Mari Ishida

RK Riso Kagaku: 3 patents #174 of 551Top 35%

📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%

Overall (All Time): #1,508,544 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9469124	Image forming apparatus	—	2016-10-18
9381751	Inkjet printing apparatus	—	2016-07-05
8807685	Image forming device and image forming method	—	2014-08-19