Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chia-Hung Chen — 68 Patents

ASAshland: 9 patents #8 of 247Top 4%
PEPegatron: 7 patents #24 of 650Top 4%
OCOriginal Biomedicals Co.: 7 patents #1 of 9Top 15%
WIWistron: 5 patents #220 of 2,107Top 15%
Foxconn: 4 patents #1,314 of 5,504Top 25%
EHEnterprise Holdings: 4 patents #10 of 159Top 7%
UMUnited Microelectronics: 4 patents #1,253 of 4,560Top 30%
HAHarvatek: 3 patents #19 of 61Top 35%
ZCZeng Hsing Industrial Co.: 2 patents #4 of 28Top 15%
APAuo Display Plus: 2 patents #3 of 14Top 25%
FCFu Tai Hua Industry (Shenzhen) Co.: 2 patents #160 of 543Top 30%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
YUYuan Ze University: 2 patents #28 of 190Top 15%
CTChunghwa Picture Tubes: 1 patents #485 of 907Top 55%
CCChant Sincere Co.: 1 patents #21 of 39Top 55%
ITITRI: 1 patents #5,197 of 9,619Top 55%
NUNational Formosa University: 1 patents #27 of 129Top 25%
AOAu Optronics: 1 patents #1,836 of 2,945Top 65%
ACAsustek Computer: 1 patents #655 of 1,430Top 50%
PTPremier Image Technology(China): 1 patents #22 of 67Top 35%
TCTaiwan Hopax Chems. Mfg. Co.: 1 patents #12 of 30Top 40%
AOAshland Oil: 1 patents #154 of 284Top 55%
Applied Materials: 1 patents #4,780 of 7,310Top 70%
DIDivio: 1 patents #4 of 11Top 40%
DEDelta Electronics: 1 patents #1,366 of 2,746Top 50%
AEAdvanced Semiconductor Engineering: 1 patents #625 of 1,073Top 60%
New Taipei, OH: #1 of 10 inventorsTop 10%
Overall (All Time): #30,450 of 4,157,543Top 1%
68 Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
7532413 Lens barrel Chin-Ching Wang 2009-05-12
7521811 Substrate for packaging semiconductor chip and method for manufacturing the same Yung Teng Pan 2009-04-21
7382323 Micro chip antenna Chuan Hu, Meng Chiu Pan, Shun-Tian Lin, Chang-Fa Yang, Kao Chung Cheng +3 more 2008-06-03
7229290 Interface card with a mechanism for covering a connector thereof Lung-Chiao Chang, Shun-Fa Yu, Kuan-Hsun Lu 2007-06-12
7147476 Interface card with a mechanism for covering a connector thereof Lung-Chiao Chang, Shun-Fa Yu, Kuan-Hsun Lu 2006-12-12
6883587 Polyisocyanate compositions and their use Jorg Kroker 2005-04-26
6812324 Method for preparing nylon 6 copolymer containing sulfonate comonomers Tun-Fun Way, Cheng-Wei Yeh, Lien-Tai Chen 2004-11-02
6664310 Hydrogenfluorides of aminosilanols and their use Jorg Kroker, Robert B. Fechter 2003-12-16
6632856 Polyurethane-forming binders Jorg Kroker 2003-10-14
6602931 Polyurethane-forming binders Jorg Kroker 2003-08-05
6353685 Method and apparatus for image compression Tony H. Wu, Wei Lee, Der-Ren Chu, Sophia W. Kao, Kang-Huai Wang +1 more 2002-03-05
6291550 Solventless polyurethane no-brake foundry binder Ken K. Chang 2001-09-18
6063833 Solventless polyurethane no-bake foundry binder Ken K. Chang 2000-05-16
6017978 Polyurethane forming no-bake foundry binders Ken K. Chang, Albert L. Haugse, Thomas E. Dando 2000-01-25
6005021 No-bake foundry mixes and their uses Thomas E. Dando 1999-12-21
5859091 No-bake foundry mixes and their use Thomas E. Dando 1999-01-12
5688857 Polyurethane-forming cold-box binders and their uses James T. Schneider 1997-11-18
5262237 Rubber-based primer for room temperature repair of rubber gaskets Jeffrey T. Fields 1993-11-16