Heat exchange 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	Akira Ishibashi	40	Mitsubishi Electric
2	Ralf Blomgren	40	Alfa Laval Corporate Ab
3	Yoshihiro Machida	37	Shinko Electric Industries Co.
#4	Kunihiko Nishishita	35	Zexel Gmbh
#5	Chuen-Shu Hou	33	Foxconn Technology Group Co.
#6	Eldon F. Mockry	33	Spx Cooling Technologies
#7	Robert E. Simons	33	IBM
#8	Shrikant Mukund Joshi	32	Delphi Technologies
#9	Michael J. Ellsworth, Jr.	30	IBM
#10	Ohler L. Kinney, Jr.	30	Marley Cooling Tower Company
#11	Richard C. Chu	30	IBM
#12	Tay-Jian Liu	30	Foxconn Technology Group Co.
#13	Chao-Nien Tung	29	Foxconn Technology Group Co.
#14	Mohinder Singh Bhatti	29	Delphi Technologies
#15	Shinya Higashiiue	29	Mitsubishi Electric
#16	Ercan Mehmet Dede	28	Stanford University
#17	Karl-Heinz Staffa	28	Behr Gmbh &
#18	Mahmoud Bahy Mahmoud Noureldin	28	Saudi Arabian Oil
#19	Tsung-Hsien Huang	28	TSMC
#20	David Andrew Aaron	27	Baltimore Aircoil Company
#21	Madhusudan K. Iyengar	27	IBM
#22	Jack Leon Esformes	26	Carrier
#23	Christoph Walter	25	Behr Gmbh &
#24	Michel Potier	25	Valeo Thermique Moteur
#25	Sheng-Huang Lin	25	Asia Vital Components Co.
#26	Tai-Her Yang	25	Unknown
#27	Levi A. Campbell	24	IBM
#28	Lei Liu	24	Foxconn
#29	Michael F. Taras	24	Carrier
#30	Naohisa Higashiyama	24	Showa Denko K.K.
#31	Thomas W. Bugler	24	Evapco
#32	Yoshikatsu Inagaki	24	Furukawa Electric Co.
#33	Yoshio Oritani	24	Daikin Industries
#34	Daisuke Ito	23	Panasonic
#35	Masanori Jindou	23	Daikin Industries
#36	Roland Strahle	23	Modine Manufacturing
#37	Takaaki Sakane	23	Denso
#38	Kenya Kawabata	22	Furukawa Electric Co.
#39	Ken Yamamoto	22	Ntn
#40	Tatsuo Ozaki	22	Denso
#41	Eiichi Torigoe	21	Denso
#42	Gregory G. Hughes	21	Modine Manufacturing
#43	Hani Mohammed Al Saed	21	Saudi Arabian Oil
#44	Mark G. Voss	21	Modine Manufacturing
#45	Qiang Gao	21	Sanhua (Hangzhou) Micro Channel Heat Exchanger Co.
#46	Roger R. Schmidt	21	IBM
#47	Shigeyoshi MATSUI	21	Mitsubishi Electric
#48	Tomohiro Chiba	21	Sanden
#49	William Dwight Gerstler	21	GE
#50	Eugene E. Rhodes	20	Ford
#51	Masahiro Shimoya	20	Denso
#52	Michel Vouche	20	Spx Cooling Technologies
#53	Soichi Kato	20	Zexel Gmbh
#54	Thomas P. Carter	20	Baltimore Aircoil Company
#55	Yoshiyuki Yamauchi	20	Nippondenso Co.
#56	Abbas A. Alahyari	19	Hamilton Sundstrand
#57	Chun-Chi Chen	19	Foxconn Technology Group Co.
#58	Enrico Rizzi	19	Methanol Casale Sa
#59	Jean-Pierre Libert	19	Evapco
#60	Jorg Soldner	19	Modine Manufacturing
#61	Joseph Turney	19	Hamilton Sundstrand
#62	Ryoichi Hoshino	19	Showa Aluminum
#63	Seiji Inoue	19	Denso
#64	Sven Andersson	19	Swep International Ab
#65	Cecil C. Gentry	18	Phillips Petroleum
#66	Chih-Hsien Sun	18	Foxconn Technology Group Co.
#67	Hans-Joachim Krauss	18	Behr Gmbh &
#68	Han-Min Liu	18	Asia Vital Components (China) Co.
#69	Hul-Chun Hsu	18	Jaffe Limited
#70	Masataka Mochizuki	18	Fujikura
#71	Michiyasu Yamamoto	18	Denso
#72	Ronggui Yang	18	Kelvin Thermal Technologies
#73	Bruno Agostini	17	Abb Schweiz Ag
#74	Carlos Martins	17	Valeo Thermique Moteur
#75	Chih-Hung Cheng	17	Cpumate
#76	Chien-Hung Sun	17	Celsia Technologies Taiwan
#77	Daniel Jason Erno	17	GE
#78	Jeffrey Douglas Rambo	17	GE
#79	Ken Hsu	17	Cpumate
#80	Prasad S. Kadle	17	Delphi Technologies
#81	Sangmu Lee	17	Mitsubishi Electric
#82	Shun Yoshioka	17	Daikin Industries
#83	Yasutoshi Yamanaka	17	Denso
#84	Allan K. So	16	Dana Canada
#85	Amar S. Wanni	16	ExxonMobil
#86	Atsushi Mochizuki	16	Mitsubishi Electric
#87	Christian Riondet	16	Valeo Systemes Thermiques
#88	Doug Vanderwees	16	Dana Canada
#89	Etsuo Hasegawa	16	Nec
#90	Herbert Damsohn	16	Behr Gmbh &
#91	Hirofumi Aoki	16	Nec
#92	Hisao Aoki	16	Sanden
#93	Hiroyuki Osakabe	16	Denso
#94	Hironaka Sasaki	16	Showa Aluminum
#95	Hiroyuki Sumitomo	16	Hisaka Works
#96	Ilya Reyzin	16	Delphi Technologies
#97	James D. Seebald	16	Abb Air Preheater
#98	Jidong Yang	16	Spx Cooling Technologies
#99	Karl Paul Kroetsch	16	Delphi Technologies
#100	Kenneth M. A. Abels	16	Dana Canada

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Denso	340
2	Modine Manufacturing	252
3	Mitsubishi Electric	240
#4	Hamilton Sundstrand	206
#5	GE	180
#6	Alfa Laval Corporate Ab	166
#7	Carrier	164
#8	Mahle International Gmbh	142
#9	General Motors	130
#10	IBM	130
#11	Asia Vital Components Co.	126
#12	Unknown	126
#13	RTX (Raytheon)	115
#14	Dana Canada	109
#15	Foxconn Technology Group Co.	103
#16	Behr Gmbh &	102
#17	Valeo Thermique Moteur	98
#18	Sanden	96
#19	LG	92
#20	Toyota	92
#21	Westinghouse Electric	90
#22	The Boeing	89
#23	Valeo Systemes Thermiques	89
#24	Calsonic Kansei	87
#25	Hitachi	86
#26	Delphi Technologies	85
#27	Nippondenso Co.	83
#28	Furukawa Electric Co.	82
#29	Baltimore Aircoil Company	81
#30	Ford	81
#31	Honeywell	80
#32	Daikin Industries	76
#33	Hanon Systems	75
#34	Behr Gmbh & Co. Kg	73
#35	Samsung	67
#36	Phillips Petroleum	65
#37	Zexel Gmbh	65
#38	Cooler Master Co.	64
#39	Showa Denko K.K.	64
#40	Intel	64
#41	Showa Aluminum	62
#42	The Babcock & Wilcox	62
#43	Denso International America	57
#44	US Air Force	56
#45	Caterpillar	56
#46	Honda Motor Co.	53
#47	Visteon Global Technologies	53
#48	Fu Zhun Precision Industry (Shen Zhen) Co.	51
#49	Spx Cooling Technologies	50
#50	Uop	50
#51	Saudi Arabian Oil	49
#52	ExxonMobil	49
#53	Valeo	47
#54	Evapco	45
#55	Lockheed Martin	45
#56	Abb Air Preheater	44
#57	Kabushiki Kaisha Toshiba	44
#58	Thermal	44
#59	Panasonic	44
#60	Siemens Aktiengesellschaft	43
#61	Delta Electronics	42
#62	Linde Gmbh	42
#63	Ngk Insulators	42
#64	Shinko Electric Industries Co.	42
#65	Hyundai Motor	40
#66	The Air Preheater Company	37
#67	T.Rad Co.	37
#68	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	35
#69	CEA	34
#70	Sanhua (Hangzhou) Micro Channel Heat Exchanger Co.	34
#71	Trane International	34
#72	Combustion Engineering	32
#73	Kobe Steel	32
#74	Wieland-Werke Ag	32
#75	Fujitsu Limited	31
#76	Danfoss A/S	30
#77	MIT	30
#78	Rheem Manufacturing	30
#79	Sumitomo Electric Industries	30
#80	Halla Climate Control	29
#81	US Dept of Energy	29
#82	Johnson Controls Technology	28
#83	Calsonic	27
#84	E.I. Du Pont De Nemours And	26
#85	NASA	26
#86	Kobe Steel	25
#87	Long Manufacturing	25
#88	Rolls-Royce Plc	25
#89	Alfa Laval Thermal Ab	24
#90	Foxconn	24
#91	Thermacore	24
#92	Danfoss Micro Channel Heat Exchanger (Jiaxing) Co.	23
#93	Mtu Motoren-Und Turbinen-Union Mãƒâ¼Nchen Gmbh	23
#94	Shell Oil Compny	23
#95	Sulzer Brothers Limited	23
#96	Sumitomo Light Metal Industries	23
#97	Sumitomo Precision Products Co.	23
#98	Basf Se	22
#99	Foster Wheeler Energy Limited	22
#100	Fujikura	22

Heat exchange Patent Leaders All Time

Patents per Year

Top Inventors

Top Companies