Metal casting Patent Leaders 2025

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	Andrew Michael Butor	6	Suncoke Technology And Development
2	David James Schwake	6	Suncoke Technology And Development
3	Jonathan Hale Perkins	6	Suncoke Technology And Development
#4	John Francis Quanci	6	Suncoke Technology And Development
#5	John Michael Richardson	6	Suncoke Technology And Development
#6	Patrick J. Mullarkey	6	Micron
#7	Vladek Kasperchik	6	HP
#8	Chun Wai Choi	5	Suncoke Technology And Development
#9	Scott Nelson	5	—
#10	Andrew J. Bayramian	4	Lawrence Livermore National Security
#11	Derek Schmuland	4	Freeform Future
#12	James A. DeMuth	4	Seurat Technologies
#13	John Grubbs	4	—
#14	Jonah Samuel Myerberg	4	Desktop Metal
#15	Krzysztof Nauka	4	HP
#16	Ning Duanmu	4	Seurat Technologies
#17	Abdalla R. Nassar	3	Penn State
#18	Brennan Yahata	3	Hrl Laboratories
#19	Canan Uslu Hardwicke	3	GE
#20	Callum Healey	3	Lpw Technology
#21	Daisuke FUNAKI	3	Metals Engineering Kabushiki Kaisha
#22	Drew W. Kissinger	3	Seurat Technologies
#23	Emanuel M. Sachs	3	Desktop Metal
#24	Francis L. Leard	3	Seurat Technologies
#25	Hugo Jean-Louis SISTACH	3	Safran Aircraft Engines
#26	Joseph Gillespie	3	Seurat Technologies
#27	John H. Martin	3	Hrl Laboratories
#28	Kouichi Shimomura	3	Metals Engineering Kabushiki Kaisha
#29	Mohammed S. Shaarawi	3	HP
#30	Peter G. Imbrogno	3	Keystone Powdered Metal
#31	Qingyou Han	3	Purdue Research Foundation
#32	Susanne Kras	3	Seurat Technologies
#33	Thomas J Ronacher	3	Freeform Future
#34	Tienteh Chen	3	HP
#35	Tobias A. Schaedler	3	Hrl Laboratories
#36	Yiyu Shen	3	Seurat Technologies
#37	Yuso Kanehira	3	Metals Engineering Kabushiki Kaisha
#38	Andrew Horsfall	2	Pyrotek
#39	Andy Nieto	2	US Navy
#40	April L. Cooke	2	Seurat Technologies
#41	Arne Ballantine	2	Bloom Energy
#42	Arunkumar Natarajan	2	GE
#43	Baily Thomas	2	—
#44	Bechir CHEHAB	2	C-Tec Constellium Technology Center
#45	Benjamin Schweizer	2	Robert Bosch Gmbh
#46	Brian A. Fisher	2	Tridon
#47	Broc William TenHouten	2	Divergent Technologies
#48	Carlos H. Bonilla	2	GE
#49	Cédric Pierre Jacques COLAS	2	Safran Aircraft Engines
#50	Charles Trent Daulton	2	RTX (Raytheon)
#51	Christopher Raymond Hanslits	2	GE
#52	Chockkalingam Karuppaiah	2	Bloom Energy
#53	Ching-Nan Liu	2	—
#54	Christoph Schnitter	2	H.C. Starck
#55	Chao-Hui Yang	2	Sae Magnetics (H.K.)
#56	Cote LeBlanc	2	Seurat Technologies
#57	Cory J. Ruud	2	HP
#58	Csilla MIKO	2	Swatch Group Research And Development
#59	Daisuke Ichigozaki	2	Toyota
#60	David Michael Ingle	2	HP
#61	David Scott Simmermon	2	GE
#62	Daniel Roszhart Zehr	2	Freeform Future
#63	Denis Cormier	2	Additive Technologies
#64	Dirk Schnubel	2	Nemak, S.A.B. De C.V.
#65	Eberhard Maier	2	Robert Bosch Gmbh
#66	Eric Peter Goodwin	2	Nikon
#67	Erik Palitsch	2	Freeform Future
#68	Fernando Lomello	2	CEA
#69	Frédéric Larouche	2	Ap&C Advanced Powders & Coatings
#70	Frédéric Marion	2	Ap&C Advanced Powders & Coatings
#71	Fumiya MAEDA	2	Seiko Epson
#72	Gerald R. Klaus	2	Fellowes Manufacturing
#73	Guilhem Roux	2	CEA
#74	Harold W. Chittick	2	Seurat Technologies
#75	Heeman Choe	2	Baker Hughes Holdings
#76	Henrik FRANZ	2	Ald Vacuum Technologies Gmbh
#77	Henrik Rasmussen	2	Grundfos Holding A/S
#78	Hiroyuki Ibe	2	Fujimi Incorporated
#79	Hiroyuki Shinozaki	2	Ebara
#80	Holger Brumm	2	H.C. Starck
#81	Jason Bradley Allen	2	Goodrich
#82	Jan Pascal Bogner	2	Siemens Energy Global
#83	Jamison Go	2	Desktop Metal
#84	Jacob M. Hundley	2	Hrl Laboratories
#85	Jared Micheal Iverson	2	GE
#86	Jean-Paul Garandet	2	CEA
#87	Jeffrey Jarboe	2	Seurat Technologies
#88	Jean-Michel TREMBLAY-GOUPILLE	2	—
#89	J. Thare MacDonald	2	Seurat Technologies
#90	John T. Dardis, II	2	University Of Washington Through Its Center For Commercialization
#91	John Samuel Dilip Jangam	2	HP
#92	Justin John Gambone, JR.	2	GE
#93	Jung-Lae Jo	2	Mitsui Mining & Smelting Co.
#94	Julius Schurb	2	GE
#95	Junya Yamada	2	Sony
#96	Kamal Hadidi	2	6K
#97	Kazuhiko NISHIOKA	2	K.K. Sun Metalon
#98	Kei Anai	2	Mitsui Mining & Smelting Co.
#99	Kevin Paul Bailey	2	Transportation Ip Holdings
#100	Kevin M. Tracy	2	RTX (Raytheon)

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	23
2	RTX (Raytheon)	12
3	HP	8
#4	The Boeing	8
#5	Siemens Energy Global	7
#6	Desktop Metal	6
#7	Nikon	6
#8	Peridot Print	6
#9	Toyota	6
#10	Arcam Ab	5
#11	Divergent Technologies	5
#12	Nikon Slm Solutions Ag	5
#13	Proterial	5
#14	Suncoke Technology And Development	5
#15	Dowa Electronics Materials Co.	4
#16	Goodrich	4
#17	Keystone Powdered Metal	4
#18	Mitsubishi Electric	4
#19	Mitsui Mining & Smelting Co.	4
#20	Pyrotek	4
#21	Rolls-Royce Plc	4
#22	Safran	4
#23	Safran Aircraft Engines	4
#24	Seurat Technologies	4
#25	Sintokogio	4
#26	Honeywell	4
#27	Ald Vacuum Technologies Gmbh	3
#28	CEA	3
#29	Eos Gmbh Electro Optical Systems	3
#30	Freeform Future	3
#31	Hyundai Motor	3
#32	Kia	3
#33	Lpw Technology	3
#34	Metals Engineering Kabushiki Kaisha	3
#35	Renishaw Plc	3
#36	Schlumberger Technology	3
#37	Seiko Epson	3
#38	Sodick Co.	3
#39	Unknown	3
#40	Xerox	3
#41	General Motors	3
#42	6K	2
#43	Additive Technologies	2
#44	Addup	2
#45	Ap&C Advanced Powders & Coatings	2
#46	Basf Se	2
#47	Battelle Energy Alliance	2
#48	Brigham Young University	2
#49	CNRS	2
#50	Concept Laser, Gmbh	2
#51	C-Tec Constellium Technology Center	2
#52	Fraunhofer	2
#53	Grundfos Holding A/S	2
#54	Hilti Aktiengesellschaft	2
#55	Hrl Laboratories	2
#56	Jiangsu University	2
#57	Jtekt	2
#58	K.K. Sun Metalon	2
#59	Lawrence Livermore National Security	2
#60	Magnus Metal	2
#61	Mtu Aero Engines Ag	2
#62	Nemak, S.A.B. De C.V.	2
#63	Nippon Steel	2
#64	Obshchestvo S Ogranichennoy Otvetstvennost'Yu “Obedinennaya Kompaniya Rusal Inzhenerno-Tekhnologicheskiy Tsentr”	2
#65	Relativity Space	2
#66	Resonac	2
#67	Robert Bosch Gmbh	2
#68	Shibaura Machine Co.	2
#69	Sms Group Gmbh	2
#70	South China University Of Technology	2
#71	Taniobis Gmbh	2
#72	Technology Research Association For Future Additive Manufacturing	2
#73	Penn State	2
#74	Swatch Group Research And Development	2
#75	Transportation Ip Holdings	2
#76	University-Industry Cooperation Group Of Kyung Hee University	2
#77	Ut-Battelle	2
#78	Vulcanforms	2
#79	WARF	2
#80	Canon	2
#81	LG	2
#82	Aac Technologies (Nanjing) Co.	1
#83	Abb Schweiz Ag	1
#84	Aecc Commercial Aircraft Engine Co.	1
#85	Aecc Shanghai Commercial Aircraft Engine Manufacturing Co.	1
#86	Aktiebolaget Skf	1
#87	Alantum Europe Gmbh	1
#88	Alcoa	1
#89	Alpha Assembly Solutions	1
#90	Arcelormittal	1
#91	Arizona Board Of Regents For And On Behalf Of Arizona State University	1
#92	Asahi Kasei Kabushiki Kaisha	1
#93	Ask Chemicals Gmbh	1
#94	Autodesk	1
#95	Battelle Memorial Institute	1
#96	Battelle Savannah River Alliance	1
#97	BMW	1
#98	Blue Origin Manufacturing	1
#99	Carbo Ceramics	1
#100	Carl Zeiss Industrielle Messtechnik Gmbh	1

Metal casting Patent Leaders in 2025 2025

Patents per Year

Top Inventors

Top Companies