YS

Yukinori Sakuma

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,553,379 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8204402 Shutter mechanism Hideo Yoshizawa 2012-06-19
7616915 Image forming apparatus having a force-converting mechanism to detach a rotary body Kazuhiro Shimojima, Yoshitaka Fujinuma, Susumu Tateyama 2009-11-10
7539453 Printer capable of reserving sheet wrapping width Yukio Otome, Isao Nakajima, Sho Sawahata, Akihiko Yamazaki 2009-05-26