Railways Patent Leaders 2020 | 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	Fumikazu Kounoike	9	Kawasaki
2	Kenneth W. Huck	9	Trinity North American Freight Car
3	Takehiro Nishimura	9	Kawasaki
#4	Yukitaka Taga	9	Kawasaki
#5	Yoshi Sato	7	Kawasaki
#6	Jared Klineman Cooper	6	GE
#7	Keiichiro Kamura	6	Kawasaki
#8	Yousuke Tsumura	6	Kawasaki
#9	Darel Mesher	5	Tetra Tech
#10	F. Andrew Nibouar	5	Bedloe Industries
#11	Roshan N. Manibharathi	5	Nevis Industries
#12	Takaya Ono	5	Kawasaki
#13	Yuta Yoshimatsu	5	Kawasaki
#14	Erik L. Gotlund	4	Nevis Industries
#15	Francois Olivier UCHIDA	4	Kawasaki
#16	James D. Brooks	4	GE
#17	Jason C. Bryant	4	Nevis Industries
#18	James A. Pike	4	Nevis Industries
#19	Jon R. Jeambey	4	Nevis Industries
#20	Jonathan A. Stull	4	Nevis Industries
#21	Koichi Murata	4	Kawasaki
#22	Radovan Seifried	4	Siemens Mobility Austria Gmbh
#23	Shinichiro Hata	4	Kawasaki
#24	William A. Kurtzhals	4	Nevis Industries
#25	Ajith Kuttannair Kumar	3	GE
#26	Alexander Shubs, Jr.	3	Electro-Motive Diesel
#27	Carlos Del Pozo	3	Siemens Mobility Gmbh
#28	Chris Burgess	3	Railserve
#29	Chunhai Gao	3	Traffic Control Technology Co.
#30	Christopher C. Harkey	3	Trinity North American Freight Car
#31	David Michael Peltz	3	GE
#32	David Matthew Roenspies	3	Progress Rail Locomotive
#33	Harry Kirk Mathews, Jr.	3	GE
#34	Ikuo Sakurai	3	Shin-Etsu Chemical Co.
#35	James David Seaton	3	Electro-Motive Diesel
#36	Jeff Chastine	3	Railserve
#37	Jeffrey Michael Fries	3	Alstom Transport Technologies
#38	Jerry W. Vande Sande	3	Trinity North American Freight Car
#39	John Coseglia	3	Amsted Rail Company
#40	Jon A. Preston	3	Railserve
#41	John Roberts	3	Railserve
#42	Kenji Mizuno	3	Kyosan Electric Mfg. Co.
#43	Kyle R. Coston	3	Trinity Rail Group
#44	Lee A. Reitz	3	Trinity Rail Group
#45	Masayuki Mitsue	3	Kawasaki
#46	Norbert Geduhn	3	Siemens Mobility Gmbh
#47	Peter M. Bartek	3	—
#48	Sven Adomeit	3	Siemens Mobility Gmbh
#49	Tamotsu Yokoyama	3	Kyosan Electric Mfg. Co.
#50	Thierry Le Moigne	3	Aktiebolaget Skf
#51	Tomonori Itagaki	3	Kyosan Electric Mfg. Co.
#52	Toshifumi Nishi	3	Kyosan Electric Mfg. Co.
#53	Uwe Deichmann	3	Siemens Mobility Gmbh
#54	Vinod Khosla	3	View
#55	Yukihiro Sano	3	Sony
#56	Anthony J. Giertych	2	Railserve
#57	Andrew H. Martin	2	Amsted Rail Company
#58	Andreas Sutterluety	2	Innova Patent Gmbh
#59	Atsushi Sano	2	Tdk
#60	Brian C. Beckman	2	Amazon
#61	Brian Harp	2	Siemens Mobility Gmbh
#62	Brant R. McGhee	2	Trinity North American Freight Car
#63	Brian Nedward Meyer	2	GE
#64	Bret Dwayne Worden	2	GE
#65	Chris Schuchmann	2	Alstom Transport Technologies
#66	Charles C. Yang	2	Memc Electronic Materials
#67	Chang Zhang	2	Acellent Technologies
#68	Clémence SÈVE	2	Poma
#69	Darren Dragish	2	Amsted Rail Company
#70	Dexi Zhu	2	Avante International Technology
#71	Etienne Grappein	2	Speedinnov
#72	Fumihide Inamura	2	Kawasaki
#73	Gary William Mason	2	GE
#74	Hideki Kitada	2	Fujitsu Limited
#75	James W. Forbes	2	National Steel Car Limited
#76	Joseph Forrest Noffsinger	2	GE
#77	Kazuo Isomura	2	Kawasaki
#78	Karsten Rahn	2	Siemens Aktiengesellschaft
#79	Kenneth Wayne Black	2	National Steel Car Limited
#80	Kevin Kwong-Tai Chung	2	Amerasia International Technology
#81	Kenneth Garmson	2	Arup Ventures Limited
#82	Lei Liu	2	Foxconn
#83	Ludovic Fenayon	2	Aktiebolaget Skf
#84	Matthew Bonnes	2	Amsted Rail Company
#85	Marion Faverger	2	Speedinnov
#86	Markus Hubmann	2	Siemens Mobility Austria Gmbh
#87	Maurice Hutchins	2	Transportation Ip Holdings
#88	Mark Bradshaw Kraeling	2	GE
#89	Masayuki Tomizawa	2	Kawasaki
#90	Michael Gillis	2	Gunderson
#91	Michael Hoffman	2	Hydra Heating Industries
#92	Milan Karunaratne	2	GE
#93	Michael Koziol	2	—
#94	Michael H. Kress	2	Jac Operations
#95	Naoaki Kawakami	2	Kawasaki
#96	Nathan Thomas North	2	Transportation Ip Holdings
#97	Naohiro Yoshida	2	Toyota
#98	Nicholas Bjone	2	Amazon
#99	Nicholas David Nagrodsky	2	Alstom Transport Technologies
#100	Patricia Sue Lacy	2	GE

