Railways Patent Leaders 2018 | Patent Leaderboard

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	Jared Klineman Cooper	8	GE
2	Ajith Kuttannair Kumar	6	GE
3	Eugene Smith	6	GE
#4	Shunichi Nakao	6	Kawasaki
#5	Kousuke Katahira	5	Mitsubishi Electric
#6	Sansan Ding	5	Crrc Qingdao Sifang Co.
#7	So TAMURA	5	Mitsubishi Electric
#8	Aiqin TIAN	4	Crrc Qingdao Sifang Co.
#9	David Michael Peltz	4	GE
#10	Hiroyuki Kono	4	Mitsubishi Electric
#11	James David Seaton	4	Electro-Motive Diesel
#12	Jonathan Sunde	4	Strato
#13	Daniel Ballesty	3	GE
#14	Daniel A. Deninger	3	Smartdrive Systems
#15	David Matthew Roenspies	3	Progress Rail Locomotive
#16	Glenn Robert Shaffer	3	GE
#17	Harry Kirk Mathews, Jr.	3	GE
#18	Hiroyuki Hirata	3	Nippon Steel
#19	James D. Brooks	3	GE
#20	Jason Palmer	3	Smartdrive Systems
#21	Jeffrey James Kisak	3	GE
#22	Jianying LIANG	3	Crrc Qingdao Sifang Co.
#23	Kazuo Isomura	3	Kawasaki
#24	Mark Freitas	3	Smartdrive Systems
#25	Mark Bradshaw Kraeling	3	GE
#26	Manuel Kroiss	3	Siemens Mobility Gmbh
#27	Masahiro Sakahira	3	Kawasaki
#28	Martin Teichmann	3	Siemens Ag Österreich
#29	Mitsuaki Hoshi	3	Mitsubishi Electric
#30	Nick David Nagrodsky	3	GE
#31	Peter M. Bartek	3	—
#32	Scott Daniel Nelson	3	GE
#33	Shahriar Ravari	3	Smartdrive Systems
#34	Slaven Sljivar	3	Smartdrive Systems
#35	Stephan Drexler	3	Siemens Aktiengesellschaft
#36	Takehiro Nishimura	3	Kawasaki
#37	Toshiyuki Hirashima	3	Kawasaki
#38	Tsutomu Suzuki	3	Brother Kogyo
#39	Akihisa Kawauchi	2	Mitsubishi Electric
#40	Allan Draheim	2	Trackmobile
#41	Alexander Shubs, Jr.	2	Electro-Motive Diesel
#42	Anwarul Azam	2	GE
#43	Anju Bind	2	GE
#44	Andrew H. Martin	2	Amsted Rail Company
#45	Benjamin Arthur Raeder	2	Progress Rail Locomotive
#46	Brad Thomas Costa	2	GE
#47	Brian William Schroeck	2	GE
#48	Brian A. Senn	2	Powerbrace
#49	Bret Dwayne Worden	2	GE
#50	Christian Kueter	2	Siemens Ag Österreich
#51	Christophe Pailler	2	Alstom Transport Technologies
#52	Christian Winkelmann	2	Audi Ag
#53	Dale Martin DiDomenico	2	GE
#54	David Kreuzweger	2	Siemens Ag Österreich
#55	Dattaraj Jagdish Rao	2	GE
#56	David Thomas Turner	2	Drax Power Limited
#57	Derong Zhang	2	Crrc Qiqihar Rolling Stock Co.
#58	Eric S. Cylvick	2	Zipholdings
#59	Eric C. Wright	2	—
#60	Frank Wegner Donnelly	2	Icr Turbine Engine
#61	Fred Taylor	2	Gulfstream Aerospace
#62	Fujun Kou	2	Crrc Qingdao Sifang Co.
#63	Glenn A. Sandheinrich	2	American Railcar Industries
#64	Hannes Peer	2	Siemens Mobility Gmbh
#65	Hitoshi Nagahara	2	Kawasaki
#66	Hiroyuki Sakurai	2	Kawasaki
#67	Hui Liu	2	Crrc Qingdao Sifang Rolling Stock Research Institute Co.
#68	James Glen Corry	2	GE
#69	James L. Fenske	2	—
#70	Jeffrey D. Aiken	2	Oshkosh
#71	Jerry Duncan	2	John Deere
#72	Jeffrey D. Kernwein	2	—
#73	Joseph Forrest Noffsinger	2	GE
#74	Jun Shirasaki	2	Kawasaki
#75	Kai Chen	2	Seagate Technology
#76	Katsuaki Morita	2	Mitsubishi Electric
#77	Keiichiro Kamura	2	Kawasaki
#78	Koki Yoshimoto	2	Mitsubishi Electric
#79	Kristofer M. Ruhland	2	—
#80	Lijun Ma	2	Crrc Qingdao Sifang Co.
#81	Matthew Lawrence Blair	2	GE
#82	Masaya Mitake	2	Mitsubishi Electric
#83	Michael S. Davis	2	—
#84	Michael Scott Miner	2	GE
#85	Naoki Hikosaka	2	Kawasaki
#86	Naoaki Kawakami	2	Kawasaki
#87	Naohiro Yoshida	2	Toyota
#88	Nidhi Naithani	2	GE
#89	Nikhil Uday Naphade	2	GE
#90	Olaf Koerner	2	Siemens Mobility Gmbh
#91	Ralph Gaertner	2	Siemens Aktiengesellschaft
#92	Richard Peter Gibney	2	Drax Power Limited
#93	Robert James Foy	2	GE
#94	Robert C. Kull	2	Westinghouse Air Brake
#95	Ryosuke Ashida	2	Kawasaki
#96	Sameer Singh	2	Google
#97	Scott Alan Schoenly	2	Transportation Ip Holdings
#98	Seneca Snyder	2	Alstom Transport Technologies
#99	Shannon Joseph Clouse	2	GE
#100	Shifeng Xu	2	Hefei Xinsheng Optoelectronics Technology Co.

