Inventor · disambiguated record
Brian L. Nakayama
Also filed as: NAKAYAMA BRIAN · NAKAYAMA BRIAN L
124 granted patents·5 pending applications·2,817 citations·filing 2006–2025
99Inventor score
Files withMAGPUL IND CORP108FITZPATRICK RICHARD7FITZPATRICK RICHARD M6MAYBERRY MICHAEL T3BENNETT BRAD2
Top patents by PatentIndex Score
129 records- 0199US11680771B2Foldable firearmMAGPUL IND CORP·Filed 2022·Granted Jun 20, 2023·13 cites·19 claims
- 0299US9239210B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2015·Granted Jan 19, 2016·51 cites·20 claims
- 0399US7798045B1Charging handle with forward assist functionMAGPUL IND CORP·Filed 2008·Granted Sep 21, 2010·150 cites·12 claims
- 0498US12000671B2Foldable firearmMAGPUL IND CORP·Filed 2023·Granted Jun 4, 2024·8 cites·24 claims
- 0598US11536535B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2021·Granted Dec 27, 2022·8 cites·20 claims
- 0698US10900741B2Foldable firearmMAGPUL IND CORP·Filed 2020·Granted Jan 26, 2021·9 cites·20 claims
- 0798US9523554B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2015·Granted Dec 20, 2016·24 cites·27 claims
- 0898US9488435B1Stock assemblyMAGPUL IND CORP·Filed 2015·Granted Nov 8, 2016·40 cites·21 claims
- 0998US9222739B1Follower and methods for weapons magazineMAGPUL IND CORP·Filed 2015·Granted Dec 29, 2015·20 cites·17 claims
- 1098US7762018B1Modular gunstockMAGPUL IND CORP·Filed 2008·Granted Jul 27, 2010·137 cites·8 claims
- 1198US7574823B2Quick change barrel system for a firearmMAGPUL IND CORP·Filed 2008·Granted Aug 18, 2009·69 cites·6 claims
- 1297US11262159B2Foldable firearmMAGPUL IND CORP·Filed 2020·Granted Mar 1, 2022·7 cites·21 claims
- 1397US9921029B2ConnectorMAGPUL IND CORP·Filed 2016·Granted Mar 20, 2018·21 cites·19 claims
- 1497US9429388B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2016·Granted Aug 30, 2016·26 cites·20 claims
- 1597US8069601B1Ammunition magazineFITZPATRICK RICHARD M·Filed 2009·Granted Dec 6, 2011·72 cites·22 claims
- 1697USD606614SAutomatic rifleMAGPUL IND CORP·Filed 2008·Granted Dec 22, 2009·80 cites·1 claims
- 1797USD590473SFirearm upper receiver with rail hand guardMAGPUL IND CORP·Filed 2008·Granted Apr 14, 2009·82 cites·1 claims
- 1896USRE49104EAmmunition magazineMAGPUL IND CORP·Filed 2020·Granted Jun 14, 2022·7 cites·18 claims
- 1996US10443971B2Foldable firearmMAGPUL IND CORP·Filed 2018·Granted Oct 15, 2019·14 cites·14 claims
- 2096US9488434B2Stock-firearm interfaceMAGPUL IND CORP·Filed 2015·Granted Nov 8, 2016·22 cites·24 claims
- 2196US8635796B2Ammunition magazineFITZPATRICK RICHARD M·Filed 2011·Granted Jan 28, 2014·40 cites·80 claims
- 2295US11150041B2Compact anti-tilt follower for an ammunition magazineMAGPUL IND CORP·Filed 2020·Granted Oct 19, 2021·6 cites·20 claims
- 2395US9528784B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2015·Granted Dec 27, 2016·17 cites·24 claims
- 2494US8991086B2Ammunition magazineMAGPUL IND CORP·Filed 2014·Granted Mar 31, 2015·28 cites·20 claims
