Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HH

Hung-Chang W. Huang — 18 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
WIWistron: 2 patents #559 of 2,107Top 30%
TTTrace Storage Technology: 1 patents #11 of 35Top 35%
MIMitac International: 1 patents #90 of 208Top 45%
WTWestern Digital Technologies: 1 patents #1,874 of 3,180Top 60%
PEPegatron: 1 patents #213 of 650Top 35%
STStormedia: 1 patents #10 of 23Top 45%
Hopewell Junction, NY: #105 of 648 inventorsTop 20%
New York: #7,989 of 115,490 inventorsTop 7%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Hung-Chang W. Huang has been granted 18 US patents while listed as an inventor at IBM. The first was granted in 1981 and the most recent in January 2012. Hung-Chang W. Huang ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Hung-Chang W. Huang in Hopewell Junction, NY, US.

Patents per Year

Patents granted per year, 1981 to 2012Bar chart with a peak of 2 patents in 1991.peak 21981: 1 patents19811988: 1 patents1990: 1 patents19901991: 2 patents1993: 1 patents19931995: 2 patents1996: 1 patents19962000: 2 patents2001: 1 patents20012002: 1 patents2004: 1 patents20042006: 1 patents2011: 2 patents20112012: 1 patents2012

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8087628 Fixing mechanism for fixing a display and related displaying device Dong Chen 2012-01-03
8020821 Wall hanger and assembly of the wall hanger and a computer device Dong Chen 2011-09-20
7896691 Electronic device and airproof connector module thereof Kai-Chen Tien, Chih-Chieh Chou 2011-03-01
7019945 Air bearing slider including pressurized side pads with forward and trailing shallow etched surfaces Jih-Ping Peng, Ciuter Chang, Ji-Feng Ying 2006-03-28 $44,030,000
6734344 Coniothyrium minitans &bgr;-(1,3) exoglucanase gene cbeg 1 Andre Laroche, Timothy Yikai Huang, Michele M. Frick, Zhen LU, Kuo-Joan Cheng 2004-05-11
6479169 Low noise magnetic recording media having a interlayer film Jack Jyh-Kau Chang, Gina Liang, Wu-Shun Wang, James Liang 2002-11-12
6268202 Strains of coniothyrium minitans having .beta.-glucanase activity Kuo-Joan Cheng, Jennifer L. Zantinge, Andre Laroche 2001-07-31
6151209 Modular computer assembly having system circuit module and peripheral circuit module Ming-Wei Lee 2000-11-21
6121034 Coniothyrium minitans xylanase gene Cxy1 Andre Laroche, Timothy Yikai Huang, Michele M. Frick, Zhen LU, Kuo-Joan Cheng 2000-09-19
5482785 Magnetic recording medium having an intermediate layer comprising uniform size globules of Ag Sn peritectic alloy Nader Mahvan, Atef H. Eltoukhy, Edward Teng 1996-01-09 $4,180,000
5436047 Thin film magnetic recording disk comprising a metallic disk blank, a substantially non-magnetic Ni-Cr-O film having a textured surface and a magnetic film James K. Howard, Cherngye Hwang, Anthony W. Wu 1995-07-25 $11,735,000
5421975 Method for enhancing the magnetic and roughness properties of thin film magnetic recording media and the resulting enhanced media Nader Mahvan, Atef H. Eltoukhy, Edward Teng 1995-06-06
5268806 Magnetoresistive transducer having tantalum lead conductors Wolfgang Goubau, James K. Howard, Cherngye Hwang, Robert O. Schwenker, James C. Uy 1993-12-07 $8,444,000
5008730 Contact stud structure for semiconductor devices Paul A. Totta 1991-04-16 $16,989,000
5008216 Process for improved contact stud structure for semiconductor devices Paul A. Totta 1991-04-16 $16,989,000
4914538 Magnetoresistive read transducer James K. Howard, Cherngye Hwang 1990-04-03 $11,569,000
4781970 Strengthening a ceramic by post sinter coating with a compressive surface layer Steven G. Barbee, Donald J. Hunt, Jungihl Kim, Jae Man Park, Charles H. Perry +1 more 1988-11-01 $20,495,000
4295147 Josephson devices of improved thermal cyclability and method Charles J. Kircher, Masanori Murakami 1981-10-13 $5,825,000