TK

Toshio Koike

Ricoh Company: 6 patents #40 of 1,584Top 3%
Overall (2019): #21,011 of 560,194Top 4%
6
Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10520856 Developing device, process cartridge, and image forming apparatus incorporating same Jun Shiori, Hideo Yoshizawa, Keinosuke Kondoh, Teppei Kikuchi, Kazuhiro Aso +1 more 2019-12-31
10409196 Image forming apparatus including developing devices, developing containers, and changeable conveyance paths between the developing devices and the developing containers Jun Shiori, Teppei Kikuchi, Michiharu Suzuki, Kazuhiro Aso, Keinosuke Kondoh +2 more 2019-09-10
10394186 Powder container and image forming apparatus Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more 2019-08-27
10203633 Image forming apparatus Michiharu Suzuki, Hideo Yoshizawa, Jun Shiori, Kazuhiro Aso, Teppei Kikuchi +1 more 2019-02-12
10203650 Powder container and image forming apparatus Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more 2019-02-12
10197948 Developing device and image forming apparatus Hitoshi Iwatsuki, Koichi Sakata, Hiroshi Tohmatsu, Toyoaki Tano, Kenichi Mashiko +5 more 2019-02-05