NI

Naoichi Ishikawa

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #1,018,478 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8212852 Image writing device using digital light-emitting elements 2012-07-03
7852362 Image writing device using digital light-emitting elements 2010-12-14
7787002 Digital writing apparatus 2010-08-31
7453485 Image writing apparatus for controlling transfer of image data 2008-11-18
7248277 Method and apparatus for optical writing capable of writing a wide format image using a plurality of light emitting devices 2007-07-24