YO

Yoichiro Oda

OK Okamura: 3 patents #31 of 116Top 30%
Overall (All Time): #1,552,157 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8172332 Chair backrest device Hiroshi Masunaga, Ryo Igarashi 2012-05-08
7887135 Headrest device in a chair 2011-02-15
7878598 Base plate for a chair 2011-02-01