Inventor · disambiguated record
Eric Nakayama
Also filed as: NAKAYAMA ERIC · NAKAYAMA ERIC S
28 granted patents·4 pending applications·579 citations·filing 2006–2025
97Inventor score
Top patents by PatentIndex Score
32 records- 0198US7762018B1Modular gunstockMAGPUL IND CORP·Filed 2008·Granted Jul 27, 2010·137 cites·8 claims
- 0297US9921029B2ConnectorMAGPUL IND CORP·Filed 2016·Granted Mar 20, 2018·21 cites·19 claims
- 0395US11150041B2Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2020·Granted Oct 19, 2021·6 cites·20 claims
- 0495US9528784B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2015·Granted Dec 27, 2016·17 cites·24 claims
- 0593US11085718B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2020·Granted Aug 10, 2021·4 cites·19 claims
- 0693US7908780B2Ammunition magazineMAGPUL IND CORP·Filed 2007·Granted Mar 22, 2011·57 cites·21 claims
- 0792US11815331B2Back-up sights with compact aperture, centering sight post, and miniaturized windage detent mechanismMAGPUL IND CORP·Filed 2021·Granted Nov 14, 2023·5 cites·18 claims
- 0890US8261649B2Charging handle for automatic rifeFITZPATRICK RICHARD M·Filed 2007·Granted Sep 11, 2012·50 cites·5 claims
- 0989US10184741B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2016·Granted Jan 22, 2019·9 cites·33 claims
- 1088US8166692B2Self-leveling follower for an ammunition magazineFITZPATRICK RICHARD M·Filed 2010·Granted May 1, 2012·29 cites·18 claims
- 1188USD614721SAmmunition magazine for rifleMAGPUL IND CORP·Filed 2009·Granted Apr 27, 2010·39 cites·1 claims
- 1288US7621063B2Self-leveling follower for ammunition magazineMAGPUL IND CORP·Filed 2006·Granted Nov 24, 2009·41 cites·14 claims
- 1387US8061071B2Ammunition magazine with four ammunition stacksFITZPATRICK RICHARD M·Filed 2009·Granted Nov 22, 2011·39 cites·13 claims
- 1486US10161698B2Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2017·Granted Dec 25, 2018·8 cites·20 claims
- 1586USD779018SAdjustable buttstock for a firearmMAGPUL IND CORP·Filed 2016·Granted Feb 14, 2017·27 cites·1 claims
- 1686USD600771SLower receiver for a firearmMAGPUL IND CORP·Filed 2008·Granted Sep 22, 2009·33 cites·1 claims
- 1786US2025314456A1Back-up sights with compact aperture, centering sight post, and miniaturized windage detent mechanismMAGPUL IND CORP·Filed 2025·Application pending·0 cites
- 1883US10371482B2ConnectorMAGPUL IND CORP·Filed 2018·Granted Aug 6, 2019·8 cites·20 claims
- 1980US11680763B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2021·Granted Jun 20, 2023·1 cites·20 claims
- 2079US10677550B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2018·Granted Jun 9, 2020·4 cites·20 claims
- 2176USD781392SAdjustable buttstock for a firearmMAGPUL IND CORP·Filed 2016·Granted Mar 14, 2017·17 cites·1 claims
- 2275US2025027734A1Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2024·Application pending·0 cites
- 2373US10641565B2Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2018·Granted May 5, 2020·3 cites·20 claims
- 2472US12140396B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2023·Granted Nov 12, 2024·0 cites·19 claims
- 2571US8544704B2Threading device for a mesh style equipment vestFITZPATRICK RICHARD M·Filed 2006·Granted Oct 1, 2013·2 cites·12 claims
- 2668US12366429B2Back-up sights with compact aperture, centering sight post, and miniaturized windage detent mechanismMAGPUL IND CORP·Filed 2023·Granted Jul 22, 2025·0 cites·15 claims
- 2766USD596693STrigger guard for a firearmMAGPUL IND CORP·Filed 2008·Granted Jul 21, 2009·14 cites·1 claims
- 2864US11761721B2Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
- 2963US9237775B2Self-aligning ratcheting claspBARFOOT GRADY·Filed 2012·Granted Jan 19, 2016·2 cites·12 claims
- 3049USD726530SDual drive screw headMAGPUL IND CORP·Filed 2013·Granted Apr 14, 2015·6 cites·1 claims
- 3145US2010218671A1Adjustable and Suppressible Gas Operating System for an Automatic FirearmMAGPUL IND CORP·Filed 2009·Application pending·0 cites
- 3244US2015345882A1Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →