Hiromi Ooya

DC Daido Kogyo Co.: 1 patents #34 of 94Top 40%

📍 Kaga, JP: #19 of 43 inventorsTop 45%

Overall (All Time): #3,828,357 of 4,157,543Top 95%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5226857	Chain for a bicycle	Takuma Ono	1993-07-13