Metal casting 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	Grant O. Cook, III	9	Halliburton Energy Services
2	John Joseph Marcin	8	RTX (Raytheon)
3	Garrett T. Olsen	7	Halliburton Energy Services
#4	Steven J. Bullied	7	RTX (Raytheon)
#5	Clayton A. Ownby	6	Halliburton Energy Services
#6	Jeffrey G. Thomas	6	—
#7	Kazuyuki Tsutsumi	6	Kobe Steel
#8	Zhiyue Xu	6	—
#9	Daniel Brendan Voglewede	5	Halliburton Energy Services
#10	Joseph Leonard Moroso	5	GE
#11	Stephen Francis Rutkowski	5	GE
#12	Stanley Frank Simpson	5	GE
#13	Akihiro Yamanaka	4	Canon
#14	George L. Athens	4	Dow Global Technologies
#15	Heinz Deters	4	Ask Chemicals Gmbh
#16	Paul V. Cooper	4	Molten Metal Equipment Innovations
#17	Patrick T. McGough	4	Dow Global Technologies
#18	Prabhjot Singh	4	GE
#19	Srikanth Chandrudu Kottilingam	4	GE
#20	Thomas N. Slavens	4	RTX (Raytheon)
#21	Yee Ling Kwan	4	RTX (Raytheon)
#22	Alan D. Cetel	3	RTX (Raytheon)
#23	Andrew Tan	3	RTX (Raytheon)
#24	Brooks E. Snyder	3	RTX (Raytheon)
#25	Canan Uslu Hardwicke	3	GE
#26	Carl R. Verner	3	RTX (Raytheon)
#27	CAI-HUA WANG	3	Foxconn Technology Group Co.
#28	Chun-Jung Chang	3	Foxconn Technology Group Co.
#29	Changhai Li	3	Citic Dicastal Co.
#30	Chen-Shen Lin	3	Foxconn Technology Group Co.
#31	David Edward Schick	3	GE
#32	Dilip M. Shah	3	RTX (Raytheon)
#33	Eisuke Kurosawa	3	Kobe Steel
#34	Gerald J. Bruck	3	Siemens Energy
#35	Hidetaka Kanahashi	3	Kobe Steel
#36	Hirotsune Watanabe	3	Toyota
#37	Hongbiao Li	3	Citic Dicastal Co.
#38	Janet M. Goss	3	Dow Global Technologies
#39	JinQuan Xu	3	RTX (Raytheon)
#40	Jonathan D. Lunn	3	Dow Global Technologies
#41	Joerg Schaefer	3	Moeller Gmbh
#42	Joseph Stevick	3	Apple
#43	Mario P. Bochiechio	3	RTX (Raytheon)
#44	Masaomi Mitsutake	3	Toyota
#45	Martin Oberleiter	3	Ask Chemicals Gmbh
#46	Michael Douglas Arnett	3	GE
#47	Michael Biemel	3	Chemex
#48	Richard A. Patyk	3	Dow Global Technologies
#49	Robin P. Ziebarth	3	Dow Global Technologies
#50	Sergey Mironets	3	RTX (Raytheon)
#51	Sean O'Keeffe	3	Apple
#52	Shih Han Wong	3	RTX (Raytheon)
#53	Takehiro Nakaoka	3	Kobe Steel
#54	Thomas Schaefer	3	Gtp Schäfer Gießtechnische Produkte Gmbh
#55	Timothy Michael Moricca	3	GE
#56	Vincent D. Fontana	3	Molten Metal Equipment Innovations
#57	Wen-Hsiung Chang	3	Ineffable Cellular Limited Liability
#58	Wei Wang	3	C.C.P.Contact Probes Co.
#59	Yao Hui Chee	3	RTX (Raytheon)
#60	Yan Seng Loh	3	RTX (Raytheon)
#61	YUE-JIAN LI	3	Foxconn Technology Group Co.
#62	Yuan Kwang Lim	3	RTX (Raytheon)
#63	Adam A. Verreault	2	Crucible Intellectual Property
#64	Ahmed Kamel	2	Siemens Energy
#65	Aiko Hirata	2	Dowa Electronics Materials Co.
#66	Akihiro Miyazawa	2	Dowa Electronics Materials Co.
#67	Alexander Staroselsky	2	RTX (Raytheon)
#68	Anthony A. DiGiovanni	2	Baker Hughes Holdings
#69	Antoni Gieniec	2	Ask Chemicals Gmbh
#70	Andreas Jakimov	2	Mtu Aero Engines Ag
#71	Andrew Sherman	2	Terves
#72	Benjamin Paul Lacy	2	GE
#73	Benno Steiner	2	Stopinc Aktiengesellschaft
#74	Brian Doud	2	Powdermet
#75	Christopher Ronald Killmore	2	Nucor
#76	Christopher D. Prest	2	Apple
#77	Christof Volks	2	Foseco International Limited
#78	David A. Bryce	2	Clene Nanomedicine
#79	Daniel Clark	2	Rolls-Royce Plc
#80	David Kyle Pierce	2	Gr Intellectual Reserve
#81	Danny E. Scott	2	Baker Hughes Holdings
#82	Dennis Bartels	2	Ask Chemicals Gmbh
#83	Deuk Hyoun Heo	2	Washington State University
#84	Dirk Sterkenburg	2	Seco Tools Ab
#85	François Marques	2	Safran Aircraft Engines
#86	Fumihiro Sakuma	2	Keihin
#87	George J. Frycek	2	Dow Global Technologies
#88	Harry Lester Kington	2	Honeywell
#89	Hannes Lincke	2	Ask Chemicals Gmbh
#90	Hideto Oyama	2	Kobe Steel
#91	Hiroshi Takahashi	2	Ricoh Company
#92	Isao Fuwa	2	Panasonic
#93	James Geoffrey Williams	2	Nucor
#94	Jean-Marc SEGAUD	2	BMW
#95	John S. Agapiou	2	General Motors
#96	John F. Blondin	2	RTX (Raytheon)
#97	Jörg Körschgen	2	Ask Chemicals Gmbh
#98	Joseph C. Poole	2	Apple
#99	Kaoru Kitakizaki	2	Meidensha
#100	Kazuhiko Terashima	2	Sintokogio

Top Companies

Rank ↑	Company ↕	Patents ↕
1	RTX (Raytheon)	30
2	GE	25
3	Halliburton Energy Services	11
#4	Kobe Steel	9
#5	Rolls-Royce Plc	9
#6	Toyota	9
#7	Baker Hughes Holdings	8
#8	Nippon Steel & Sumitomo Metal	8
#9	Sintokogio	8
#10	Ask Chemicals Gmbh	7
#11	Apple	6
#12	Nucor	6
#13	General Motors	6
#14	Hitachi	5
#15	Toshiba Kikai	5
#16	Chemex	4
#17	Citic Dicastal Co.	4
#18	Dowa Electronics Materials Co.	4
#19	Dow Global Technologies	4
#20	Molten Metal Equipment Innovations	4
#21	Safran Aircraft Engines	4
#22	Siemens Aktiengesellschaft	4
#23	BMW	3
#24	Gtp Schäfer Gießtechnische Produkte Gmbh	3
#25	Honda Motor Co.	3
#26	Jfe Steel	3
#27	Mtu Aero Engines Ag	3
#28	Rolls-Royce Deutschland	3
#29	Santoku	3
#30	Siemens Energy	3
#31	The Boeing	3
#32	Honeywell	3
#33	AT&T	2
#34	Akebono Brake Industry Co.	2
#35	Almex Usa	2
#36	Baoshan Iron & Steel Co.	2
#37	Byd Company Limited	2
#38	Chung Chwan Enterprise Co.	2
#39	Clene Nanomedicine	2
#40	Council Of Scientific And Industrial Research	2
#41	Crucible Intellectual Property	2
#42	Delavan	2
#43	Denso	2
#44	Fill Gesellschaft M.B.H.	2
#45	Foseco International Limited	2
#46	Foxconn Technology Group Co.	2
#47	Fu Zhun Precision Industry (Shen Zhen) Co.	2
#48	Hamilton Sundstrand	2
#49	Henkel Ag & Co. Kgaa	2
#50	Hitachi Chemical Company	2
#51	Ingersoll-Rand	2
#52	Keihin	2
#53	King Saud University	2
#54	Korea Institute Of Industrial Technology	2
#55	Magna International	2
#56	Meidensha	2
#57	Miba Sinter Austria Gmbh	2
#58	Mikro Systems	2
#59	National Technology & Engineering Solutions Of Sandia	2
#60	National University Corporation Nagoya University	2
#61	National University Corporation Toyohashi University Of Technology	2
#62	National University Corporation Yamagata University	2
#63	Nemak, S.A.B. De C.V.	2
#64	Nissan Motor Co.	2
#65	Persimmon Technologies	2
#66	Posco Co.	2
#67	Powdermet	2
#68	Primetals Technologies Austria Gmbh	2
#69	Pyrotek Engineering Materials Limited	2
#70	Refractory Intellectual Property	2
#71	Retech Systems	2
#72	Sanyo Special Steel Co.	2
#73	Senju Metal Industry Co.	2
#74	Stopinc Aktiengesellschaft	2
#75	Sumitomo Electric Industries	2
#76	Sumitomo Metal Mining Co.	2
#77	Tanaka Kikinzoku Kogyo K.K.	2
#78	Toho Titanium Co.	2
#79	Toyo Machinery & Metal Co.	2
#80	Vesuvius Group, S.A.	2
#81	Vesuvius U S A	2
#82	Washington State University	2
#83	Ford	2
#84	Panasonic	2
#85	AMD	1
#86	3D Systems	1
#87	Ahuratech	1
#88	Aida Engineering	1
#89	Akechi Ceramics Co.	1
#90	All-Clad Metalcrafters, L.L.C.	1
#91	Alpha Assembly Solutions	1
#92	Ansaldo Energia Ip Uk Limited	1
#93	Applied Nanoparticle Laboratory	1
#94	Ask Chemicals	1
#95	Belenos Clean Power Holding Ag	1
#96	Bloom Energy	1
#97	Board Of Trustees Of Western Michigan University	1
#98	Brunswick	1
#99	Caltech	1
#100	Cameron International	1

Metal casting Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies