Heat exchange Patent Leaders 2021

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	Yoshihiro Machida	10	Shinko Electric Industries Co.
2	Yoshikatsu Inagaki	7	Furukawa Electric Co.
3	Brian Magann Rush	5	GE
#4	Kenya Kawabata	5	Furukawa Electric Co.
#5	Achim Gotterbarm	4	Wieland-Werke Ag
#6	Jean El Hajal	4	—
#7	Masanori Jindou	4	Daikin Industries
#8	Manfred Knab	4	Wieland-Werke Ag
#9	Marcello Masgrau	4	Alfa Laval Corporate Ab
#10	Michael Doe	4	Hamilton Sundstrand
#11	Ronald Lutz	4	Wieland-Werke Ag
#12	Tomohiko Sakamaki	4	Daikin Industries
#13	Yoshio Oritani	4	Daikin Industries
#14	Abbas A. Alahyari	3	Hamilton Sundstrand
#15	Alan Retersdorf	3	Hamilton Sundstrand
#16	Albrecht Siegel	3	Mahle International Gmbh
#17	Avijit Bhunia	3	Teledyne Scientific & Imaging
#18	Berwyn Pollard	3	Hs Marston Aerospace Limited
#19	Brian P. Tucker	3	Mainstream Engineering
#20	Chien-Yu Chen	3	Auras Technology Co.
#21	Chien-An Chen	3	Auras Technology Co.
#22	Christiane Kerber	3	Linde Gmbh
#23	Chih-Kai Yang	3	Inventec
#24	Corey Bourassa	3	GE
#25	David Andrew Aaron	3	Baltimore Aircoil Company
#26	Dongming Tan	3	Caterpillar
#27	Ercan Mehmet Dede	3	Stanford University
#28	Fabrice Chopard	3	Hutchinson
#29	Giovanni Manenti	3	Alfa Laval Olmi S.P.A.
#30	Hirofumi Aoki	3	Nec
#31	Hiroaki Matsuda	3	Combi
#32	Jack Leon Esformes	3	Carrier
#33	Joshua D. Sole	3	Mainstream Engineering
#34	Joseph Turney	3	Hamilton Sundstrand
#35	John H. Whiton	3	Hamilton Sundstrand
#36	Justin J. Hill	3	Mainstream Engineering
#37	Kazuaki Aotani	3	Furukawa Electric Co.
#38	Karthik Kumar Bodla	3	GE
#39	Ken Satou	3	Daikin Industries
#40	Kouju Yamada	3	Daikin Industries
#41	Leo Somhorst	3	Hanon Systems
#42	Luke J. Mayo	3	Hamilton Sundstrand
#43	Mamoru Houfuku	3	Hitachi-Johnson Controls Air Conditioning
#44	Martin Sopuch	3	Hanon Systems
#45	Manfred Steinbauer	3	Linde Gmbh
#46	Michael A. Disori	3	RTX (Raytheon)
#47	Michael Nikkhoo	3	Microsoft
#48	Michel Vouche	3	Spx Cooling Technologies
#49	Norihiro Yoneda	3	Mitsubishi Electric
#50	Paul A. Phillips	3	—
#51	Peter Sturt Lynn	3	Other Lab
#52	Ram Ranjan	3	Hamilton Sundstrand
#53	Robert P. Scaringe	3	Mainstream Engineering
#54	Saul Griffith	3	Other Lab
#55	Satoshi Inoue	3	Sharp Kabushiki Kaisha
#56	Satish G. Kandlikar	3	Rochester Institute Of Technology
#57	Scott Garner	3	Thermal
#58	Shailesh N. Joshi	3	Toyota
#59	Simon Hund	3	Mahle International Gmbh
#60	Tatsuro Miura	3	Furukawa Electric Co.
#61	Tadej Semenic	3	Teledyne Scientific & Imaging
#62	Thomas W. Bugler	3	Evapco
#63	Toshiaki Nakamura	3	Panasonic
#64	Tomoya Yamaguchi	3	Semiconductor Energy Laboratory
#65	Vincent Domenic Romanin	3	Other Lab
#66	William Dwight Gerstler	3	GE
#67	William P. Stillman	3	RTX (Raytheon)
#68	Yosuke Watanabe	3	Furukawa Electric Co.
#69	Adrien Benusiglio	2	Other Lab
#70	Adam Rutkowski	2	Other Lab
#71	Adrian Ware	2	Senior Uk Limited
#72	Ahmet T. Becene	2	Hamilton Sundstrand
#73	Akram Hamed Mohamed Kamel	2	Saudi Arabian Oil
#74	Alexander Broulidakis	2	RTX (Raytheon)
#75	Ali CHEHADE	2	Ovh
#76	Andrew Bissell	2	Sunamp Limited
#77	Andrew Thomas Cross	2	GE
#78	Anthony Staniulis, Jr.	2	—
#79	Atsushi Okubo	2	Sony
#80	Benjamin A. Kenney	2	Dana Canada
#81	Boris Chauvet	2	Hutchinson
#82	Christophe Deleplanque	2	—
#83	Christian Hirsch	2	Zehnder Group International Ag
#84	Cheng-Wen Hsieh	2	Acer Incorporated
#85	Chih-Yeh Lin	2	Asia Vital Components Co.
#86	Chun-Hung Lin	2	TSMC
#87	Charles Penny	2	Senior Uk Limited
#88	Christian Riondet	2	Valeo Systemes Thermiques
#89	Chien-Hung Sun	2	Celsia Technologies Taiwan
#90	Chi-Chuan Wang	2	National Chiao Tung University
#91	Dan-Jun Chen	2	Asia Vital Components Co.
#92	Daniel Jason Erno	2	GE
#93	David Brian Glickman	2	Ford
#94	Dave J. Hyland	2	RTX (Raytheon)
#95	Daisuke Ito	2	Panasonic
#96	Darshan Arun Nayak	2	Ford
#97	Daisuke TSUNODA	2	Ihi
#98	Donald E. Army	2	Hamilton Sundstrand
#99	Durai Duraiswamy	2	Hanon Systems
#100	Ephraim Joseph	2	Hamilton Sundstrand

