Metal casting Patent Leaders 2023

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	Krzysztof Nauka	7	HP
2	Qigui Wang	7	General Motors
3	Makhlouf Redjdal	6	6K
#4	Quinlan Yee Shuck	6	—
#5	Scott Nelson	6	—
#6	Franz-Josef Wöstmann	5	Fraunhofer
#7	James McKinnell	5	HP
#8	Matthias Busse	5	Fraunhofer
#9	Akihiko TSUNOYA	4	Seiko Epson
#10	Andrew VanOs LaTour	4	Molyworks Material
#11	Brandon David Ribic	4	—
#12	Christopher T. Chungbin	4	Xerox
#13	Christopher Paul Eonta	4	Molyworks Material
#14	Christian Soltmann	4	Fraunhofer
#15	David Champion	4	HP
#16	David A. Mantell	4	Xerox
#17	Douglas Gerard Konitzer	4	GE
#18	Dong Woo Yoo	4	LG
#19	Lukas Stumm	4	Fraunhofer
#20	Mohammed S. Shaarawi	4	HP
#21	Sergey Mironets	4	RTX (Raytheon)
#22	Takehiro Sugino	4	Sintokogio
#23	Thomas Anthony	4	HP
#24	Vladek Kasperchik	4	HP
#25	William Thomas Carter	4	GE
#26	Akitoshi Matsui	3	Jfe Steel
#27	Anastasios John Hart	3	MIT
#28	Brendan McNamara	3	Xerox
#29	Brian David Przeslawski	3	GE
#30	Chu-heng Liu	3	Xerox
#31	David K. Biegelsen	3	Xerox
#32	David Chanclon Fernandez	3	Peridot Print
#33	Derek A. Bryl	3	Xerox
#34	Dinesh Krishna Kumar Jayabal	3	Xerox
#35	Eberhard Ernst	3	Borealis Ag
#36	Erwin Ruiz	3	Xerox
#37	Gregory Wrobel	3	6K
#38	Hasim Tekines	3	Gkn Sinter Metals Engineering Gmbh
#39	Hunter B. Henderson	3	Ut-Battelle
#40	Jack Gaynor Elliot	3	Xerox
#41	Jamison Go	3	Desktop Metal
#42	Jin Kyu Lee	3	LG
#43	Jorge Diosdado Borrego	3	HP
#44	Jonah Samuel Myerberg	3	Desktop Metal
#45	Joseph C. Sheflin	3	Xerox
#46	Kamal Hadidi	3	6K
#47	Kristopher J. Erickson	3	HP
#48	Matthew Charles	3	Molyworks Material
#49	Matthew R. Gold	3	Rolls-Royce North America
#50	Michael K. Anderson	3	Wagstaff
#51	Ngadia Taha Niane	3	Safran
#52	Orlando Rios	3	Ut-Battelle
#53	Paul V. Cooper	3	Molten Metal Equipment Innovations
#54	Pablo Antonio Murciego Rodriguez	3	HP
#55	Peter M. Gulvin	3	Xerox
#56	Piotr Sokolowski	3	Xerox
#57	Qingyou Han	3	Purdue Research Foundation
#58	Qingfeng Zhang	3	Baoshan Iron & Steel Co.
#59	Rainer Schmitt	3	Gkn Sinter Metals Engineering Gmbh
#60	Rachel Lynn Tanchak	3	Xerox
#61	Raymond Ruiwen Xu	3	—
#62	Scott Joseph Turchetti	3	6K
#63	Sihai Jiao	3	Baoshan Iron & Steel Co.
#64	So Jin Kim	3	LG
#65	Sunil Bhalchandra Badwe	3	6K
#66	Tyson W. Brown	3	General Motors
#67	Adrien Bernard Vincent Rollinger	2	Safran
#68	Ahren Michael Hoy	2	Lexmark International
#69	Alexandre Allemand	2	CEA
#70	Alexandre Auger	2	Tekna Plasma Systems
#71	Alexander Johannes Geyling	2	Lexmark International
#72	Alain Largeteau	2	CNRS
#73	Alain Armel Le Hegarat	2	Safran
#74	Almog Shahar	2	Stratasys
#75	Ali Yousefiani	2	The Boeing
#76	Amelia M. Elliott	2	Ut-Battelle
#77	Ananda Barua	2	GE
#78	Antonio Favia	2	Vesuvius Group, S.A.
#79	Antonio Bernerd Martinez	2	Divergent Technologies
#80	Anil K. Sachdev	2	General Motors
#81	Arthur H. Barnes	2	HP
#82	Baode Sun	2	Shanghai Jiao Tong University
#83	Baicheng Zhang	2	Institute Of Flexible Electronics Technology Of Thu, Zhejiang
#84	Beat Eberle	2	Bühler Ag
#85	Bing-Ling Chao	2	Taylor Made Golf Company
#86	Broc William TenHouten	2	Divergent Technologies
#87	Brian Lee Tollison	2	GE
#88	Carl Busta	2	RTX (Raytheon)
#89	Christopher B. Aldridge	2	Unknown
#90	Christopher Alex DORVAL DION	2	Pyrogenesis Canada
#91	Choon Yen Kong	2	C4 Carbides Limited
#92	Christopher Paul Schodin	2	HP
#93	Claus Thomy	2	Mitsubishi Electric
#94	Corrado Bassi	2	Novelis
#95	Connor L. Coward	2	Powder Motion Labs
#96	Corentin Picard	2	Vesuvius Group, S.A.
#97	Craig Richard Cordill	2	Wagstaff
#98	David Charles Bogdan, JR.	2	GE
#99	Daniel J. Braley	2	The Boeing
#100	Dana Alexander Henshaw	2	The Boeing

