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

Heechan Yang — 11 Patents

LILine: 8 patents #4 of 205Top 2%
LG: 3 patents #10,886 of 26,165Top 45%
Tokyo, JP: #14,217 of 90,295 inventorsTop 20%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Heechan Yang has been granted 11 US patents while listed as an inventor at Line. The first was granted in 2009 and the most recent in April 2023. Heechan Yang ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Heechan Yang in Tokyo, JP.

Patents per Year

Patents granted per year, 2009 to 2023Bar chart with a peak of 2 patents in 2009.peak 22009: 2 patents20092010: 1 patents20102016: 1 patents20162017: 1 patents20172018: 1 patents20182019: 2 patents20192021: 1 patents20212022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11637799 Servers, methods of controlling servers, and non-transitory computer-readable mediums Kenichi Sugimoto 2023-04-25
11477150 Servers, method of controlling servers, and non-transitory computer-readable mediums Kenichi Sugimoto 2022-10-18
10992624 Servers, methods of controlling servers, and non-transitory computer-readable mediums Kenichi Sugimoto 2021-04-27
10447636 Server, method of controlling server, and non-transitory computer-readable medium Kenichi Sugimoto 2019-10-15 $20,875,000
10362023 Authentication information encryption server apparatuses, systems non-transitory computer readable mediums and methods for improving password security 2019-07-23 $56,533,000
9887946 Server, method of controlling server, and non-transitory computer-readable medium Kenichi Sugimoto 2018-02-06 $53,668,000
9621492 System and method for providing information interactively by instant messaging application Euivin PARK, Hyuk JUNG, Dongri JIN 2017-04-11 $67,578,000
9456077 Communication server, communication terminal, and method of communication Kenichi Sugimoto 2016-09-27 $116,180,000
7649508 Plasma display apparatus and driving method thereof Yunkwon Jung, Jinyoung Kim 2010-01-19 $213,000
7619588 Plasma display device and method for driving the same Yunkwon Jung, Jinyoung Kim 2009-11-17 $111,000
7564429 Plasma display apparatus and driving method thereof Yunkwon Jung, Jinyoung Kim 2009-07-21 $172,000