Heat exchange Patent Leaders 2023

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	8	Shinko Electric Industries Co.
2	Shan-Yin Cheng	7	Cooler Master Co.
3	Jack Leon Esformes	6	Carrier
#4	Arindom Joardar	5	Carrier
#5	Chih-Wei Chen	5	Inventec
#6	Chia-Yu Lin	5	Cooler Master Co.
#7	Kevin Mercer	5	Carrier
#8	Tsung-Hsien Huang	5	TSMC
#9	Tsuyoshi Maeda	5	Seiko Epson
#10	Abbas A. Alahyari	4	Hamilton Sundstrand
#11	Akira Ishibashi	4	Mitsubishi Electric
#12	Ali CHEHADE	4	Ovh
#13	Ercan Mehmet Dede	4	Stanford University
#14	Jean-Pierre Libert	4	Evapco
#15	Michael F. Taras	4	Carrier
#16	Tomoki Hirokawa	4	Daikin Industries
#17	Tobias H. Sienel	4	Carrier
#18	Xue Mei WANG	4	Vast Glory Electronics & Hardware & Plastic (Hui Zhou)
#19	Adam Horoszczak	3	Hamilton Sundstrand
#20	Akira YATSUYANAGI	3	Mitsubishi Electric
#21	Cheng-Ju Chang	3	Auras Technology Co.
#22	Chiu-Kung CHEN	3	Delta Electronics
#23	Chaobin Dang	3	Mitsubishi Electric
#24	Eiji Hihara	3	Mitsubishi Electric
#25	Hadrien BAUDUIN	3	Ovh
#26	James Streeter	3	Hamilton Sundstrand
#27	Jiyang Li	3	Mitsubishi Electric
#28	Johannes Stickling	3	Unknown
#29	Jyun-Wei Huang	3	Auras Technology Co.
#30	Lei Liu	3	Foxconn
#31	Li-Kuang Tan	3	Delta Electronics
#32	Mark Huber	3	Evapco
#33	Matthew Mooradian	3	Unknown
#34	Pierre Olivier Pelletier	3	Danfoss Micro Channel Heat Exchanger (Jiaxing) Co.
#35	Rafal Lewandowski	3	Hamilton Sundstrand
#36	Ryuichi NAGATA	3	Mitsubishi Electric
#37	Shinya Higashiiue	3	Mitsubishi Electric
#38	Shih-Lin HUANG	3	Delta Electronics
#39	Shin Nakamura	3	Mitsubishi Electric
#40	William Dwight Gerstler	3	GE
#41	Yoshiyuki Matsumoto	3	Honda Motor Co.
#42	Yohann Lilian Rousselet	3	Baltimore Aircoil Company
#43	Aaron Reilly	2	Evapco
#44	Alexandre Floranc	2	Sogefi Air & Cooling
#45	Alexander Poltorak	2	Fractal Heatsink Technologies
#46	Alan Retersdorf	2	Hamilton Sundstrand
#47	Anthony Staniulis, Jr.	2	—
#48	Axel Dolderer	2	Mahle International Gmbh
#49	Balaji Hosadurgam Ravindranath	2	Transportation Ip Holdings
#50	Blake Lance	2	National Technology & Engineering Solutions Of Sandia
#51	Carl R. Verner	2	RTX (Raytheon)
#52	Cheng-Wen Hsieh	2	Acer Incorporated
#53	Chang-Yu Hsieh	2	Cooler Master Co.
#54	Cho-Han LEE	2	Unknown
#55	Chao-Wen Lu	2	Delta Electronics
#56	Clifford K. Ho	2	National Technology & Engineering Solutions Of Sandia
#57	Daniel Jason Erno	2	GE
#58	Daisuke Kimura	2	Ngk Insulators
#59	David C. Walther	2	Nelumbo
#60	Doug Vanderwees	2	Dana Canada
#61	Ephraim Joseph	2	Hamilton Sundstrand
#62	Evaldas Greiciunas	2	Bae Systems Plc
#63	Fang-Shou LEE	2	Unknown
#64	Fardis Najafifard	2	Heatcraft Refrigeration Products
#65	Faming Sun	2	Mitsubishi Electric
#66	Farbod Vakilimoghaddam	2	Dana Canada
#67	Fang Wang	2	Microsoft
#68	Feng Feng	2	Hamilton Sundstrand
#69	Feng Zhou	2	Toyota
#70	Florencio Gonzalez	2	—
#71	Gabriel Ruiz	2	Hamilton Sundstrand
#72	Haobo Jiang	2	Hangzhou Sanhua Research Institute Co.
#73	Han-Min Liu	2	Asia Vital Components (China) Co.
#74	Helge Nielsen	2	Danfoss A/S
#75	Hirokazu Fujino	2	Daikin Industries
#76	Hideyuki Kusaka	2	Daikin Industries
#77	Hiroshi Sakai	2	Kabushiki Kaisha Toshiba
#78	Hsiang-Fen CHOU	2	Cooler Master Co.
#79	In Chul Jeong	2	Samsung
#80	Jan Forst	2	—
#81	Jakub Jirsa	2	—
#82	Jau-Han Ke	2	Acer Incorporated
#83	Jen-Chih Cheng	2	Cooler Master Co.
#84	Jes Petersen	2	Danfoss A/S
#85	Jeremy M. Strange	2	Hamilton Sundstrand
#86	Jian JIANG	2	Hangzhou Sanhua Research Institute Co.
#87	Johan Nilsson	2	Ericsson
#88	Joseph A. Schneider	2	Stoneage
#89	Junfeng Jin	2	Danfoss Micro Channel Heat Exchanger (Jiaxing) Co.
#90	Jun Gil Park	2	Kyungdong Navien Co.
#91	Kamel Azzouz	2	Valeo Systemes Thermiques
#92	Kazutaka Suzuki	2	Hamamatsu Photonics K.K.
#93	Kenneth M. A. Abels	2	Dana Canada
#94	Kenro Hirata	2	Dai Nippon Printing Co.
#95	Kenya Kawabata	2	Furukawa Electric Co.
#96	Kiyotaka Takematsu	2	Dai Nippon Printing Co.
#97	Koji MINAMITANI	2	Showa Denko Packaging Co.
#98	Kotaro Oka	2	Fujitsu General Limited
#99	Kouju Yamada	2	Daikin Industries
#100	Kristen E. Griffin	2	Terydon

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Hamilton Sundstrand	22
2	Carrier	14
3	Cooler Master Co.	11
#4	Mitsubishi Electric	11
#5	Mahle International Gmbh	9
#6	Daikin Industries	8
#7	Delta Electronics	8
#8	Shinko Electric Industries Co.	8
#9	RTX (Raytheon)	8
#10	Evapco	7
#11	Hanon Systems	7
#12	GE	7
#13	Alfa Laval Corporate Ab	6
#14	Toyota	6
#15	Asia Vital Components Co.	5
#16	Rheem Manufacturing	5
#17	Unknown	5
#18	Asia Vital Components (China) Co.	4
#19	Auras Technology Co.	4
#20	Bae Systems Plc	4
#21	Dana Canada	4
#22	Murata Manufacturing Co.	4
#23	National Technology & Engineering Solutions Of Sandia	4
#24	Ovh	4
#25	Valeo Systemes Thermiques	4
#26	Vast Glory Electronics & Hardware & Plastic (Hui Zhou)	4
#27	Baltimore Aircoil Company	3
#28	Danfoss A/S	3
#29	Danfoss Micro Channel Heat Exchanger (Jiaxing) Co.	3
#30	Dongguan Hanxu Hardware Plastic Technology Co.	3
#31	Furukawa Electric Co.	3
#32	Hangzhou Sanhua Research Institute Co.	3
#33	Sumitomo Precision Products Co.	3
#34	The University Of Tokyo	3
#35	Transportation Ip Holdings	3
#36	Valeo Autosystemy Sp. Z O.O.	3
#37	Westinghouse Electric	3
#38	Acer Incorporated	2
#39	Air Products And Chemicals	2
#40	Alliance For Sustainable Energy	2
#41	Brentwood Industries	2
#42	Coolit Systems	2
#43	Dai Nippon Printing Co.	2
#44	Denso	2
#45	Fractal Heatsink Technologies	2
#46	Frore Systems	2
#47	Fujitsu General Limited	2
#48	Heatcraft Refrigeration Products	2
#49	Holtec International	2
#50	Huizhou Hanxu Hardware & Plastic Technology Co.	2
#51	Hyundai Motor	2
#52	Johnson Controls Tyco Ip Holdings Llp	2
#53	Kobe Steel	2
#54	Kyungdong Navien Co.	2
#55	Lennox Industries	2
#56	National Tsing Hua University	2
#57	Nec	2
#58	Nec Platforms	2
#59	Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno	2
#60	Nelumbo	2
#61	Ngk Insulators	2
#62	Nidec Chaun-Choungtechnology	2
#63	Northrop Grumman	2
#64	Rolls-Royce North America	2
#65	Safran Aircraft Engines	2
#66	Sogefi Air & Cooling	2
#67	Spx Flow	2
#68	Stoneage	2
#69	Swep International Ab	2
#70	Terydon	2
#71	The Boeing	2
#72	Columbia University	2
#73	T.Rad Co.	2
#74	Trane International	2
#75	Tsinghua University	2
#76	Zhejiang Sanhua Automotive Components Co.	2
#77	Google	2
#78	Honeywell	2
#79	IBM	2
#80	Intel	2
#81	Lockheed Martin	2
#82	Samsung	2
#83	Amazon	1
#84	Aavid Thermal	1
#85	Aavid Thermalloy	1
#86	Advanced Steam Technology Company	1
#87	Aem Singapore Pte.	1
#88	Aic	1
#89	Alfa Laval Vicarb Sas	1
#90	Amulaire Thermal Technology	1
#91	Asrock	1
#92	Autonetworks Technologies	1
#93	Aviat U.S.	1
#94	Bae Systems Information And Electronic Systems Integration	1
#95	Baidu Usa	1
#96	Battelle Energy Alliance	1
#97	Battelle Savannah River Alliance	1
#98	B/E Aerospace	1
#99	Michigan State University	1
#100	Bosal Emission Control Systems Nv	1

Heat exchange Patent Leaders in 2023 2023

Patents per Year

Top Inventors

Top Companies