AO

Akito Ohba

Yamaha: 4 patents #5 of 178Top 3%
Overall (2019): #59,799 of 560,194Top 15%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10403243 Support assembly and keyboard apparatus 2019-09-03
10395625 Support assembly and keyboard apparatus Nariyasu Yaguchi, Hiroshi Harimoto 2019-08-27
10311836 Support assembly and keyboard apparatus Hiroshi Harimoto, Shunsuke Ichiki, Ichiro Osuga 2019-06-04
10304422 Support assembly and keyboard apparatus Nariyasu Yaguchi, Hiroshi Harimoto 2019-05-28