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Hamilton Sundstrand	28
2	Denso	16
3	Shinko Electric Industries Co.	13
#4	Asia Vital Components Co.	11
#5	GE	11
#6	Mitsubishi Electric	10
#7	RTX (Raytheon)	10
#8	Alfa Laval Corporate Ab	9
#9	Furukawa Electric Co.	9
#10	Hanon Systems	9
#11	Mahle International Gmbh	9
#12	Denso International America	8
#13	IBM	7
#14	Dana Canada	6
#15	Valeo Systemes Thermiques	6
#16	Carrier	5
#17	Evapco	5
#18	Hs Marston Aerospace Limited	5
#19	Unknown	5
#20	LG	5
#21	Toyota	5
#22	Arvos Ljungstrom	4
#23	Cooler Master Co.	4
#24	Daikin Industries	4
#25	Inventec	4
#26	Inventec (Pudong) Technology	4
#27	Linde Gmbh	4
#28	Modine Manufacturing	4
#29	Rheem Manufacturing	4
#30	Saudi Arabian Oil	4
#31	T.Rad Co.	4
#32	Unison Industries	4
#33	Wieland-Werke Ag	4
#34	Caterpillar	4
#35	Ford	4
#36	Alfa Laval Olmi S.P.A.	3
#37	Auras Technology Co.	3
#38	Baltimore Aircoil Company	3
#39	Danfoss Micro Channel Heat Exchanger (Jiaxing) Co.	3
#40	Delta Electronics	3
#41	Hitachi-Johnson Controls Air Conditioning	3
#42	Hutchinson	3
#43	Ihi	3
#44	Kyungdong Navien Co.	3
#45	Mainstream Engineering	3
#46	Ngk Insulators	3
#47	Other Lab	3
#48	Rochester Institute Of Technology	3
#49	Senior Uk Limited	3
#50	Teledyne Scientific & Imaging	3
#51	The Boeing	3
#52	Xi'An Jiaotong University	3
#53	Microsoft	3
#54	Samsung	3
#55	Applied Materials	2
#56	Aavid Thermal	2
#57	Acer Incorporated	2
#58	Advanced Cooling Technologies	2
#59	Asia Vital Components (China) Co.	2
#60	Fluid Handling	2
#61	Fuelcell Energy	2
#62	Fujitsu Limited	2
#63	Holtec International	2
#64	Johnson Controls Technology	2
#65	Kobe Steel	2
#66	Marelli Cabin Comfort Japan	2
#67	Murata Manufacturing Co.	2
#68	Nec	2
#69	Ovh	2
#70	Rebound Technologies	2
#71	Rinnai	2
#72	Safran Aircraft Engines	2
#73	Siemens Gamesa Renewable Energy	2
#74	Spx Cooling Technologies	2
#75	Sunamp Limited	2
#76	Taiwan Microloops	2
#77	University Of Texas System	2
#78	United Arab Emirates University	2
#79	Zehnder Group International Ag	2
#80	ExxonMobil	2
#81	Qualcomm	2
#82	Amazon	1
#83	AMD	1
#84	Aavid Thermalloy	1
#85	Abb Schweiz Ag	1
#86	Ablecom Technology	1
#87	Advanced Steam Technology Company	1
#88	Advanced Thermal Solutions	1
#89	Aem Singapore Pte.	1
#90	Airbus Defence And Space Sas	1
#91	Alliance For Sustainable Energy	1
#92	Alstom Transport Technologies	1
#93	Ansaldo Energia Switzerland Ag	1
#94	Arvos Gmbh	1
#95	At&S Austria Technologie & Systemtechnik	1
#96	Balboa Water Group	1
#97	Basf Se	1
#98	Battelle Energy Alliance	1
#99	Beijing Goldwind Science & Creation Windpower Equipment Co.	1
#100	Brazeway	1

Heat exchange Patent Leaders in 2021 2021

Patents per Year

Top Inventors

Top Companies