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	25
2	HP	22
3	Xerox	19
#4	RTX (Raytheon)	16
#5	General Motors	13
#6	Hamilton Sundstrand	12
#7	Sintokogio	10
#8	Rolls-Royce Plc	9
#9	Sodick Co.	9
#10	Fraunhofer	8
#11	Seiko Epson	8
#12	The Boeing	8
#13	6K	7
#14	Siemens Energy Global	7
#15	CEA	6
#16	Desktop Metal	6
#17	Honda Motor Co.	6
#18	Mitsubishi Electric	6
#19	Nippon Steel	6
#20	Safran	6
#21	University Of Science And Technology Beijing	6
#22	Ut-Battelle	6
#23	Baoshan Iron & Steel Co.	5
#24	Jfe Steel	5
#25	Rolls-Royce North America	5
#26	Sumitomo Electric Sintered Alloy	5
#27	Toyota	5
#28	Divergent Technologies	4
#29	Dowa Electronics Materials Co.	4
#30	Hitachi	4
#31	Hyundai Motor	4
#32	Molyworks Material	4
#33	Murata Manufacturing Co.	4
#34	Safran Aircraft Engines	4
#35	University of Florida	4
#36	Vesuvius Group, S.A.	4
#37	Wagstaff	4
#38	Ford	4
#39	LG	4
#40	Ask Chemicals Gmbh	3
#41	Citic Dicastal Co.	3
#42	Danieli & C. Officine Meccaniche S.P.A.	3
#43	Element Six (Uk) Limited	3
#44	Gkn Sinter Metals Engineering Gmbh	3
#45	Höganäs Ab (Publ)	3
#46	Ihi	3
#47	Kia	3
#48	KFUPM	3
#49	Mitsubishi Materials	3
#50	Molten Metal Equipment Innovations	3
#51	Ricoh Company	3
#52	Applied Materials	2
#53	3D Systems	2
#54	Bühler Ag	2
#55	C4 Carbides Limited	2
#56	CNRS	2
#57	Concept Laser, Gmbh	2
#58	Danfoss Silicon Power Gmbh	2
#59	Disa Industries A/S	2
#60	Exco Technologies Limited	2
#61	Fujiwa Denki Co.	2
#62	Fukuda Metal Foil & Powder Co.	2
#63	Gkn Sinter Metals	2
#64	Goodrich	2
#65	H.C. Starck Solutions Coldwater	2
#66	Honda Foundry Co.	2
#67	Huazhong University Of Science And Technology	2
#68	Iowa State University	2
#69	Jiangnan University	2
#70	Kao	2
#71	Keystone Powdered Metal	2
#72	KAIST	2
#73	Kunming University Of Science And Technology	2
#74	Mahle International Gmbh	2
#75	Markforged	2
#76	MIT	2
#77	Messer Industries Usa	2
#78	Mh Technologies	2
#79	Mitsubishi Heavy Industries Aero Engines	2
#80	Nanjing University Of Aeronautics And Astronautics	2
#81	National Technology & Engineering Solutions Of Sandia	2
#82	Ngk Insulators	2
#83	Nitto Denko	2
#84	Novelis	2
#85	Palo Alto Research Center Incorporated	2
#86	Powder Motion Labs	2
#87	Primetals Technologies Austria Gmbh	2
#88	Proterial	2
#89	Pukyong National University Industry-University Cooperation Foundation	2
#90	Purdue Research Foundation	2
#91	Pyrogenesis Canada	2
#92	Questek Innovations	2
#93	Refractory Intellectual Property	2
#94	Shibaura Machine Co.	2
#95	Stratasys	2
#96	Sulzer Management Ag	2
#97	Sumitomo Electric Industries	2
#98	Sumitomo Metal Mining Co.	2
#99	Taylor Made Golf Company	2
#100	Technology Research Association For Future Additive Manufacturing	2

Metal casting Patent Leaders in 2023 2023

Patents per Year

Top Inventors

Top Companies