Signaling and traffic control Patent Leaders

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Stephen Scott Trundle	85	Alarm.Com Incorporated
2	Alison Jane Slavin	81	Alarm.Com Incorporated
3	Jeffrey A. Grant	70	Invue Security Products
#4	Jean-Paul Martin	70	Alarm.Com Incorporated
#5	David James Hutz	68	Alarm.Com Incorporated
#6	Paul D. Arling	67	Comcast
#7	Christopher J. Fawcett	63	Invue Security Products
#8	Gregory Hayward	62	State Farm
#9	Patrick H. Hayes	62	Comcast
#10	James Siminoff	61	Amazon
#11	Juan Manuel Cruz-Hernandez	56	—
#12	Jeremy B. Warren	53	Vivint
#13	Leon Stenneth	52	Here Global B.V.
#14	Adam S. Bergman	48	Sensormatic Electronics
#15	Gary A. Taylor	48	Invue Security Products
#16	David S. Breed	46	Automotive Technologies International
#17	James Fowe	44	Here Global B.V.
#18	Lowell L. Wood, JR.	44	The Invention Science Fund I
#19	Roderick A. Hyde	44	Intellectual Ventures
#20	Sarbajit K. Rakshit	43	IBM
#21	Ulrich Stählin	43	Continental Teves Ag & Co. Ohg
#22	Jonathon D. Phillips	42	Invue Security Products
#23	Kentaro Oguchi	42	Toyota
#24	James E. Nye	40	Vivint
#25	Christopher P. Ricci	39	Autoconnect Holdings
#26	Lawrence Kates	39	Google
#27	Lee Priest	39	Etak Systems
#28	Clifford A. Pickover	37	IBM
#29	Dennis D. Belden, Jr.	37	Checkpoint Systems
#30	Martin A. Renkis	37	Smartvue
#31	Steven L. Geerlings	37	Gentex
#32	Daniel Ralph Parent	36	Oneevent Technologies
#33	Julien G. Stamatakis	36	Senseware
#34	Kurt Joseph Wedig	36	Oneevent Technologies
#35	Lee D. Tice	36	Pittway
#36	Todd R. Witkowski	36	Gentex
#37	Vincent Levesque	36	Immersion
#38	Yash Modi	36	Google
#39	Joseph Frank Scalisi	35	Skybell Technologies
#40	Michael Lamb	35	Ecolink Intelligent Technology
#41	Stefan Nordbruch	35	Robert Bosch Gmbh
#42	Chia-Teh Chen	34	Vaxcel International Co.
#43	François Coulmeau	34	—
#44	Gur Kimchi	34	Amazon
#45	James R. Kozloski	34	IBM
#46	Jamal Saboune	33	Immersion
#47	Bin Ran	32	Cavh
#48	Jordin T. Kare	32	Intellectual Ventures
#49	Michael Barson	32	Honeywell
#50	Yoky Matsuoka	32	Google
#51	Anthony M. Fadell	31	Google
#52	David N. Berglund	31	Invue Security Products
#53	Douglas H. Marman	31	GE
#54	George Seelman	31	Ecolink Intelligent Technology
#55	Roger J. Leyden	31	Se-Kure Controls
#56	Xiao Hui Yang	31	Wg Security Products
#57	Clarence T. Tegreene	30	Intellectual Ventures
#58	Hubert A. Patterson	30	Sensormatic Electronics
#59	Kenneth E. Flick	30	Omega Patents, L.L.C.
#60	Sean O'Sullivan	30	Carma Technology
#61	Bruce Bernhardt	29	Here Global B.V.
#62	Jeffrey Kohanek	29	Comcast
#63	Yang Cheng	29	Cavh
#64	Andre Gueziec	28	Pelmorex Canada
#65	Danny A. Grant	28	Immersion
#66	Daniel Todd Kerzner	28	Alarm.Com Incorporated
#67	Gang He	28	Honeywell
#68	Jerome H. Lemelson	28	—
#69	Kenneth L. Addy	28	Honeywell
#70	Mark Rajan Malhotra	28	Google
#71	Nicolas Marty	28	Thales
#72	Bernard J. Michini	27	Skydio
#73	Camille Moussette	27	Apple
#74	David William Kleinbeck	27	Digital Global Systems
#75	Howard Hayes	27	Allstate Insurance
#76	James Pratt	27	AT&T
#77	Jerome Beaurepaire	27	Here Global B.V.
#78	Joseph Lee Haughawout	27	Comcast
#79	Joseph Piccolo, III	27	Tyco Fire & Security Gmbh
#80	Manuel A. Soto	27	Sensormatic Electronics
#81	Michael J. Birnkrant	27	Carrier
#82	Ming-Ren Lian	27	Sensormatic Electronics
#83	Richard L. Copeland	27	Sensormatic Electronics
#84	Rick A. Hamilton, II	27	IBM
#85	Ronald M. Marsilio	27	Invue Security Products
#86	Vahid Khoshkava	27	Immersion
#87	Brian Barnett	26	Comcast
#88	Matthew J. Eyring	26	Vivint
#89	Ratan Khatwa	26	Honeywell
#90	Robert W. Right	26	Federal Signal
#91	Donald Gerard Madden	25	Alarm.Com Incorporated
#92	Kevin J Conner	25	Honeywell
#93	Kenneth Eskildsen	25	Honeywell
#94	Louis J. Bailey	25	The Boeing
#95	Raghu Shamasundar	25	Honeywell
#96	Shen Li	25	Cavh
#97	Tetsuo Kimura	25	Nitta
#98	Tianyi Chen	25	Cavh
#99	Benjamin H. Wolf	24	Honeywell
#100	David Sloo	24	Google

