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

Tom K. Cho — 54 Patents

Applied Materials: 53 patents #145 of 7,310Top 2%
Los Altos, CA: #171 of 3,651 inventorsTop 5%
California: #7,050 of 386,348 inventorsTop 2%
Overall (All Time): #46,969 of 4,157,543Top 2%
54 Patents All Time
Tom K. Cho has been granted 54 US patents while listed as an inventor at Applied Materials. The first was granted in 1995 and the most recent in January 2025. Tom K. Cho ranks #46,969 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Tom K. Cho in Los Altos, CA, US.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 6 patents in 2017.peak 61995: 1 patents19951996: 1 patents1998: 1 patents1999: 1 patents19992001: 1 patents2002: 1 patents2006: 2 patents20062007: 1 patents2008: 2 patents2009: 5 patents20092010: 4 patents2012: 1 patents2014: 1 patents20142015: 1 patents2017: 6 patents2018: 3 patents20182019: 5 patents2020: 4 patents2021: 3 patents20212022: 3 patents2023: 6 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12195839 Ion beam sputtering with ion assisted deposition for coatings on chamber components Jennifer Y. Sun, Vahid Firouzdor, Biraja P. Kanungo, Vedapuram S. Achutharaman, Ying Zhang 2025-01-14
11856706 Method and system for improving the operation of semiconductor processing Hsui Yang, Yao-Hung YANG, Jeevan Shanbhag, Chien-Min Liao, Earl Hunter +4 more 2023-12-26 $30,871,000
11680308 Plasma erosion resistant rare-earth oxide based thin film coatings Jennifer Y. Sun, Biraja P. Kanungo, Vahid Firouzdor 2023-06-20 $48,645,000
11566317 Ion beam sputtering with ion assisted deposition for coatings on chamber components Jennifer Y. Sun, Vahid Firouzdor, Biraja P. Kanungo, Vedapuram S. Achutharaman, Ying Zhang 2023-01-31 $29,381,000
11566319 Ion beam sputtering with ion assisted deposition for coatings on chamber components Jennifer Y. Sun, Vahid Firouzdor, Biraja P. Kanungo, Vedapuram S. Achutharaman, Ying Zhang 2023-01-31 $29,381,000
11566318 Ion beam sputtering with ion assisted deposition for coatings on chamber components Jennifer Y. Sun, Vahid Firouzdor, Biraja P. Kanungo, Vedapuram S. Achutharaman, Ying Zhang 2023-01-31 $29,381,000
11560913 Brazed joint and semiconductor processing chamber component having the same Govinda Raj, Hamid Mohiuddin, Ian Widlow 2023-01-24 $45,726,000
11532466 Part-life estimation utilizing feature metrology Chien-Min Liao, Yao-Hung YANG, Siamak Salimian, Hsiu Yang, Chun-Chung Chen 2022-12-20 $39,023,000
11398369 Method and apparatus for actively tuning a plasma power source Rongping Wang, Siamak Salimian 2022-07-26 $63,545,000
11359722 Multinode multi-use O-ring and method for forming a seal Shagun P. Maheshwari, Yao-Hung YANG, King F. Lee, Andrew Yu, Aniruddha Pal +1 more 2022-06-14 $21,647,000
11090893 Method of reclaiming a seal Shagun P. Maheshwari, Yao-Hung YANG, Yu-Chi Yeh, Andrew Yu, Aniruddha Pal +1 more 2021-08-17 $63,158,000
11074426 Methods and systems for multi-part authentication and tracking Chien-Min Liao, Yao-Hung YANG, Hsiu Yang, Jeevan Shanbhag, Chun-Chung Chen 2021-07-27 $132,720,000
11053581 Plasma erosion resistant rare-earth oxide based thin film coatings Jennifer Y. Sun, Biraja P. Kanungo, Vahid Firouzdor 2021-07-06 $60,527,000
10734202 Rare-earth oxide based erosion resistant coatings for semiconductor application Jennifer Y. Sun, Biraja P. Kanungo 2020-08-04 $43,243,000
10727096 Symmetric chamber body design architecture to address variable process volume with improved flow uniformity/gas conductance Andrew Nguyen, Yogananda Sarode Vishwanath 2020-07-28 $35,855,000
10685819 Measuring concentrations of radicals in semiconductor processing Ramesh Gopalan, George Alajajian, Michael J. Mark 2020-06-16 $36,933,000
10672591 Apparatus for removing particles from a twin chamber processing system Andrew Nguyen, Kartik Ramaswamy, Yogananda Sarode Vishwanath 2020-06-02 $65,790,000
10501843 Plasma erosion resistant rare-earth oxide based thin film coatings Jennifer Y. Sun, Biraja P. Kanungo, Vahid Firouzdor 2019-12-10 $14,920,000
10446418 Symmetric chamber body design architecture to address variable process volume with improved flow uniformity/gas conductance Andrew Nguyen, Yogananda Sarode Vishwanath 2019-10-15 $25,920,000
10418229 Aerosol deposition coating for semiconductor chamber components Jennifer Y. Sun, Biraja P. Kanungo, Ying Zhang 2019-09-17 $56,752,000
10347522 Method to remove residual charge on a electrostatic chuck during the de-chucking step Wendell Glen Boyd, Jr., Robert T. Hirahara 2019-07-09 $20,979,000
10211033 Inline DPS chamber hardware are design to enable axis symmetry for improved flow conductance and uniformity Andrew Nguyen, Yogananda Sarode Vishwanath 2019-02-19 $29,015,000
10119188 Plasma erosion resistant rare-earth oxide based thin film coatings Jennifer Y. Sun, Biraja P. Kanungo, Vahid Firouzdor 2018-11-06 $24,517,000
10010912 Particle reduction via throttle gate valve purge Jared Ahmad Lee, Dmitry Lubomirsky, Martin Jeff Salinas, Andrew Nguyen, Eric A. Englhardt +1 more 2018-07-03 $29,604,000
9865434 Rare-earth oxide based erosion resistant coatings for semiconductor application Jennifer Y. Sun, Biraja P. Kanungo 2018-01-09 $16,545,000