Metalworking Patent Leaders 2018

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	Junichi Okubo	7	Nippon Steel
2	Kenji Tamura	6	Honda Motor Co.
3	Thomas Flehmig	6	Thyssenkrupp Steel Europe Ag
#4	Toyohisa Shinmiya	6	Jfe Steel
#5	Yuji Yamasaki	6	Jfe Steel
#6	Harinder S. Oberoi	5	The Boeing
#7	Branko Sarh	4	The Boeing
#8	Gregory H. Butcher	4	Stolle Machinery Company
#9	Hayato Iwasaki	4	Kawasaki
#10	Hiroshi Kitano	4	Panasonic
#11	Joel T. Pyper	4	Standard Lifters
#12	Kazuyuki HIRATA	4	Toyota
#13	Kunihiro Yoshida	4	Nippon Steel
#14	Masayuki Ishizuka	4	Sumitomo Heavy Industries
#15	Masayuki Saika	4	Sumitomo Heavy Industries
#16	Norieda Ueno	4	Sumitomo Heavy Industries
#17	Scott M. Breen	4	Standard Lifters
#18	Takashi Komatsu	4	Idemitsu Petrochemical Co.
#19	Yoshihide Imamura	4	Kawasaki
#20	Yuto Sakane	4	Kawasaki
#21	Aaron E. Carstens	3	Stolle Machinery Company
#22	Alois Seilinger	3	Primetals Technologies Austria Gmbh
#23	Andrey M. Ilinich	3	Ford
#24	David Anthony Gaensbauer	3	Novelis
#25	Erich Opitz	3	Primetals Technologies Austria Gmbh
#26	Feng Ren	3	Ford
#27	Florian Poeschl	3	Primetals Technologies Austria Gmbh
#28	Hiroyuki Kurokawa	3	Toyota
#29	Jian Chen	3	Fuji Electric Co.
#30	Kazuhiko Higai	3	Jfe Steel
#31	Kevin Marion Barrick	3	The Boeing
#32	Ken-ichiro Yoshino	3	Topcon
#33	Koichiro Ishihara	3	Nippon Steel
#34	Kohei MIKAMI	3	Kawasaki
#35	Kunihiro Yabuno	3	Nippon Steel
#36	Misao Ogawa	3	Nippon Steel
#37	Mun Yong Lee	3	Sungwoo Hitech Co.
#38	Ray Arbesman	3	Gripmetal Limited
#39	Reinhard Karl	3	Primetals Technologies Austria Gmbh
#40	Sho Takamoto	3	Nippon Steel
#41	Takashi Miyagi	3	Nippon Steel
#42	Takeharu Yamamoto	3	Sumitomo Electric Industries
#43	Thomas Großerüschkamp	3	Thyssenkrupp Ag
#44	Tomohisa Yamashita	3	Kabushiki Kaisha Toshiba
#45	Yasuharu Tanaka	3	Nippon Steel
#46	Yoshiaki Nakazawa	3	Nippon Steel
#47	Yuki Shimizu	3	Fujifilm
#48	Allen Cagle	2	—
#49	Anthony Allor	2	Allor Manufacturing
#50	Andrew Cordell	2	Ora Metrix
#51	Andrea De Luca	2	Flusso Limited
#52	Andrew James Hobbis	2	Novelis
#53	Atsushi Tomizawa	2	Nippon Steel & Sumitomo Metal
#54	Bin TENG	2	Dalian University Of Technology
#55	Christopher John May	2	Ford
#56	Christoph Radinger	2	Ora Metrix
#57	David Pieronek	2	Thyssenkrupp Steel Europe Ag
#58	David Rose	2	Airbus Operations Limited
#59	David Withrow	2	Allor Manufacturing
#60	Donald Conrad Branson	2	Honeywell
#61	Edward John Batt	2	The Boeing
#62	Ettore Cernuschi	2	Danieli & C. Officine Meccaniche S.P.A.
#63	Evangelos Liasi	2	Ford
#64	Friedrich Riemeier	2	Ora Metrix
#65	Frank Witte	2	Ora Metrix
#66	George R. Winton, III	2	Unknown
#67	Guofu Tian	2	—
#68	Hamid R. Abbasi	2	Advance Research System
#69	Hiroyuki Masugata	2	Newfrey
#70	Ian Kenneth Scholey	2	Stolle Machinery Company
#71	James Kitson	2	Allor Manufacturing
#72	James A. McClung	2	Stolle Machinery Company
#73	Jeffrey Lawrence Miller	2	The Boeing
#74	Jian You	2	Darwin Precisions
#75	Jorge Alberto Arriaga	2	The Boeing
#76	John P. Joyce	2	Ford
#77	Jong-Kweon Park	2	Korea Institute Of Machinery & Materials
#78	Kazuto Kobayashi	2	Fujikoki
#79	Kenneth E. Carper	2	Stolle Machinery Company
#80	Kevin Troyer	2	Honeywell
#81	Konstantinos Savvas	2	Thyssenkrupp Steel Europe Ag
#82	Koichi Shijo	2	Nippon Steel & Sumikin Hardfacing Co.
#83	Liang Huang	2	Ford
#84	Masahiro Kubo	2	Nec
#85	Masaaki Mizumura	2	Nippon Steel
#86	Massimo Vasi	2	Danieli & C. Officine Meccaniche S.P.A.
#87	Markus Zörnack	2	Thyssenkrupp Steel Europe Ag
#88	Melissa Ann Findlay	2	The Boeing
#89	Michael Brüggenbrock	2	Thyssenkrupp Steel Europe Ag
#90	Milan Jurich	2	Honda Motor Co.
#91	Nghi Pham	2	R.A. Investment Management S.A.R.L.
#92	Nicola Meneghetti	2	Salvagnini Italia S.P.A.
#93	Nobuyuki Hagiwara	2	Nsk
#94	Norbert Ziesel	2	Webo Werkzeugbau Oberschwaben Gmbh
#95	Paul Robert Dunwoody	2	Crown Packaging Technology
#96	Paul David Nelson	2	Novelis
#97	Paul L. Ripple	2	Stolle Machinery Company
#98	Quang T. Do	2	The Boeing
#99	Roger Stanton Doo	2	Henrob Limited
#100	Roland Kampmann	2	Schleuniger Ag

