RK

Ryoji Kamiyama

WC Wacom Co.: 4 patents #10 of 98Top 15%
📍 Saitama, MO: #2 of 5 inventorsTop 40%
Overall (2020): #45,495 of 565,922Top 9%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D897341 Cartridge for an electronic pen Toshihiko Horie, Masamitsu Ito, Shigeru Yamashita 2020-09-29
10768720 Electronic pen Shigeru Yamashita, Masamitsu Ito 2020-09-08
10739872 Electronic pen and electronic pen main body unit Toshihiko Horie, Shigeru Yamashita 2020-08-11
10678350 Electronic pen, electronic pen main unit, and method for manufacturing electronic pen main unit Toshihiko Horie 2020-06-09