Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kowloon, CN ranks #443 worldwide for total patents filed all time, with 7,316 patents from 2,133 inventors. Leading employers of inventors based in Kowloon, CN include John Manufacturing, Gold Coral International Limited, Chinese University Of Hong Kong.

Showing 1–50 of 2,133 inventors

Rank Inventor Primary Company Patents
1 John S. Yuen John Manufacturing 246
2 Se Kit Yuen John Manufacturing 223
3 Stephanie Wai Man Shiu Gold Coral International Limited 122
#4 Yuk-Ming Dennis Lo Chinese University Of Hong Kong 121
#5 Kwan Chee Chan Chinese University Of Hong Kong 91
#6 Onn Fah Foo Mass Technology (H.K.) Limited 89
#7 Takehiro Kamigama Sae Magnetics (H.K.) 84
#8 Pat Y. Mah Daka Research Inc. (Br. Virg.Isl Corp.), Offshore Incorporations 77
#9 Francis See Chong Chia Easebon Services Limited 61
#10 Wai Wah Yiu Soft Lines International 49
#11 Peter Cummings Kma Concepts Limited 45
#12 Kwok Kuen So Unknown 44
#12 Peter M. H. Hung Fulon Development Limited 44
#14 Sen-Nen Lie Kolvin Industries Limited 40
#14 Jean Julien Bruneel Kokido Development Limited 40
#16 Lars Junker O2Cool 39
#17 Joakim Uimonen ExxonMobil 36
#17 Wing Kit Lui Eric Beare Associates Limited 36
#19 Gin Fai Yip Leading Extreme Optimist Industries 35
#20 Chi Pok Billy Wai Silverlit Toys Manufactory 34
#20 Chiu Keung Kwan Cj 34
#22 Leung Ho Sourcing Solutions International Limited 33
#23 Bryan Yip Leading Extreme Optimist Industries 32
#23 Vincent W. S. Lau Sun Pleasure Company Limited 32
#25 Yet Chan Foster Assets 31
#26 Ka Chuen Sze Tung Hing Plastic Manufactory Limited 30
#27 Hing-Wah Huen Fairform Manufacturing Company Limited 28
#28 Yong Zhu Nano And Advanced Materials Institute Limited 26
#28 Chuk Shun Chan Pollyflame International B.V. 26
#30 Jing Chen Hong Kong University Of Science And Technology 25
#30 Yiu Kwong Wan Fee Tat Holdings (H.K.) Limited 25
#30 Jesper Birk Andersen Safe And Care 25
#33 Moshe Zukerman City University Of Hong Kong 24
#34 Chung Lun Yip 23
#35 Po Sum Lee The Brinkmann 22
#35 Chi Hou Chan City University Of Hong Kong 22
#35 Michael K. Tse Std Electronic International 22
#38 Tak Chi Sher Polycity Enterprise Limited 21
#39 Brenda P. K. Yue 20
#39 Kimman Wong Senko Advanced Components 20
#39 Sai Y. Tam Bhs International 20
#39 Man Kuen Lam Sky City International Limited 20
#39 Cheung Chong Kao Boto Licenses Limited 20
#39 Chun Fai Leung P.S.L. Limited 20
#39 Wai Wah Chung The Brinkmann 20
#46 Eddie Chang Man Nin Shing Company Limited 19
#46 Kwai Man Luk City University Of Hong Kong 19
#48 Wai Keung Yau Wai Shing Plastic Products 18
#48 Hoi Tak Raymond Lam South Asia International (H.K.) 18
#48 Man Hay Pong University Of Hong Kong 18