Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Doyo Engineering Co. — 48 Patents

Rank (All Time): #13,771 of 105,917Top 15%
2 inventors
48 Patents All Time

Patents per Year

Patents granted per year, 2005 to 2024Bar chart with a peak of 9 patents in 2019.peak 92005: 2 patents20052008: 2 patents2010: 1 patents20102011: 1 patents2012: 1 patents20122013: 1 patents2015: 4 patents20152016: 4 patents2017: 6 patents20172018: 2 patents2019: 9 patents20192020: 6 patents2021: 5 patents20212023: 1 patents2024: 3 patents2024

Top Inventors at Doyo Engineering Co. All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 Kang Ho HYUN 33
2 Kwang Ho Hyun 15

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