HT

Hisashi Tsukijima

Canon: 3 patents #576 of 3,938Top 15%
📍 Ibaraki, JP: #61 of 672 inventorsTop 10%
Overall (2016): #71,335 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9500991 Developing apparatus having supply device with compound spiral portions Takanori Iida, Yusuke Ishida 2016-11-22
9442427 Developing device Yusuke Ishida, Takanori Iida 2016-09-13
9316948 Developing apparatus with discharge regulating member Yusuke Ishida, Takanori Iida 2016-04-19