SK

Seiichi Katoh

Ricoh Company: 2 patents #462 of 1,683Top 30%
Overall (2011): #68,399 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8014058 Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus Takeshi Nanjyo, Koichi Ohtaka 2011-09-06
7965431 Optical deflecting device Takeshi Nanjyo 2011-06-21