TO

Tomonao Okubo

RC Rion Co.: 2 patents #29 of 139Top 25%
Overall (All Time): #2,152,292 of 4,157,543Top 55%
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Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7464790 Sound insulation/absorption structure, and structure having these applied thereto Hidekazu Kodama, Munehiro Date, Pavel Mokry, Kazunori Kimura, Eiichi Fukada 2008-12-16
6548936 Elastic wave control element using piezoelectric materials Hidekazu Kodama, Fumitaka Funahashi, Munehiro Date, Eiichi Fukada, Kazunori Kimura 2003-04-15