TM

Toshinobu MATSUYAMA

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,418,167 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11397375 Image projection apparatus — 2022-07-26
9746759 Lighting apparatus and image projection apparatus for detecting leak light from a light equalizer — 2017-08-29
9529175 Projection optical apparatus and image projection apparatus — 2016-12-27