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USPTO Patent Rankings Data through Sept 30, 2025
HM

Hirokuni Michikawa — 1 Patent

Overall (All Time): #4,072,863 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339918 Means for accelerating the discharge of exhaust gas from an internal combustion engine 1982-07-20