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Siemens Mobility Gmbh	32
2	Kawasaki	24
3	GE	23
#4	Alstom Transport Technologies	19
#5	Mitsubishi Electric	14
#6	Amsted Rail Company	8
#7	Westinghouse Air Brake	7
#8	Bombardier Transportation Gmbh	6
#9	Kyosan Electric Mfg. Co.	6
#10	Trinity Rail Group	6
#11	Aktiebolaget Skf	5
#12	Poma	5
#13	Progress Rail Locomotive	5
#14	Tetra Tech	5
#15	Voith Patent Gmbh	5
#16	Crrc Qiqihar Rolling Stock Co.	4
#17	Nevis Industries	4
#18	Siemens Mobility Austria Gmbh	4
#19	Trinity North American Freight Car	4
#20	Bnsf Railway	3
#21	Crrc Qingdao Sifang Co.	3
#22	Faiveley Transport Tours	3
#23	Gunderson	3
#24	Harsco	3
#25	Innova Patent Gmbh	3
#26	Jac Operations	3
#27	National Steel Car Limited	3
#28	Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H.	3
#29	Railserve	3
#30	The Boeing	3
#31	Traffic Control Technology Co.	3
#32	Unknown	3
#33	Amazon	2
#34	Arup Ventures Limited	2
#35	Avante International Technology	2
#36	Daifuku Co.	2
#37	Hitachi Kokusai Electric	2
#38	Hydra Heating Industries	2
#39	Meteorcomm	2
#40	Mitsubishi Heavy Industries Engineering	2
#41	Nabtesco	2
#42	Siemens Mobility Sas	2
#43	Speedinnov	2
#44	Sumitomo Electric Industries	2
#45	Technological Resources Pty Limited	2
#46	The Island Radar	2
#47	Trinity Industrial	2
#48	Ford	2
#49	IBM	2
#50	Akebono Brake Industry Co.	1
#51	Axtone Spolka Akcyjna	1
#52	Bedloe Industries	1
#53	Cattron North America	1
#54	Central Japan Railway Comany	1
#55	Central South University	1
#56	China Academy Of Railway Sciences Corporation	1
#57	Clearpath Robotics	1
#58	CEA	1
#59	Conductix-Wampfler Gmbh	1
#60	Crrc Qingdao Sifang Rolling Stock Research Institute Co.	1
#61	Crrc Tangshan Co.	1
#62	Crrc Yangtze Group Co.	1
#63	Current Lighting Solutions	1
#64	Dellner Couplers Ab	1
#65	Diagnosys	1
#66	Ensco	1
#67	Eurotech S.P.A.	1
#68	Faiveley Transport Amiens	1
#69	Faiveley Transport Italia S.P.A.	1
#70	Fermi Research Alliance	1
#71	Focused Technology Solutions	1
#72	Frauscher Sensortechnik Gmbh	1
#73	Georgetown Rail Equipment	1
#74	Guangdong Nufront Computer System Chip Co.	1
#75	Hefei University Of Technology	1
#76	Hitachi Industrial Equipment Systems Co.	1
#77	Hyperloop Technologies	1
#78	Icomera Ab	1
#79	International Electronic Machines	1
#80	Kabushiki Kaisha Toshiba	1
#81	Kasgro Rail	1
#82	Knorr-Bremse Gesellschaft Mit Beschränkter Haftung	1
#83	Koito Electric Industries	1
#84	Leitner S.P.A.	1
#85	Leonardo S.P.A.	1
#86	Lsis Co.	1
#87	Methode Electronics	1
#88	Metrom Rail	1
#89	Miner Enterprises	1
#90	Nippon Sharyo	1
#91	Nippon Steel	1
#92	Omnitek Partners	1
#93	Optasense Holdings Limited	1
#94	Optim	1
#95	Plasser & Theurer Export Von Bahnbaumaschinen Gmbh	1
#96	Powerbrace	1
#97	Preformed Line Products	1
#98	Progress Rail Services	1
#99	Rail Vision	1
#100	Railway Engineering Research Institute, China Academy Of Railway Sciences Co.	1

Railways Patent Leaders in 2020 2020

Patents per Year

Top Inventors

Top Companies