Metalworking Patent Leaders 2020

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	Yoshiaki Nakazawa	13	Nippon Steel
2	Harinder S. Oberoi	7	The Boeing
3	Ian Kenneth Scholey	6	Stolle Machinery Company
#4	Jeffrey Lawrence Miller	6	The Boeing
#5	Aaron E. Carstens	5	Stolle Machinery Company
#6	Branko Sarh	5	The Boeing
#7	Kevin Marion Barrick	5	The Boeing
#8	Kenichiro Otsuka	5	Nippon Steel
#9	Quang T. Do	5	The Boeing
#10	Ryuichi NISHIMURA	5	Nippon Steel
#11	Shigeru Yonemura	5	Nippon Steel
#12	Tohru Yoshida	5	Nippon Steel
#13	Alan W. Cleveland	4	Stolle Machinery Company
#14	Alfredo Jose Gerosa	4	The Boeing
#15	Alois Seilinger	4	Primetals Technologies Austria Gmbh
#16	Gregory H. Butcher	4	Stolle Machinery Company
#17	Hiroshi Yamashita	4	Ricoh Company
#18	Karl S. Fleischer	4	Stolle Machinery Company
#19	Kenneth LeVey	4	Illinois Tool Works
#20	Keiichi Morishita	4	Hidaka Seiki Kabushiki Kaisha
#21	Misao Ogawa	4	Nippon Steel
#22	Pei-Chung Wang	4	General Motors
#23	Richard Griffith Reese, IV	4	The Boeing
#24	Shijian Yuan	4	Dalian University Of Technology
#25	Stuart Edmund Blacket	4	Henrob Limited
#26	Toshiya Suzuki	4	Nippon Steel
#27	Wojciech Gostylla	4	Henrob Limited
#28	Yasuhiro Ito	4	Tdk
#29	Yasuyuki Kohno	4	Aida Engineering
#30	Yasuharu Tanaka	4	Nippon Steel
#31	Yuji Yamasaki	4	Jfe Steel
#32	Alan S. Draper	3	The Boeing
#33	Andreas Maritz	3	Hatebur Umformmaschinen Ag
#34	Andreas Matt	3	Hatebur Umformmaschinen Ag
#35	Andreas Skolaude	3	Richard Bergner Verbindungstechnik Gmbh & Co. Kg
#36	Bradley J. Blaski	3	General Motors
#37	Dennis Traenklein	3	Trumpf Werkzeugmaschinen Gmbh + Co. Kg
#38	Ian Breeze	3	Bowman International Limited
#39	Junichi Okubo	3	Nippon Steel
#40	Kenji Tamura	3	Honda Motor Co.
#41	Kenichi Watanabe	3	Fujitsu Semiconductor Limited
#42	Masayuki Ishizuka	3	Sumitomo Heavy Industries
#43	Masayuki Saika	3	Sumitomo Heavy Industries
#44	Michael Badent	3	Tox Pressotechnik Gmbh & Co. Kg
#45	Norieda Ueno	3	Sumitomo Heavy Industries
#46	Shuji Yamamoto	3	Nippon Steel & Sumitomo Metal
#47	Takashi Miyagi	3	Nippon Steel
#48	Toshimitsu Aso	3	Nippon Steel
#49	Toru Hashimura	3	Kobe Steel
#50	Yasuhiro Maeda	3	Kobe Steel
#51	Yasunobu Miyazaki	3	Nippon Steel
#52	Amanda Kay Freis	2	Ford
#53	Andreas Deuerlein	2	Pass Stanztechnik Ag
#54	Atsushi Tomizawa	2	Nippon Steel & Sumitomo Metal
#55	Changqing Du	2	Fca Us Llc.
#56	Chikara Ohki	2	Ntn
#57	Cory J. Padfield	2	American Axle & Manufacturing
#58	Corinna Wendeler-Goeggelmann	2	Geobrugg Ag
#59	David I. Alexander	2	American Axle & Manufacturing
#60	Daniele Bassan	2	C.R.F. Societa' Consortile Per Azioni
#61	Daniel A. DeChant	2	Illinois Tool Works
#62	Daisuke Enomoto	2	Mitsui Kinzoku Act
#63	Daniel Kotzian	2	Primetals Technologies Germany Gmbh
#64	Darius Teichroew	2	Mate Precision Tooling
#65	Dajun Zhou	2	Fca Us Llc.
#66	Eric M. Reid	2	The Boeing
#67	Fumiaki Ikuta	2	Neturen Co.
#68	Fuminori Watanabe	2	Nippon Steel
#69	Garret Sankey Huff	2	Ford
#70	Giovanni Borinelli	2	Unknown
#71	Giorgio Del Fabro	2	M.E.P. Macchine Elettroniche Piegatrici S. P.A.
#72	Giovanni Vidotto	2	Trumpf Maschinen Austria
#73	Gregory Gudzinski	2	The Boeing
#74	Hervé STOPPIGLIA	2	Constellium Neuf-Brisach
#75	Hideaki Hayashi	2	Sony
#76	Hiroyuki Kurokawa	2	Toyota
#77	Hiroyuki Matsuno	2	Canon
#78	Hidekazu Tokunaga	2	—
#79	Hiroshi Yamamoto	2	Canon
#80	Hiroshi Yoshida	2	Kabushiki Kaisha Toshiba
#81	Hongcai Lin	2	Jiangsu University Of Science And Technology
#82	James A. McClung	2	Stolle Machinery Company
#83	Jie Wen	2	Innovative Surface Technologies
#84	Jian Xu	2	Donaldson Company
#85	Jianmin Yu	2	North University Of China
#86	Jian Zhang	2	Jiangsu University Of Science And Technology
#87	Johannes Alken	2	Sms Group Gmbh
#88	John Macdonald	2	Fca Us Llc.
#89	John A. Pale	2	American Axle & Manufacturing
#90	Joel T. Pyper	2	Standard Lifters
#91	Junya Naitou	2	Kobe Steel
#92	Junichi Nishizawa	2	Unknown
#93	Kazuyuki HIRATA	2	Toyota
#94	Ken-ichiro Yoshino	2	Topcon
#95	Kohei MIZUTA	2	Rohm Co.
#96	Koichi Sato	2	Canon
#97	Kunihiro Yabuno	2	Nippon Steel
#98	Kwok Tung Chan	2	The Boeing
#99	Larry J. Costa	2	Valmont Industries
#100	Larry Villeneuve	2	Mate Precision Tooling

