SI

Shigeaki Imai

Ricoh Company: 5 patents #145 of 1,683Top 9%
Overall (2011): #14,579 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8072478 Optical scanning device, image forming apparatus, and write method Jun Tanabe, Seizo Suzuki 2011-12-06
8059149 Optical scanning device and image forming apparatus Kenichiroh Saisho 2011-11-15
8023166 Optical scanning device and image forming apparatus Tadashi Nakamura, Tomohiro Nakajima 2011-09-20
8014041 Optical scanning apparatus and image forming apparatus Mitsuo Suzuki 2011-09-06
8014051 Optical scanning device and image forming apparatus 2011-09-06