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USPTO Patent Rankings Data through Sept 30, 2025
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Akihiro Ishiyama

Overall (2019): #554,075 of 560,194Top 100%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10247159 Recoil starter and engine Manabu Sekimukai, Yasunaga Ooiwa 2019-04-02