TW

Takumi Waida

Ricoh Company: 5 patents #172 of 2,036Top 9%
Overall (2016): #23,065 of 481,213Top 5%
5
Patents 2016

Issued Patents 2016

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9448516 Fixing device temperature control method, fixing device, and image forming apparatus Yasunori Ishigaya, Masahiro Samei, Ryota Yamashina 2016-09-20
9411278 Image forming apparatus Motoyoshi Yamano, Shinichi Namekata, Ryota Yamashina, Shinji Kato, Shuji Hirai +1 more 2016-08-09
9411284 Fixing device Hiroshi Seo, Ippei Fujimoto, Ryota Yamashina 2016-08-09
9354567 Fixing device, fixing device control method, and image forming apparatus Ryota Yamashina, Yasunori Ishigaya, Masahiro Samei 2016-05-31
9250592 Image forming apparatus having a smoothness detector Ryota Yamashina, Keitaro Shoji, Shuji Hirai, Terumichi Ochi 2016-02-02