- 2594USD636834SFolding firearm stockMAGPUL IND CORP·Filed 2010·Granted Apr 26, 2011·48 cites·1 claims
- 2693US11085718B2Drum magazine assembly and methodsMAGPUL IND CORP·Filed 2020·Granted Aug 10, 2021·4 cites·19 claims
- 2793US10612887B1Foldable firearmMAGPUL IND CORP·Filed 2019·Granted Apr 7, 2020·10 cites·16 claims
- 2893US9239209B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2014·Granted Jan 19, 2016·46 cites·19 claims
- 2992US12066272B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2022·Granted Aug 20, 2024·2 cites·18 claims
- 3092US10166658B2Multi-purpose wrench for servicing a firearmMAGPUL IND CORP·Filed 2015·Granted Jan 1, 2019·9 cites·16 claims
- 3192US9746264B2Ammunition magazineMAGPUL IND CORP·Filed 2015·Granted Aug 29, 2017·14 cites·17 claims
- 3292US9739565B2Folding stockMAGPUL IND CORP·Filed 2016·Granted Aug 22, 2017·14 cites·18 claims
- 3392US9228795B1Stock for a firearmMAGPUL IND CORP·Filed 2014·Granted Jan 5, 2016·41 cites·17 claims
- 3492USD620545SCasing for an ammunition magazine for a rifleMAGPUL IND CORP·Filed 2009·Granted Jul 27, 2010·53 cites·1 claims
- 3591USD757884SFirearm magazineMAGPUL IND CORP·Filed 2014·Granted May 31, 2016·43 cites·1 claims
- 3691US9222749B1Cover kit for a firearm handguardMAGPUL IND CORP·Filed 2014·Granted Dec 29, 2015·31 cites·23 claims
- 3791USD681151SFirearm magazine with windowFITZPATRICK RICHARD·Filed 2012·Granted Apr 30, 2013·46 cites·1 claims
- 3891USD680613SBottom plate for a firearm magazineFITZPATRICK RICHARD·Filed 2012·Granted Apr 23, 2013·48 cites·1 claims
- 3991USD636833SFixed firearm stockMAGPUL IND CORP·Filed 2010·Granted Apr 26, 2011·47 cites·1 claims
- 4091USD604793SAutomatic rifleMAGPUL IND CORP·Filed 2008·Granted Nov 24, 2009·47 cites·1 claims
- 4191USD603012SLower grip housing for a firearm using an AK-47 magazineMAGPUL IND CORP·Filed 2008·Granted Oct 27, 2009·46 cites·1 claims
- 4291USD603013SFirearm stockMAGPUL IND CORP·Filed 2008·Granted Oct 27, 2009·63 cites·1 claims
- 4390US9976832B2Firearm accessory mounting interfaceMAGPUL IND CORP·Filed 2016·Granted May 22, 2018·10 cites·20 claims
- 4490USD810223SMagazine for a firearmMAGPUL IND CORP·Filed 2015·Granted Feb 13, 2018·35 cites·1 claims
- 4590US9612069B2Follower and methods for weapons magazineMAGPUL IND CORP·Filed 2016·Granted Apr 4, 2017·3 cites·15 claims
- 4690US9470464B2Self-leveling follower and magazineMAGPUL IND CORP·Filed 2015·Granted Oct 18, 2016·15 cites·23 claims
- 4790US9429378B2Follower and methods for weapons magazineMAGPUL IND CORP·Filed 2015·Granted Aug 30, 2016·3 cites·19 claims
- 4890US8539871B1Self-engaging non-reciprocating charging handleMAGPUL IND CORP·Filed 2012·Granted Sep 24, 2013·29 cites·4 claims
- 4990US8261649B2Charging handle for automatic rifeFITZPATRICK RICHARD M·Filed 2007·Granted Sep 11, 2012·50 cites·5 claims
- 5089US10551143B2Stock-firearm interfaceMAGPUL IND CORP·Filed 2016·Granted Feb 4, 2020·11 cites·19 claims
Showing the top 50 of 129 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →