYANAGA·Filed 2012·Granted Oct 4, 2016·1 cites·6 claims
- 2862US9162371B2Drill bitMASAAKI MIYANAGA·Filed 2011·Granted Oct 20, 2015·1 cites·3 claims
- 2961US7891444B2Drill bitMIYANAGA KK·Filed 2005·Granted Feb 22, 2011·3 cites·7 claims
- 3061US7357705B2Diamond diskMIYANAGA KK·Filed 2003·Granted Apr 15, 2008·7 cites·7 claims
- 3158US11453071B2Core cutter and cutting method using the sameKK MIYANAGA·Filed 2019·Granted Sep 27, 2022·0 cites·13 claims
- 3257US6926476B1Core body lock device of core drill and core body used for the deviceMIYANAGA KK·Filed 2000·Granted Aug 9, 2005·8 cites·8 claims
- 3354US2010003093A1Hard Tip and Method for Producing the SameMIYANAGA KK·Filed 2006·Application pending·0 cites
- 3451US9925691B2Drill bitKK MIYANAGA·Filed 2015·Granted Mar 27, 2018·0 cites·11 claims
- 3551US4919579AAnchor construction and method of manufactureMIYANAGA KK·Filed 1988·Granted Apr 24, 1990·16 cites·17 claims
- 3651US2009217482A1Anchor Bolt Hole Cleaning DeviceMIYANAGA MASAAKI·Filed 2005·Application pending·0 cites
- 3750US8613577B2Core drillMASAAKI MIYANAGA·Filed 2009·Granted Dec 24, 2013·0 cites·5 claims
- 3850US5284409AExpansion anchor for engagement in a holeMIYANAGA KK·Filed 1992·Granted Feb 8, 1994·17 cites·6 claims
- 3950US5050286ADriving mechanism for anchorMIYANAGA KK·Filed 1989·Granted Sep 24, 1991·16 cites·4 claims
- 4049US12403536B2Diameter-enlarged hole portion forming deviceKK MIYANAGA·Filed 2019·Granted Sep 2, 2025·0 cites·5 claims
- 4149US10744677B2Hole drilling device for forming expanded-diameter hole portionKK MIYANAGA·Filed 2017·Granted Aug 18, 2020·0 cites·6 claims
- 4247US8794880B2Core cutterMASAAKI MIYANAGA·Filed 2007·Granted Aug 5, 2014·0 cites·7 claims
- 4346US5735650ADrill bit for drilling an undercut holeMIYANAGA KK·Filed 1996·Granted Apr 7, 1998·13 cites·3 claims
- 4446US5199508ARotary hammer drillMIYANAGA KK·Filed 1991·Granted Apr 6, 1993·11 cites·2 claims
- 4546US2009139772A1Diametrically expanded groove cutting apparatus and expandable mechanismMIYANAGA KK·Filed 2006·Application pending·0 cites
- 4645US7540341B2Drill bitMIYANAGA KK·Filed 2002·Granted Jun 2, 2009·1 cites·2 claims
- 4745US5810523AApparatus for drilling a hole having an undercut spaceMIYANAGA KK·Filed 1997·Granted Sep 22, 1998·12 cites·3 claims
- 4844US7341120B2Blade edge structure for core drillMIYANAGA KK·Filed 2003·Granted Mar 11, 2008·0 cites·5 claims
- 4944US2008279646A1Core CutterMIYANAGA KK·Filed 2005·Application pending·0 cites
- 5043US2018056400A1Method of Drilling Hole and Coolant Used In Hole Drilling WorkKK MIYANAGA·Filed 2017·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →