Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HH

Hyoung-Chan Ha — 13 Patents

Applied Materials: 8 patents #1,541 of 7,310Top 25%
HEHynix (Hyundai Electronics): 5 patents #122 of 1,604Top 8%
San Jose, CA: #4,970 of 32,062 inventorsTop 20%
California: #46,935 of 386,348 inventorsTop 15%
Overall (All Time): #380,295 of 4,157,543Top 10%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9926639 Methods for forming barrier/seed layers for copper interconnect structures Hoon Kim, Wei Ti Lee, Sang Ho Yu, Seshadri Ganguli, Sang-Hyeob Lee 2018-03-27
9209074 Cobalt deposition on barrier surfaces Jiang Lu, Paul F. Ma, Seshadri Ganguli, Joseph AuBuchon, Sang Ho Yu +1 more 2015-12-08
9129945 Formation of liner and barrier for tungsten as gate electrode and as contact plug to reduce resistance and enhance device performance Sang-Hyeob Lee, Sang Ho Yu, Wei Ti Lee, Seshadri Ganguli, Hoon Kim 2015-09-08
9051641 Cobalt deposition on barrier surfaces Jiang Lu, Paul F. Ma, Seshadri Ganguli, Joseph AuBuchon, Sang Ho Yu +1 more 2015-06-09
8637390 Metal gate structures and methods for forming thereof Seshadri Ganguli, Sang Ho Yu, Sang-Hyeob Lee, Wei Ti Lee, Hoon Kim +4 more 2014-01-28
8563424 Process for forming cobalt and cobalt silicide materials in tungsten contact applications Seshadri Ganguli, Sang Ho Yu, See-Eng Phan, Mei Chang, Amit Khandelwal 2013-10-22
8187970 Process for forming cobalt and cobalt silicide materials in tungsten contact applications Seshadri Ganguli, Sang Ho Yu, See-Eng Phan, Mei Chang, Amit Khandelwal 2012-05-29
7867578 Method for depositing an amorphous carbon film with improved density and step coverage Deenesh Padhi, Sudha Rathi, Derek R. Witty, Chiu Chan, Sohyun Park +6 more 2011-01-11
5563077 Method of fabricating a thin film transistor having vertical channel 1996-10-08
5554547 Process for the production of thin film transistor using oxygen plasma 1996-09-10
5508531 Thin film transistor (TFT) and method of manufacturing thereof 1996-04-16
5401685 Method for hydrogenating thin film transistor by using a spin-on-glass film 1995-03-28
5366910 Process for the production of thin film transistors using on SOG film Dong Kwon Choi 1994-11-22