EN

Eric Nakayama

MI Magpul Industries: 28 patents #14 of 70Top 20%
📍 Broomfield, CO: #36 of 1,198 inventorsTop 4%
🗺 Colorado: #1,171 of 40,980 inventorsTop 3%
Overall (All Time): #135,392 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12366429 Back-up sights with compact aperture, centering sight post, and miniaturized windage detent mechanism Zachary Freeman, Timothy Eric Roberts 2025-07-22
12140396 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2024-11-12
11815331 Back-up sights with compact aperture, centering sight post, and miniaturized windage detent mechanism Zachary Freeman, Timothy Eric Roberts 2023-11-14
11761721 Compact anti-tilt follower for an ammunition magazine Brian L. Nakayama, Nicholas Kielsmeier, Eric C. Burt 2023-09-19
11680763 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2023-06-20
11150041 Compact anti-tilt follower for an ammunition magazine Brian L. Nakayama, Nicholas Kielsmeier, Eric C. Burt 2021-10-19
11085718 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2021-08-10
10677550 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2020-06-09
10641565 Compact anti-tilt follower for an ammunition magazine Brian L. Nakayama, Nicholas Kielsmeier, Eric C. Burt 2020-05-05
10371482 Connector Timothy Eric Roberts, Michael T. Mayberry, William Bradley Bennett, Duane Liptak, Brian L. Nakayama 2019-08-06
10184741 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2019-01-22
10161698 Compact anti-tilt follower for an ammunition magazine Brian L. Nakayama, Nicholas Kielsmeier, Eric C. Burt 2018-12-25
9921029 Connector Timothy Eric Roberts, Michael T. Mayberry, William Bradley Bennett, Duane Liptak, Brian L. Nakayama 2018-03-20
D781392 Adjustable buttstock for a firearm Richard A. Zayatz, Yehezkel Eitan, Jonathan Canipe 2017-03-14
D779018 Adjustable buttstock for a firearm Richard A. Zayatz, Yehezkel Eitan, Jonathan Canipe 2017-02-14
9528784 Drum magazine assembly and methods Timothy Eric Roberts, Michael T. Mayberry, Brian L. Nakayama, Richard M. Fitzpatrick, William Bradley Bennett 2016-12-27
9237775 Self-aligning ratcheting clasp Grady Barfoot, Michael T. Mayberry, Richard Fitzpatrick, Brian L. Nakayama 2016-01-19
D726530 Dual drive screw head Michael T. Mayberry, Richard Fitzpatrick, Grady Barfoot 2015-04-14
8544704 Threading device for a mesh style equipment vest Richard M. Fitzpatrick, Michael T. Mayberry, Brian L. Nakayama 2013-10-01
8261649 Charging handle for automatic rife Richard M. Fitzpatrick, Brian L. Nakayama 2012-09-11
8166692 Self-leveling follower for an ammunition magazine Richard M. Fitzpatrick, Michael T. Mayberry, Brian L. Nakayama 2012-05-01
8061071 Ammunition magazine with four ammunition stacks Richard M. Fitzpatrick, Michael T. Mayberry, Michael D. Morgan, Eric C. Burt 2011-11-22
7908780 Ammunition magazine Richard M. Fitzpatrick, Michael T. Mayberry 2011-03-22
7762018 Modular gunstock Richard M. Fitzpatrick, Michael T. Mayberry, Brian L. Nakayama 2010-07-27
D614721 Ammunition magazine for rifle Richard M. Fitzpatrick, Michael T. Mayberry, Nick Booras, Brian L. Nakayama, Justin R. Juarez 2010-04-27