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Nippon Steel & Sumitomo Metal	29
2	Thyssenkrupp Steel Europe Ag	14
3	Jfe Steel	13
#4	Ford	13
#5	The Boeing	10
#6	Danieli & C. Officine Meccaniche S.P.A.	9
#7	Sms Group Gmbh	8
#8	Toyota	8
#9	Honda Motor Co.	7
#10	Primetals Technologies Austria Gmbh	7
#11	Novelis	6
#12	Thyssenkrupp Ag	6
#13	Amada Co.	5
#14	Stolle Machinery Company	5
#15	Crown Packaging Technology	4
#16	Henrob Limited	4
#17	Kawasaki	4
#18	Silgan Containers	4
#19	Standard Lifters	4
#20	Sumitomo Heavy Industries	4
#21	Unknown	4
#22	Admc Holding	3
#23	Aida Engineering	3
#24	Hyundai Motor	3
#25	Kabushiki Kaisha F.C.C.	3
#26	Kobe Steel	3
#27	Mitsui High-Tec	3
#28	Newfrey	3
#29	Sungwoo Hitech Co.	3
#30	Ube Machinery Corporation	3
#31	General Motors	3
#32	Honeywell	3
#33	Apple	2
#34	Allor Manufacturing	2
#35	Ball	2
#36	BMW	2
#37	Benteler Automobiltechnik Gmbh	2
#38	Böllhoff Verbindungstechnik Gmbh	2
#39	Feintool International Holding Ag	2
#40	Fuji Seiko Co.	2
#41	Fuji Shoji Co.	2
#42	Illinois Tool Works	2
#43	Korea Institute Of Machinery & Materials	2
#44	Magna International	2
#45	Mitsubishi Electric	2
#46	National Machine	2
#47	Nhk Spring Co.	2
#48	Nippon Steel & Sumikin Hardfacing Co.	2
#49	Nisshin Steel Co.	2
#50	Nsk	2
#51	Nucap Industries	2
#52	Ora Metrix	2
#53	Primetals Technologies Germany Gmbh	2
#54	Robert Bosch Gmbh	2
#55	Salvagnini Italia S.P.A.	2
#56	Schleuniger Ag	2
#57	Schuler Pressen Gmbh	2
#58	Southwire Company	2
#59	Toshiba Mitsubishi-Electric Industrial Systems	2
#60	Trumpf Maschinen Austria	2
#61	Trumpf Werkzeugmaschinen Gmbh + Co. Kg	2
#62	Voestalpine Metal Forming Gmbh	2
#63	Webo Werkzeugbau Oberschwaben Gmbh	2
#64	Yung Chi Industry Co.	2
#65	Comcast	2
#66	AMD	1
#67	AT&T	1
#68	Adm28 S.Àr.L	1
#69	Adval Tech Holding Ag	1
#70	Aerolia	1
#71	Ags Company Automotive Solutions	1
#72	Airbus Operations Limited	1
#73	Alcoa	1
#74	Alcoa Usa	1
#75	Aps Japan Co.	1
#76	Areva Np	1
#77	Audi Ag	1
#78	Autotech Engineering Deutschland Gmbh	1
#79	Baoshan Iron & Steel Co.	1
#80	Bartell Machinery Systems, L.L.C.	1
#81	Bell Helicopter Textron	1
#82	Belvac Production Machinery	1
#83	Blm S.P.A.	1
#84	Blockwise Engineering	1
#85	Blue Evolution	1
#86	Bosch Automotive Service Solutions	1
#87	Bowman International Limited	1
#88	Btm Company	1
#89	Car-O-Liner Group Ab	1
#90	Carrier	1
#91	Chuo Hatsujo	1
#92	Citic Dicastal Co.	1
#93	Cml International S.P.A.	1
#94	Comau	1
#95	Compagnie Generale Des Etablissements Michelin	1
#96	Constellium Neuf-Brisach	1
#97	Continental Automotive Gmbh	1
#98	C.R.F. Societa' Consortile Per Azioni	1
#99	Cte Sistemi S.R.L.	1
#100	Daikin Industries	1

Metalworking Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies