Coating metals Patent Leaders | Patent Leaderboard

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	Shunpei Yamazaki	123	Semiconductor Energy Laboratory
2	Gurtej S. Sandhu	94	Micron
3	Cheng-Shi Chen	87	Foxconn
#4	Wen-Rong Chen	84	Foxconn
#5	Hsin-Pei Chang	83	Foxconn
#6	Huann-Wu Chiang	82	Foxconn
#7	Thomas H. Baum	75	Advanced Technology & Materials Co.
#8	Ramgopal Darolia	74	GE
#9	Mei Chang	73	Micron
#10	Kenji Yamamoto	64	Sony
#11	Eric James Shero	63	Asm Ip Holding B.V.
#12	Juan Carlos Rocha-Alvarez	62	Applied Materials
#13	Jennifer Y. Sun	61	Applied Materials
#14	Tadahiro Ohmi	61	Fujikin Incorporated
#15	Adrien LaVoie	57	Lam Research
#16	Suvi Haukka	54	Asm Ip Holding B.V.
#17	Hitoshi Kato	53	Tokyo Electron Limited
#18	Bangalore Aswatha Nagaraj	52	GE
#19	John M. White	52	Applied Materials
#20	Mikko Ritala	51	Asm Ip Holding B.V.
#21	Joseph David Rigney	50	GE
#22	Karl Leeser	50	Lam Research
#23	Garo Derderian	49	Micron
#24	Markku Leskelä	47	Asm Ip Holding B.V.
#25	Xinjian Lei	45	Versum Materials Us
#26	Brian T. Hazel	44	RTX (Raytheon)
#27	Carl Louis White	44	Asm Ip Holding B.V.
#28	David A. Litton	44	RTX (Raytheon)
#29	Tony P. Chiang	44	Intermolecular
#30	Michael J. Maloney	43	RTX (Raytheon)
#31	Brian A. Vaartstra	42	Micron
#32	Hua Chung	42	Applied Materials
#33	Kazuhide Hasebe	42	Tokyo Electron Limited
#34	Masahiro Kanai	42	Canon
#35	Shinichi Kawato	41	Sharp Kabushiki Kaisha
#36	Cem Basceri	40	Micron
#37	Lawrence Chung-Lai Lei	40	Applied Materials
#38	Seshadri Ganguli	40	Applied Materials
#39	Eugene P. Marsh	38	Micron
#40	Ling Chen	38	Applied Materials
#41	Li-Qun Xia	38	Applied Materials
#42	Myung-Soo Huh	38	Samsung
#43	Naoji Fujimori	38	Sumitomo Electric Industries
#44	Satoshi Inoue	38	Sharp Kabushiki Kaisha
#45	Srinivas D. Nemani	38	Applied Materials
#46	Visweswaren Sivaramakrishnan	38	Applied Materials
#47	Gregory McGraw	37	Comcast
#48	Muhammad M. Rasheed	37	Applied Materials
#49	Soo Young Choi	37	Applied Materials
#50	Tue Nguyen	37	Sharp Kabushiki Kaisha
#51	Joseph Yudovsky	36	Applied Materials
#52	Nathan Feldstein	36	Surface Tech
#53	Sakari Ruppi	36	Seco Tools Ab
#54	Timo Hatanpää	36	Asm Ip Holding B.V.
#55	Yixiong Liu	36	Kennametal
#56	Abhijit Basu Mallick	35	Applied Materials
#57	Amit Kumar BANSAL	35	Applied Materials
#58	Irene Spitsberg	35	GE
#59	Joseph T. Hillman	35	Tokyo Electron Limited
#60	Marko Tuominen	35	Asm Ip Holding B.V.
#61	Ming Xi	35	Applied Materials
#62	Bjorn Ljungberg	34	Sandvik Ab
#63	Christopher W. Strock	34	RTX (Raytheon)
#64	Mohith Verghese	34	Asm America
#65	Chongying Xu	33	Advanced Technology & Materials Co.
#66	Dien-Yeh Wu	33	Applied Materials
#67	Ludovic Godet	33	Applied Materials
#68	Mark Saly	33	Applied Materials
#69	Sanjeev Baluja	33	Applied Materials
#70	Jurgen Ramm	32	Oerlikon Surface Solutions Ag, Pfäffikon
#71	Jun Zhao	32	—
#72	Katsuhiko Kishimoto	32	Sakai Display Products
#73	Katsunari Obata	32	Dai Nippon Printing Co.
#74	Manabu Honma	32	Tokyo Electron Limited
#75	Tohru Sonoda	32	Sharp Kabushiki Kaisha
#76	Bryan C. Hendrix	31	Advanced Technology & Materials Co.
#77	Keith A. Miller	31	Applied Materials
#78	Manchao Xiao	31	Versum Materials Us
#79	Pekka Soininen	31	Interuniversitair Micro-Electronica Centrum Vzw
#80	Ramesh Chandrasekharan	31	Lam Research
#81	Robert William Bruce	31	GE
#82	William E. Quinn	31	Comcast
#83	Akihiro Goto	30	Mitsubishi Electric
#84	Chikao Ikenaga	30	Dai Nippon Printing Co.
#85	Craig M. Carpenter	30	Micron
#86	David K. Carlson	30	Applied Materials
#87	Ellie Yieh	30	Applied Materials
#88	Jianhua Zhou	30	Applied Materials
#89	Jon Conrad Schaeffer	30	GE
#90	Pravin K. Narwankar	30	Applied Materials
#91	Siegfried Krassnitzer	30	Oerlikon Surface Solutions Ag, Pfäffikon
#92	Ganesh Balasubramanian	29	Applied Materials
#93	Pekka Soininen	29	Beneq Oy
#94	Toshihiko Takeda	29	Canon
#95	Veit Schier	29	Walter Ag
#96	Vincent Ku	29	Applied Materials
#97	Alfred Mak	28	Applied Materials
#98	Jeffrey W. Elam	28	Uchicago Argonne
#99	John M. Pinneo	28	Crystallume
#100	Ramesh Subramanian	28	Siemens Energy

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Applied Materials	1,946
2	Tokyo Electron Limited	1,080
3	Samsung	828
#4	GE	761
#5	Micron	487
#6	RTX (Raytheon)	423
#7	IBM	411
#8	Lam Research	353
#9	Canon	352
#10	Asm Ip Holding B.V.	338
#11	Sumitomo Electric Industries	306
#12	TSMC	217
#13	Hitachi	204
#14	Mitsubishi Electric	204
#15	Hitachi Kokusai Electric	198
#16	Novellus Systems	198
#17	Kabushiki Kaisha Toshiba	196
#18	Foxconn	195
#19	Nippon Steel	194
#20	Semiconductor Energy Laboratory	192
#21	BOE	187
#22	Kokusai Electric	169
#23	US Air Force	168
#24	Unknown	168
#25	Siemens Aktiengesellschaft	164
#26	Honeywell	161
#27	Sony	138
#28	Jfe Steel	137
#29	E.I. Du Pont De Nemours And	132
#30	Eastman Kodak	129
#31	Fujitsu Limited	128
#32	Henkel Limited	126
#33	Sharp Kabushiki Kaisha	121
#34	Kobe Steel	120
#35	Air Products And Chemicals	116
#36	Asm International N.V.	109
#37	Mitsubishi Materials	109
#38	Jx Nippon Mining & Metals	108
#39	Praxair Technology	108
#40	The Boeing	107
#41	Posco Co.	105
#42	Tencent	103
#43	Oerlikon Surface Solutions Ag, Pfäffikon	102
#44	University of California	102
#45	Ulvac	101
#46	Anelva	99
#47	Toyota	98
#48	3M	96
#49	Advanced Technology & Materials Co.	95
#50	Nec	95
#51	Texas Instruments	95
#52	Betz Laboratories	94
#53	Kennametal	94
#54	Nippon Steel & Sumitomo Metal	94
#55	Dai Nippon Printing Co.	93
#56	Seagate Technology	92
#57	Leybold Gmbh	90
#58	Ford	90
#59	LG	90
#60	Rolls-Royce Plc	87
#61	General Motors	86
#62	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	85
#63	Asm America	80
#64	Shin-Etsu Chemical Co.	79
#65	Sandvik Ab	76
#66	CEA	73
#67	Intermolecular	73
#68	Seco Tools Ab	73
#69	Honda Motor Co.	72
#70	AT&T	70
#71	Basf Se	68
#72	Henkel Ag & Co. Kgaa	68
#73	Nippon Paint Holdings Co.	68
#74	Asm Japan K.K.	67
#75	Kobe Steel	67
#76	Balzers Aktiengesellschaft	66
#77	Rohm And Haas Electronic Materials	66
#78	Sandvik Intellectual Property Ab	66
#79	Ebara	64
#80	Motorola	64
#81	Fujifilm	63
#82	Halliburton Energy Services	63
#83	AMD	61
#84	Henkel Kommanditgesellschaft Auf Aktien	61
#85	Nisshin Steel Co.	61
#86	Panasonic	61
#87	Tdk	60
#88	US Dept of Energy	60
#89	Atotech Deutschland	59
#90	U.S. Philips	59
#91	Arcelormittal	58
#92	Kawasaki Steel	58
#93	Entegris	56
#94	Fraunhofer	56
#95	Korea Institute Of Science And Technology	55
#96	Nissan Motor Co.	55
#97	Ordos Yuansheng Optoelectronics Co.	53
#98	Seiko Epson	53
#99	ExxonMobil	53
#100	CNRS	52

Coating metals Patent Leaders All Time

Patents per Year

Top Inventors

Top Companies