Louisiana — Patent Inventors 2020

Louisiana ranks #40 among US states for total patents filed in 2020, with 1,068 patents from 786 inventors across 116 cities. On a per-capita basis that is 0.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Louisiana 2020

Rank ↑	City ↕	Patents ↕	Inventors ↕
#1	Baton Rouge, LA	187	132
#2	New Orleans, LA	103	78
#3	Lafayette, LA	87	73
#4	Shreveport, LA	78	60
#5	Metairie, LA	44	27
#6	Youngsville, LA	33	20
#7	Houma, LA	33	23
#8	Slidell, LA	32	23
#9	Mandeville, LA	25	18
#10	New Iberia, LA	24	16
#11	Bossier City, LA	24	18
#12	Lake Charles, LA	23	16
#13	Calhoun, LA	21	4
#14	Covington, LA	20	16
#15	Thibodaux, LA	16	10
#16	Monroe, LA	16	9
#17	Gonzales, LA	15	6
#18	Kenner, LA	14	14
#19	Broussard, LA	11	11
#20	Carencro, LA	10	8
#21	Breaux Bridge, LA	10	8
#22	Opelousas, LA	9	6
#23	Harahan, LA	8	6
#24	Waggaman, LA	8	8
#25	Ruston, LA	7	7

Top Inventors in Louisiana 2020

Rank ↑	Inventor ↕	City ↕	Company ↕	Patents ↕
1	Michael L. Elford	Calhoun	—	12
2	Matthew S. Kelly	Baton Rouge	IBM	8
3	Michael P. Winterrowd	Calhoun	—	7
3	Don R. LaBonte	Baton Rouge	Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College	7
#5	Jonathan M. Morris	Baton Rouge	Concealfab	6
#5	Leigang Xue	Metairie	Nanostar	6
#5	Bryant G. Ragan	Metairie	Laitram, L.L.C.	6
#5	Logan Smith	Youngsville	Frank'S International	6
#5	Valmond Joseph St Amant, III	Gonzales	Mayeaux Holding	6
#10	Nathan E Moore	Slidell	The Procter & Gamble	5
#10	Gary R. Marchand	Gonzales	Dow Global Technologies	5
#10	Meysam Shahami	New Orleans	Nanostar	5
#10	John Fielding	Baton Rouge	—	5
#10	Donghui Zhang	Baton Rouge	Hefei Xinsheng Optoelectronics Technology Co.	5
#10	Dustin Young	New Orleans	Virtual Fluid Monitoring Services	5
#10	Alexander L. Girau	Metairie	Nanostar	5
#10	William R. Walker	Monroe	—	5
#10	Shiva Adireddy	New Orleans	Nanostar	5
#10	Trent Zimmer	Youngsville	—	5
#20	Bryan E. Dugas	Napoleonville	John Deere	4
#20	James John Kleinedler	Shreveport	—	4
#20	Christopher Mark Montgomery	Mandeville	Slice Engineering	4
#20	Michael James	Maringouin	Rxsafe	4
#20	Christopher KEVIL	Shreveport	Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College	4
#20	Robert Edward Lee	Millards	Plant Development Services	4

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