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Honeywell	1,225
2	IBM	842
3	Toyota	842
#4	Google	465
#5	Unknown	462
#6	The Boeing	452
#7	Robert Bosch Gmbh	401
#8	Nec	392
#9	Sensormatic Electronics	369
#10	Sony	363
#11	AT&T	358
#12	Comcast	335
#13	Samsung	330
#14	Ford	324
#15	Motorola	319
#16	Panasonic	319
#17	Honda Motor Co.	302
#18	Denso	298
#19	General Motors	298
#20	Intel	295
#21	Alarm.Com Incorporated	256
#22	Here Global B.V.	239
#23	GE	236
#24	Amazon	218
#25	Mitsubishi Electric	209
#26	Apple	199
#27	Sumitomo Electric Industries	190
#28	Tyco Fire & Security Gmbh	182
#29	Rockwell Collins	174
#30	Hyundai Motor	171
#31	State Farm	167
#32	Qualcomm	160
#33	Carrier	157
#34	LG	156
#35	Thales	152
#36	Siemens Aktiengesellschaft	151
#37	Hitachi	146
#38	Invue Security Products	144
#39	Verizon	142
#40	Immersion	141
#41	Hochiki	128
#42	3M	126
#43	Airbus Operations Sas	114
#44	Vivint	109
#45	Fujitsu Limited	108
#46	Nissan Motor Co.	107
#47	Checkpoint Systems	104
#48	Pittway	104
#49	US Air Force	96
#50	Aisin Aw Co.	90
#51	Kia Motors	88
#52	Kabushiki Kaisha Toshiba	87
#53	Microsoft	87
#54	Cerberus Ag	85
#55	Foxconn	84
#56	USAA	79
#57	KAIST	74
#58	Allstate Insurance	73
#59	Nohmi Bosai	72
#60	Gentex	71
#61	RTX (Raytheon)	71
#62	Koniniklijke Philips N.V.	69
#63	Volkswagen	68
#64	BMW	65
#65	Hill-Rom Services	65
#66	Ericsson	65
#67	Ecolink Intelligent Technology	64
#68	Philips	62
#69	Canon	62
#70	Continental Automotive Gmbh	61
#71	HP	61
#72	Huawei	60
#73	Lockheed Martin	60
#74	Audi Ag	57
#75	Sz Dji Technology Co.	56
#76	Subaru	55
#77	U.S. Philips	55
#78	Nitta	54
#79	Federal Signal	52
#80	Kyocera	51
#81	Tyco Safety Products Canada	50
#82	Pioneer	49
#83	Continental Teves Ag & Co. Ohg	48
#84	Nissan North America	48
#85	Siemens Schweiz Ag	47
#86	Intellectual Ventures	46
#87	Denso International America	45
#88	Detection Systems	45
#89	Echostar Technologies L.L.C.	45
#90	Lutron Technology Company	45
#91	Micron	45
#92	Aviation Communication & Surveillance Systems	44
#93	ITRI	42
#94	Siemens Industry	42
#95	Tencent	42
#96	Garmin	41
#97	Icontrol Networks	41
#98	Itron	41
#99	Optex Co.	41
#100	Simplexgrinnell Lp	41

Signaling and traffic control Patent Leaders All Time

Patents per Year

Top Inventors

Top Companies