JY

Johji Yahagi

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,841,880 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11307515 Developing device with a developer regulator and a stopper Hiroshi Kikuchi, Akira Fujimori, Hideki Kimura, Yutaka Takahashi, Hiroyuki Uenishi +1 more 2022-04-19
10935907 Developer conveyance device and image forming apparatus incorporating same Yusuke Ishizuka, Akira Fujimori, Hideki Kimura, Yutaka Takahashi, Hiroshi Kikuchi +1 more 2021-03-02