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USPTO Patent Rankings Data through Sept 30, 2025
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Going Won Lee — 2 Patents

Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,112,667 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8029230 Turbine exhaust system and method for modifying the same Shunsuke Mizumi, Ryuichiro Iwano, Koji Ishibashi 2011-10-04
7600962 Turbine exhaust system and method for modifying the same Shunsuke Mizumi, Ryuichiro Iwano, Koji Ishibashi 2009-10-13