Metal casting Patent Leaders 2024

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	Qigui Wang	10	General Motors
2	Vladek Kasperchik	9	HP
3	Liang Wang	8	Huawei
#4	Mohammed S. Shaarawi	7	HP
#5	Quinlan Yee Shuck	7	—
#6	Brennan Yahata	6	Hrl Laboratories
#7	Jin Kyu Lee	6	LG
#8	John H. Martin	6	Hrl Laboratories
#9	Qingyou Han	6	Purdue Research Foundation
#10	Xi Yang	6	GE
#11	Brian David Przeslawski	5	GE
#12	Chu-heng Liu	5	Xerox
#13	Cliff Toldo	5	Hilti Aktiengesellschaft
#14	David K. Biegelsen	5	Xerox
#15	David A. Mantell	5	Xerox
#16	Emanuel M. Sachs	5	Desktop Metal
#17	Jacob M. Hundley	5	Hrl Laboratories
#18	James McKinnell	5	HP
#19	Marcel Sonderegger	5	Hilti Aktiengesellschaft
#20	Paul J. McConville	5	Xerox
#21	Pierre Jean SALLOT	5	Safran
#22	Andrew J. Bayramian	4	Lawrence Livermore National Security
#23	Christopher T. Chungbin	4	Xerox
#24	David Champion	4	HP
#25	Dong Woo Yoo	4	LG
#26	James A. DeMuth	4	Seurat Technologies
#27	John Robert Buster McCallum	4	Novelis
#28	Justin Mamrak	4	GE
#29	Lihua Zhao	4	HP
#30	MacKenzie Ryan Redding	4	GE
#31	Peter M. Gulvin	4	Xerox
#32	Scott Nelson	4	—
#33	Sergey Mironets	4	RTX (Raytheon)
#34	Akitoshi Matsui	3	Jfe Steel
#35	Alexander Mueller	3	Miba Sinter Austria Gmbh
#36	Ali Yousefiani	3	The Boeing
#37	Andre Schaefer	3	Intel
#38	Andrew Sherman	3	Terves
#39	Arvind Agarwal	3	Florida International University Board Of Trustees
#40	Bing-Ling Chao	3	Taylor Made Golf Company
#41	Cheng Zhang	3	Florida International University Board Of Trustees
#42	Daniel Endecott Osgood	3	GE
#43	Daniel J. Wilson	3	General Motors
#44	Denny John	3	Florida International University Board Of Trustees
#45	Dinesh Krishna Kumar Jayabal	3	Xerox
#46	Douglas K. Herrmann	3	Xerox
#47	Douglas Gerard Konitzer	3	GE
#48	Franz-Josef Wöstmann	3	Fraunhofer
#49	Gregory Terrence Garay	3	GE
#50	Hideo Nakako	3	Hitachi Chemical Company
#51	Hirotsune Watanabe	3	Toyota
#52	Jason Hower	3	HP
#53	Jason M. LeFevre	3	Xerox
#54	Jong Min Shin	3	LG
#55	Joseph Yu	3	Taylor Made Golf Company
#56	Kazuo Kikawa	3	Honda Motor Co.
#57	Kei Anai	3	Mitsui Mining & Smelting Co.
#58	Klaus Seeger	3	Hüttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter Haftung
#59	Matthias Busse	3	Fraunhofer
#60	Masaki Shinkawa	3	Harada Industry Co.
#61	Michael G. Monroe	3	HP
#62	Paul V. Cooper	3	Molten Metal Equipment Innovations
#63	Palghat S. Ramesh	3	Xerox
#64	Peter G. Imbrogno	3	Keystone Powdered Metal
#65	Peter Pontiller-Schymura	3	Concept Laser, Gmbh
#66	Phillip Wilson	3	Novelis
#67	PriyaankaDevi Guggilapu	3	Xerox
#68	Raymond Ruiwen Xu	3	—
#69	Ronald C. Daul	3	General Motors
#70	Ryan C. Breneman	3	RTX (Raytheon)
#71	Ryosuke MASUDA	3	Jfe Steel
#72	Samuel R. Wagstaff	3	Novelis
#73	Seemit Praharaj	3	Xerox
#74	Shenyan Huang	3	GE
#75	Shugo MORITA	3	Jfe Steel
#76	Sohail Mohammed	3	Husky Injection Molding Systems
#77	Steven J. Bullied	3	RTX (Raytheon)
#78	Steven L. Burkholder	3	General Motors
#79	Tatsuro Hayashida	3	Jfe Steel
#80	Taiga KORIYAMA	3	Jfe Steel
#81	Tanaji Paul	3	Florida International University Board Of Trustees
#82	Tienteh Chen	3	HP
#83	Tomoyuki Ishimine	3	Sumitomo Electric Industries
#84	Tobias A. Schaedler	3	Hrl Laboratories
#85	Yehoshua Sheinman	3	Landa Corporation
#86	Yoshinori Ejiri	3	Resonac
#87	Yoshinari Hashimoto	3	Jfe Steel
#88	Yosuke Inoue	3	Hitachi
#89	Yuki KAWANA	3	Showa Denko Materials Co.
#90	Yusuke Yamaguchi	3	Canon
#91	Aaron David Sinden	2	Novelis
#92	Adrian Lew	2	Xerox
#93	Adwait Thakur	2	Novelis
#94	Akiri URATA	2	Tokin
#95	Albin Effernelli	2	Compagnie Generale Des Etablissements Michelin
#96	Ali Shabbir	2	General Motors
#97	Alexander Staroselsky	2	RTX (Raytheon)
#98	Ananda Barua	2	GE
#99	Andrea Carboni	2	Danieli & C. Officine Meccaniche S.P.A.
#100	Antonio Gonzalez	2	Addup

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	37
2	HP	21
3	RTX (Raytheon)	15
#4	Xerox	14
#5	Rolls-Royce Plc	13
#6	General Motors	12
#7	Additive Technologies	11
#8	Novelis	9
#9	Desktop Metal	8
#10	Honda Motor Co.	8
#11	Jfe Steel	8
#12	Refractory Intellectual Property	8
#13	The Boeing	8
#14	LG	8
#15	Safran	7
#16	Safran Aircraft Engines	7
#17	Seiko Epson	7
#18	Unknown	7
#19	Arcelormittal	6
#20	Concept Laser, Gmbh	6
#21	Hrl Laboratories	6
#22	Sintokogio	6
#23	Toyota	6
#24	Arcam Ab	5
#25	BMW	5
#26	Danieli & C. Officine Meccaniche S.P.A.	5
#27	Divergent Technologies	5
#28	Fraunhofer	5
#29	Hilti Aktiengesellschaft	5
#30	Proterial	5
#31	Resonac	5
#32	Sumitomo Electric Industries	5
#33	Sumitomo Electric Sintered Alloy	5
#34	Addup	4
#35	Ask Chemicals Gmbh	4
#36	Baker Hughes Oilfield Operations	4
#37	Halliburton Energy Services	4
#38	Hamilton Sundstrand	4
#39	Kennametal	4
#40	Kobe Steel	4
#41	Krosakiharima	4
#42	Mitsubishi Electric	4
#43	Mitsui Mining & Smelting Co.	4
#44	Molten Metal Equipment Innovations	4
#45	Saudi Arabian Oil	4
#46	Schlumberger Technology	4
#47	Seurat Technologies	4
#48	Siemens Energy Global	4
#49	Citic Dicastal Co.	3
#50	CEA	3
#51	Dowa Electronics Materials Co.	3
#52	Goodrich	3
#53	Hüttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter Haftung	3
#54	Hyundai Motor	3
#55	Keystone Powdered Metal	3
#56	Kia	3
#57	KAIST	3
#58	Lawrence Livermore National Security	3
#59	Murata Manufacturing Co.	3
#60	Nikon Slm Solutions Ag	3
#61	Plansee Se	3
#62	Robert Bosch Gmbh	3
#63	Shanghai Jiao Tong University	3
#64	Shibaura Machine Co.	3
#65	Siemens Aktiengesellschaft	3
#66	Sodick Co.	3
#67	Stratasys	3
#68	Tanaka Kikinzoku Kogyo K.K.	3
#69	Taylor Made Golf Company	3
#70	Florida International University Board Of Trustees	3
#71	Toho Titanium Co.	3
#72	Tokin	3
#73	Ut-Battelle	3
#74	Vacuumschmelze Gmbh & Co. Kg	3
#75	Vesuvius Group, S.A.	3
#76	Wagstaff	3
#77	Apple	2
#78	3D Systems	2
#79	6K	2
#80	Aktiebolaget Skf	2
#81	Ald Vacuum Technologies Gmbh	2
#82	American Axle & Manufacturing	2
#83	Bae Systems Information And Electronic Systems Integration	2
#84	Battelle Energy Alliance	2
#85	CNRS	2
#86	Chemex Foundry Solutions Gmbh	2
#87	Chromalloy Gas Turbine	2
#88	Cleveland-Cliffs Steel Properties	2
#89	Collins Engine Nozzles	2
#90	Colorado School Of Mines	2
#91	Compagnie Generale Des Etablissements Michelin	2
#92	Entegris	2
#93	Heraeus Deutschland	2
#94	Hiroshima University	2
#95	Howmedica Osteonics	2
#96	Huttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter Haftung	2
#97	Indium	2
#98	Iowa State University	2
#99	Jeol	2
#100	Jx Metals	2

Metal casting Patent Leaders in 2024 2024

Patents per Year

Top Inventors

Top Companies