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Nippon Steel	44
2	Sms Group Gmbh	18
3	The Boeing	13
#4	Stolle Machinery Company	12
#5	Toyota	11
#6	Jfe Steel	10
#7	Atlas Copco Ias Uk Limited	7
#8	Kobe Steel	7
#9	Ford	7
#10	Aida Engineering	6
#11	Primetals Technologies Austria Gmbh	6
#12	Danieli & C. Officine Meccaniche S.P.A.	5
#13	Honda Motor Co.	5
#14	Trumpf Maschinen Austria	5
#15	Trumpf Werkzeugmaschinen Gmbh + Co. Kg	5
#16	General Motors	5
#17	Alcoa	4
#18	Amada Co.	4
#19	American Axle & Manufacturing	4
#20	Fca Us Llc.	4
#21	Hatebur Umformmaschinen Ag	4
#22	Hidaka Seiki Kabushiki Kaisha	4
#23	Kawasaki	4
#24	Komatsu	4
#25	Safran Aircraft Engines	4
#26	Abb Schweiz Ag	3
#27	Böllhoff Verbindungstechnik Gmbh	3
#28	Bowman International Limited	3
#29	Citic Dicastal Co.	3
#30	Constellium Neuf-Brisach	3
#31	Daido Steel Co.	3
#32	Harbin Institute Of Technology	3
#33	Hyundai Motor	3
#34	Kia Motors	3
#35	Mate Precision Tooling	3
#36	Newfrey	3
#37	Novelis	3
#38	Primetals Technologies Germany Gmbh	3
#39	Sumitomo Heavy Industries	3
#40	Toshiba Mitsubishi-Electric Industrial Systems	3
#41	Tox Pressotechnik Gmbh & Co. Kg	3
#42	Aktiebolaget Skf	2
#43	Audi Ag	2
#44	Autotech Engineering S.L.	2
#45	Ball	2
#46	Baoshan Iron & Steel Co.	2
#47	BMW	2
#48	Belvac Production Machinery	2
#49	Bystronic Laser Ag	2
#50	C.R.F. Societa' Consortile Per Azioni	2
#51	Dalian University Of Technology	2
#52	Geobrugg Ag	2
#53	Greenlee Tools	2
#54	Hitachi	2
#55	Illinois Tool Works	2
#56	Jdc	2
#57	Jiangsu University Of Science And Technology	2
#58	Kabushiki Kaisha F.C.C.	2
#59	Keystone Tower Systems	2
#60	Mega Manufacturing	2
#61	M.E.P. Macchine Elettroniche Piegatrici S. P.A.	2
#62	Metal Industries Research & Development Centre	2
#63	Neturen Co.	2
#64	Nhk Spring Co.	2
#65	Nippon Steel Nisshin Co.	2
#66	North University Of China	2
#67	Nsk	2
#68	Ntn	2
#69	Opton Co.	2
#70	Pass Stanztechnik Ag	2
#71	Pride Engineering	2
#72	Primetals Technologies Japan	2
#73	Primetals Technologies Usa	2
#74	Repkon Machine And Tool Industry And Trade	2
#75	Richard Bergner Verbindungstechnik Gmbh & Co. Kg	2
#76	Rohr	2
#77	Seki Press Co.	2
#78	Soudronic Ag	2
#79	Standard Lifters	2
#80	Thyssenkrupp Ag	2
#81	Thyssenkrupp Steel Europe Ag	2
#82	US Air Force	2
#83	Honeywell	2
#84	Accuride	1
#85	Accurpress America	1
#86	Acs Industries	1
#87	Adm28 S.Àr.L	1
#88	Admc Holding	1
#89	Agency For Defense Development	1
#90	Ags Company Automotive Solutions	1
#91	A.I.M. Holding	1
#92	Airbus Operations Limited	1
#93	A.L.M.T.	1
#94	Anheuser-Busch	1
#95	Aperam	1
#96	A. Raymond Et Cie	1
#97	Arcelormittal	1
#98	Arvinmeritor Technology	1
#99	Association Pour La Recherche Developpement Des Methodes Et Processus Industriels	1
#100	Autotech Engineering A.I.E.	1

Metalworking Patent Leaders in 2020 2020

Patents per Year

Top Inventors

Top Companies