Railways Patent Leaders 2017 | 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	Alexander Shubs, Jr.	10	Electro-Motive Diesel
2	James David Seaton	8	Electro-Motive Diesel
3	Jeffrey Michael Fries	8	Alstom Transport Technologies
#4	David Matthew Roenspies	7	Progress Rail Locomotive
#5	Takehiro Nishimura	7	Kawasaki
#6	Ajith Kuttannair Kumar	6	GE
#7	F. Andrew Nibouar	6	Bedloe Industries
#8	Shunichi Nakao	6	Kawasaki
#9	Jared Klineman Cooper	5	GE
#10	Joseph Forrest Noffsinger	5	GE
#11	Roshan N. Manibharathi	5	Nevis Industries
#12	Toshiyuki Hirashima	5	Kawasaki
#13	Erik L. Gotlund	4	Nevis Industries
#14	Jason C. Bryant	4	Nevis Industries
#15	James A. Pike	4	Nevis Industries
#16	Jon R. Jeambey	4	Nevis Industries
#17	Jonathan A. Stull	4	Nevis Industries
#18	Manuel Tavares	4	Pennsy
#19	Samuel William Golden	4	GE
#20	William A. Kurtzhals	4	Nevis Industries
#21	Yasufumi Okumura	4	Kawasaki
#22	Yong Gee Cho	4	Lsis Co.
#23	Arun Hampapur	3	IBM
#24	Aubra D. McKisic	3	Trinity Industrial
#25	Brogan Bambrogan	3	Hyperloop Technologies
#26	Dhaivat P. Parikh	3	IBM
#27	Erik Johnsen	3	Holland
#28	Erich A. Schoedl	3	Miner Enterprises
#29	Hongfei Li	3	IBM
#30	Isaac Suwa Traylor	3	Electro-Motive Diesel
#31	James D. Brooks	3	GE
#32	Joshua Giegel	3	Hyperloop Technologies
#33	Jongchul Jung	3	Lsis Co.
#34	Kenji Takao	3	Mitsubishi Electric
#35	Mark Bradshaw Kraeling	3	GE
#36	Michael J. Schmidt	3	Pennsy
#37	Noritaka Yanai	3	Mitsubishi Electric
#38	Peter Paul Gregar	3	—
#39	Qing He	3	IBM
#40	Scott Natschke	3	—
#41	Shirou Honma	3	Kawasaki
#42	Shaun T. Whalen	3	—
#43	Todd William Goodermuth	3	GE
#44	Toshihiko Niinomi	3	Mitsubishi Electric
#45	Wayne H. Murphy	3	Pennsy
#46	Yasuyuki Suzuki	3	Canon
#47	Yutaka Miyajima	3	Mitsubishi Electric
#48	Yuri Alexeyevich Plotnikov	3	GE
#49	Zachary Ryan Brook	3	Pennsy
#50	Aaron Stern	2	Pennsy
#51	Akira Komoto	2	Shimadzu
#52	Akihiro Niizeki	2	Kawasaki
#53	Alan Kathan	2	Unknown
#54	Alexander Stiles	2	Holland
#55	Alexander Trachtenherz	2	Siemens Aktiengesellschaft
#56	Anton Gaile	2	Liebherr-Aerospace Lindenberg Gmbh
#57	Aric Albert Weingartner	2	GE
#58	Barton DeJarnatt	2	Siemens Industry
#59	Brad Cross	2	Stc
#60	Brett Alexander Matthews	2	GE
#61	Brian Lee Staton	2	GE
#62	Bret Dwayne Worden	2	GE
#63	Cedric Zanutti	2	Bombardier Transportation Gmbh
#64	Chris Cobb	2	—
#65	Chihiro Okayama	2	Kawasaki
#66	Christian Plankensteiner	2	Siemens Ag Österreich
#67	Craig King	2	Microchip Technology Incorporated
#68	David Allen Eldredge	2	GE
#69	David D. Jackson, Jr.	2	Firestone Industrial Products Company
#70	Daniel Kathan	2	Unknown
#71	David Kreuzweger	2	Siemens Ag Österreich
#72	Darel Mesher	2	Tetra Tech
#73	Deirdre Alphenaar	2	Genscape Intangible Holding
#74	Debarun Bhattacharjya	2	IBM
#75	Dennis Melas	2	Electro-Motive Diesel
#76	Doug Morrison	2	—
#77	Donald E. Wilt	2	Miner Enterprises
#78	Eiichi Kato	2	Fujitsu Limited
#79	Eric P. Huelsmann	2	RTX (Raytheon)
#80	Erich Leonard	2	—
#81	Eugene Iwao Nishinaga	2	Cybertran International
#82	Frederick Wilson Wheeler	2	GE
#83	George S. Creighton	2	Trinity Industrial
#84	Gregory Boverman	2	GE
#85	Gregory K. Hann	2	GE
#86	Helen Durden	2	Hyperloop Technologies
#87	Hiroyuki Maeyama	2	Mitsubishi Electric
#88	Hitoshi Nagahara	2	Kawasaki
#89	Hiroki Tsunoda	2	Central Japan Railway Comany
#90	Hui Liu	2	Crrc Qingdao Sifang Rolling Stock Research Institute Co.
#91	Jason Fuchs	2	Genscape Intangible Holding
#92	Jae Ho Lee	2	Samsung
#93	Jason Reiling	2	Strato
#94	Jeremiah David Heaton	2	—
#95	Jeremy Thomas McGarry	2	GE
#96	Jeffrey Orion Pritchard	2	Intel
#97	Jerry R. Smerecky	2	Bedloe Industries
#98	Jonathan James Barlow	2	Drax Power Limited
#99	John M. Jackson	2	Chrysler Group
#100	Jonathan Sunde	2	Strato

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	26
2	Kawasaki	21
3	Siemens Aktiengesellschaft	21
#4	Electro-Motive Diesel	19
#5	Westinghouse Air Brake	13
#6	Alstom Transport Technologies	12
#7	Mitsubishi Electric	10
#8	Siemens Industry	6
#9	Amsted Rail Company	5
#10	Murata Machinery	5
#11	Nippon Signal Co.	5
#12	Holland	4
#13	Knorr-Bremse Systeme Für Schienenfahrzeuge Gmbh	4
#14	Lsis Co.	4
#15	Nabtesco	4
#16	Nevis Industries	4
#17	Pennsy	4
#18	Siemens Ag Österreich	4
#19	Aktiebolaget Skf	3
#20	Crrc Qingdao Sifang Co.	3
#21	Crrc Qingdao Sifang Rolling Stock Research Institute Co.	3
#22	Daifuku Co.	3
#23	Hyperloop Technologies	3
#24	Innova Patent Gmbh	3
#25	Korea Railroad Research Institute	3
#26	Miner Enterprises	3
#27	National Steel Car Limited	3
#28	Nippon Steel & Sumitomo Metal	3
#29	Robert Bosch Gmbh	3
#30	IBM	3
#31	American Railcar Industries	2
#32	Bedloe Industries	2
#33	Bombardier Transportation Gmbh	2
#34	Bright Energy Storage Technologies, Llp	2
#35	Central Japan Railway Comany	2
#36	Cybertran International	2
#37	Drax Power Limited	2
#38	Firestone Industrial Products Company	2
#39	Genscape Intangible Holding	2
#40	Kabushiki Kaisha Toshiba	2
#41	Mcconway & Torley	2
#42	Nippon Sharyo	2
#43	Ropfin B.V.	2
#44	Secure Communications Systems	2
#45	Sommital	2
#46	Stc	2
#47	Strato	2
#48	Tetra Tech	2
#49	The Boeing	2
#50	Trinity Industrial	2
#51	Union Tank Car	2
#52	Unknown	2
#53	RTX (Raytheon)	2
#54	Toyota	2
#55	Apple	1
#56	Aero Transportation Products	1
#57	Akebono Brake Industry Co.	1
#58	Amsted Rail-Faiveley	1
#59	Android Industries	1
#60	Ansaldobreda S.P.A.	1
#61	Ansaldo Sts Usa	1
#62	A. Stucki	1
#63	Beijing Jiaotong University	1
#64	University Of Nebraska	1
#65	Calbrandt	1
#66	Clean Train Propulsion	1
#67	Crrc Qiqihar Rolling Stock Co.	1
#68	Crrc Tangshan Co.	1
#69	Crrc Yangtze Group Co.	1
#70	Faiveley Transport Amiens	1
#71	Gunderson	1
#72	Hanmi It Co.	1
#73	Hegenscheidt-Mfd Gmbh & Co. Kg	1
#74	Herzog Contracting	1
#75	Hillmar Industries Limited	1
#76	Hitachi	1
#77	Hyundai Motor	1
#78	International Electronic Machines	1
#79	Jac Operations	1
#80	Jiangsu University	1
#81	Knorr-Bremse Gesellschaft Mit Beschränkter Haftung	1
#82	Kyb	1
#83	Kyocera Document Solutions	1
#84	L.B. Foster Rail Technologies	1
#85	Leoni Kabel Gmbh	1
#86	Lite-On Technology	1
#87	Lohr Industrie	1
#88	Meteorcomm	1
#89	Metrom Rail	1
#90	Mitsubishi Electric	1
#91	National Railroad Passenger	1
#92	Navitime Japan Co.	1
#93	Nowe Gmbh	1
#94	Optasense Holdings Limited	1
#95	Patentes Talgo, S.L.	1
#96	Poma	1
#97	Powerbrace	1
#98	Preformed Line Products	1
#99	Progress Rail Locomotive	1
#100	Progress Rail Services	1

Railways Patent Leaders in 2017 2017

Patents per Year

Top Inventors

Top Companies