MH

Makoto Hirakawa

Ricoh Company: 2 patents #462 of 1,683Top 30%
Overall (2011): #82,104 of 364,097Top 25%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8085455 Optical scanning device, method of adjusting the same, and image forming apparatus 2011-12-27
7903135 Optical scanning device and image forming apparatus for optimizing arrangement intervals in a main-scanning direction and a sub-scanning direction Daisuke Ichii, Yoshinori Hayashi, Seizo Suzuki, Masaaki Ishida 2011-03-08