HJ

Hiroshi Johno

Ricoh Company: 6 patents #127 of 2,036Top 7%
Overall (2016): #19,900 of 481,213Top 5%
6
Patents 2016

Issued Patents 2016

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9471028 Optical scanning device and image forming apparatus Kazunori Watanabe, Yoshinobu Sakaue, Susumu Narita 2016-10-18
9436004 Optical scanning device and image forming apparatus Keiichi Serizawa, Daisuke Yoshida, Kazunori Watanabe 2016-09-06
9360790 Optical scanning device and image forming apparatus Yoshinobu Sakaue, Kazunori Watanabe, Susumu Narita 2016-06-07
9333766 Optical scanner with housing to support light sources and image forming apparatus incorporating same Kazunori Watanabe, Keiichi Serizawa, Shuji Takamatsu 2016-05-10
9298121 Optical scanning device and image forming apparatus Kazunori Watanabe, Yoshinobu Sakaue, Susumu Narita 2016-03-29
9261698 Optical scanner and image forming apparatus including same Kazunori Watanabe, Keiichi Serizawa 2016-02-16