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Ohara Takeyoshi

Overall (All Time): #2,116,351 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7646577 Power plugging device with a function of releasing charges from electric surges — 2010-01-12
7539001 Surge discharging device — 2009-05-26

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