Heat exchange Patent Leaders 2022

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	Han-Min Liu	7	Asia Vital Components (China) Co.
2	Brian St. Rock	6	Hamilton Sundstrand
3	Lei Liu	6	Foxconn
#4	Gabriel Ruiz	5	Hamilton Sundstrand
#5	Ram Ranjan	5	Hamilton Sundstrand
#6	Shinya Higashiiue	5	Mitsubishi Electric
#7	Takuo Wakaoka	5	Murata Manufacturing Co.
#8	Tsuyoshi Maeda	5	Seiko Epson
#9	Xiao-Xiang Zhou	5	Asia Vital Components Co.
#10	Yoshihiro Machida	5	Shinko Electric Industries Co.
#11	Ahmet T. Becene	4	Hamilton Sundstrand
#12	Chia-Yu Lin	4	Cooler Master Co.
#13	James Streeter	4	Hamilton Sundstrand
#14	Jeffrey Douglas Rambo	4	GE
#15	Jian Zhang	4	Shanghai United Imaging Healthcare Co.
#16	Joseph Turney	4	Hamilton Sundstrand
#17	Shan-Yin Cheng	4	Cooler Master Co.
#18	Shigeyoshi MATSUI	4	Mitsubishi Electric
#19	Tatsuo Kawaguchi	4	Ngk Insulators
#20	Thomas M. Yun	4	Hamilton Sundstrand
#21	Yutaro FUMOTO	4	Ngk Insulators
#22	Akira YATSUYANAGI	3	Mitsubishi Electric
#23	Andrew Bissell	3	Sunamp Limited
#24	Arindom Joardar	3	Carrier
#25	Benjamin A. Kenney	3	Dana Canada
#26	Boris Chauvet	3	Hutchinson
#27	Chih-Wei Chen	3	Inventec
#28	Daniel Jason Erno	3	GE
#29	David C. Walther	3	Nelumbo
#30	Ephraim Joseph	3	Hamilton Sundstrand
#31	Ercan Mehmet Dede	3	Stanford University
#32	Fabrice Chopard	3	Hutchinson
#33	Feng Feng	3	Hamilton Sundstrand
#34	Hung-Ju Chen	3	Inventec
#35	Kazutaka Suzuki	3	Hamamatsu Photonics K.K.
#36	Kai-Yang Tung	3	Inventec
#37	Lance R. Brockway	3	Nelumbo
#38	Li-Kuang Tan	3	Delta Electronics
#39	Maurizio Zaglio	3	Sunamp Limited
#40	Michael K. Brumfield	3	Peinemann Equipment B.V.
#41	Michael Doe	3	Hamilton Sundstrand
#42	Michele Hu	3	Hamilton Sundstrand
#43	Michael Maynard	3	Hamilton Sundstrand
#44	Paul M. Colson	3	Hamilton Sundstrand
#45	Robert H. Dold	3	Hamilton Sundstrand
#46	Santokh Singh Gataora	3	Sunamp Limited
#47	Takehiro Hayashi	3	Mitsubishi Electric
#48	Thomas Kupiszewski	3	GE
#49	Tomohiko Takahashi	3	Nissan Motor Co.
#50	Vijay Narayan Jagdale	3	RTX (Raytheon)
#51	William Dwight Gerstler	3	GE
#52	Yoshihide Asai	3	Mitsubishi Electric
#53	Aaswath Pattabhi Raman	2	Stanford University
#54	Abdullah M. Al-Otaibi	2	Saudi Arabian Oil
#55	Akira Ishibashi	2	Mitsubishi Electric
#56	Akihito Naito	2	Murata Manufacturing Co.
#57	Ali CHEHADE	2	Ovh
#58	Alexander Poltorak	2	Fractal Heatsink Technologies
#59	Anders Skoglösa	2	Alfa Laval Corporate Ab
#60	Berthold Adomat	2	Hyfra Industriekuhlanlagen Gmbh
#61	Benny Andersen	2	Danfoss A/S
#62	Benli Peng	2	University Of South Carolina
#63	Brian P. Tucker	2	Mainstream Engineering
#64	Christopher P. Auth	2	Intel
#65	Chia-Wei Chen	2	TSMC
#66	Christophe Dominiak	2	Hutchinson
#67	Chi-Feng Hsu	2	Ldc Precision Engineering Co.
#68	Chen Li	2	University Of South Carolina
#69	Cheng-Jen Liang	2	Ldc Precision Engineering Co.
#70	Chien-Hung Sun	2	Celsia Technologies Taiwan
#71	Chang-Han Tsai	2	Cooler Master Co.
#72	CHIH-YUNG TSENG	2	ITRI
#73	Cody R. Montoya	2	Stoneage
#74	Daniel Rich	2	Fastcap Systems
#75	Daniel Szabo	2	Merck
#76	Dina Malamud	2	Baltimore Aircoil Company
#77	Donald G. Godfrey	2	Honeywell
#78	Doug Vanderwees	2	Dana Canada
#79	Eden Rephaeli	2	Verily Life Sciences
#80	Francis Carbonell	2	Honeywell
#81	Frank M. Kulick, III	2	Brentwood Industries
#82	Gang Lv	2	Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai
#83	Gregory Francis Louis BAUCHART	2	Ovh
#84	Henryk KLABA	2	Ovh
#85	Helge Nielsen	2	Danfoss A/S
#86	Hidetomo Nakagawa	2	Mitsubishi Electric
#87	Hyun-Young Kim	2	Samsung
#88	Jakub Korta	2	Aptiv Technologies Ag
#89	Jason Spenny	2	Denso International America
#90	James F. Wiedenhoefer	2	RTX (Raytheon)
#91	Jeffery R. Barnes	2	Stoneage
#92	Jen-Chih Cheng	2	Cooler Master Co.
#93	Jean-Pierre Libert	2	Evapco
#94	Jeffrey O'Boyle	2	Arvos Ljungstrom
#95	Jiabin Ye	2	Zhejiang Sanhua Intelligent Controls Co.
#96	Jiang Zou	2	Zhejiang Sanhua Automotive Components Co.
#97	Jorge Alvarez	2	Honeywell
#98	Joseph Jensen	2	Honeywell
#99	Joseph A. Schneider	2	Stoneage
#100	Joshua D. Sole	2	Mainstream Engineering

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Hamilton Sundstrand	35
2	Mitsubishi Electric	17
3	Cooler Master Co.	14
#4	Alfa Laval Corporate Ab	10
#5	Denso	9
#6	GE	9
#7	Dana Canada	8
#8	Mahle International Gmbh	8
#9	Murata Manufacturing Co.	7
#10	RTX (Raytheon)	7
#11	Asia Vital Components Co.	6
#12	Delta Electronics	6
#13	Hanon Systems	6
#14	Rheem Manufacturing	6
#15	Intel	6
#16	Toyota	6
#17	Asia Vital Components (China) Co.	5
#18	Furukawa Electric Co.	5
#19	Modine Manufacturing	5
#20	Shinko Electric Industries Co.	5
#21	Carrier	4
#22	Danfoss A/S	4
#23	Denso International America	4
#24	Hutchinson	4
#25	Ngk Insulators	4
#26	Peinemann Equipment B.V.	4
#27	Valeo Systemes Thermiques	4
#28	LG	4
#29	Advanced Cooling Technologies	3
#30	Arvos Ljungstrom	3
#31	Baltimore Aircoil Company	3
#32	Hudson Products	3
#33	Hyundai Motor	3
#34	Inventec	3
#35	Inventec (Pudong) Technology	3
#36	Kia Motors	3
#37	Kyungdong Navien Co.	3
#38	Lennox Industries	3
#39	Mainstream Engineering	3
#40	Nelumbo	3
#41	Purdue Research Foundation	3
#42	Rinnai	3
#43	Sanhua (Hangzhou) Micro Channel Heat Exchanger Co.	3
#44	Saudi Arabian Oil	3
#45	Stoneage	3
#46	Sunamp Limited	3
#47	Uacj	3
#48	Vast Glory Electronics & Hardware & Plastic (Hui Zhou)	3
#49	Ford	3
#50	Honeywell	3
#51	Applied Materials	2
#52	Abb Schweiz Ag	2
#53	Aptiv Technologies Ag	2
#54	Bae Systems Plc	2
#55	Bitzer Kühlmaschinenbau Gmbh	2
#56	Borgwarner Emissions Systems Spain, S.L.U.	2
#57	Brentwood Industries	2
#58	Daikin Industries	2
#59	Evapco	2
#60	Fastcap Systems	2
#61	Fractal Heatsink Technologies	2
#62	Fujitsu Limited	2
#63	Hangzhou Sanhua Research Institute Co.	2
#64	Hieta Technologies Limited	2
#65	Hitachi-Johnson Controls Air Conditioning	2
#66	Holtec International	2
#67	Hyfra Industriekuhlanlagen Gmbh	2
#68	ITRI	2
#69	Kobe Steel	2
#70	Kyocera	2
#71	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	2
#72	Ldc Precision Engineering Co.	2
#73	Linde Gmbh	2
#74	Nec	2
#75	Noritz	2
#76	Novares France	2
#77	Ovh	2
#78	Pimems	2
#79	Rocky Research	2
#80	Seiko Epson	2
#81	South China University Of Technology	2
#82	Stanford University	2
#83	The Boeing	2
#84	US Navy	2
#85	Unison Industries	2
#86	University Of South Carolina	2
#87	Valeo Autosystemy Sp. Z O.O.	2
#88	Westinghouse Electric	2
#89	Zhejiang Sanhua Intelligent Controls Co.	2
#90	IBM	2
#91	Samsung	2
#92	AMD	1
#93	Aavid Thermal	1
#94	Aavid Thermalloy	1
#95	Acer Incorporated	1
#96	Alfa Laval Olmi S.P.A.	1
#97	Alfa Laval Vicarb Sas	1
#98	Allgaier Werke Gmbh	1
#99	Alliance For Sustainable Energy	1
#100	Amulaire Thermal Technology	1

Heat exchange Patent Leaders in 2022 2022

Patents per Year

Top Inventors

Top Companies