KH

Keiichiroh Hirahara

Ricoh Company: 1 patents #810 of 1,683Top 50%
📍 Kawagoe, JP: #31 of 92 inventorsTop 35%
Overall (2011): #246,813 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7959300 Projected image display unit Akira Sakurai 2011-06-14