Ryoichi Kawasumi

Canon: 3 patents #576 of 3,938Top 15%

📍 Ibaraki, JP: #61 of 672 inventorsTop 10%

Overall (2016): #56,960 of 481,213Top 15%

Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9507292	Developing device	—	2016-11-29
9500988	Developing apparatus	—	2016-11-22
9235161	Image forming apparatus	—	2016-01-12