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	26
2	Siemens Aktiengesellschaft	22
3	Kawasaki	20
#4	Westinghouse Air Brake	20
#5	Alstom Transport Technologies	12
#6	Mitsubishi Electric	11
#7	Progress Rail Locomotive	7
#8	Amsted Rail Company	6
#9	Crrc Qingdao Sifang Co.	6
#10	Siemens Industry	6
#11	Bombardier Transportation Gmbh	4
#12	Daifuku Co.	4
#13	Kabushiki Kaisha Toshiba	4
#14	Kyb	4
#15	Siemens Ag Österreich	4
#16	American Railcar Industries	3
#17	Harsco	3
#18	Knorr-Bremse Ag	3
#19	Leitner S.P.A.	3
#20	Mitsubishi Heavy Industries Engineering	3
#21	Nabtesco	3
#22	Smartdrive Systems	3
#23	Aktiebolaget Skf	2
#24	Crrc Qingdao Sifang Rolling Stock Research Institute Co.	2
#25	Crrc Qiqihar Rolling Stock Co.	2
#26	Crrc Yangtze Group Co.	2
#27	Drax Power Limited	2
#28	Electro-Motive Diesel	2
#29	Innova Patent Gmbh	2
#30	Jac Operations	2
#31	Knorr-Bremse Systeme Für Schienenfahrzeuge Gmbh	2
#32	Miner Enterprises	2
#33	Powerbrace	2
#34	Progress Rail Services	2
#35	Strato	2
#36	Trackmobile	2
#37	Zipholdings	2
#38	Bedloe Industries	1
#39	Bnsf Logistics	1
#40	Bnsf Railway	1
#41	Canadian National Railway	1
#42	Carnegie Mellon University	1
#43	Dellner Couplers Ab	1
#44	Intellectual Ventures	1
#45	Ensco	1
#46	Faiveley Transport Amiens	1
#47	Faiveley Transport Italia S.P.A.	1
#48	Ferag Ag	1
#49	Genscape Intangible Holding	1
#50	Georgetown Rail Equipment	1
#51	Grammer Ag	1
#52	Gunderson	1
#53	Hübner Gmbh & Co. Kg	1
#54	Hitachi	1
#55	Hitachi Industrial Equipment Systems Co.	1
#56	Holland	1
#57	Hutchinson	1
#58	Hyperloop Technologies	1
#59	Hyundai Motor	1
#60	International Electronic Machines	1
#61	International Safety Components Limited	1
#62	J.W. Speaker	1
#63	Kasgro Rail	1
#64	KAIST	1
#65	Korea Railroad Research Institute	1
#66	Laird Technologies	1
#67	Landscape Structures	1
#68	L.B. Foster Rail Technologies	1
#69	Lecip Holdings	1
#70	Liebherr-Aerospace Lindenberg Gmbh	1
#71	Macton	1
#72	Mcconway & Torley	1
#73	Meteorcomm	1
#74	Mi-Jack Products	1
#75	Mitsubishi Electric	1
#76	National Railroad Passenger	1
#77	National Steel Car Limited	1
#78	Nevis Industries	1
#79	Nippon Steel & Sumitomo Metal	1
#80	Nordco	1
#81	Nowe Gmbh	1
#82	Overhead Door	1
#83	Panasec	1
#84	Pennsy	1
#85	Poma	1
#86	Ride	1
#87	Robert Bosch Gmbh	1
#88	Ropes Courses	1
#89	Rutgers, The State University Of New Jersey	1
#90	Sluis Cigar Machinery B.V.	1
#91	Stc	1
#92	Sumitomo Electric Industries	1
#93	Sumitomo Riko Company Limited	1
#94	Tech Services Group	1
#95	Thales Canada	1
#96	Thales Deutschland Gmbh	1
#97	The Boeing	1
#98	University of California	1
#99	Trapeze Software Ulc	1
#100	Union Tank Car	1

Railways Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies