MY

Masamichi Yamada

Ricoh Company: 2 patents #300 of 1,584Top 20%
Overall (2019): #140,982 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10225531 Image display unit, image projection unit, and image projection apparatus Yoshito Saito, Akihisa Mikawa 2019-03-05
10197894 Dustproof member for image generation device and image projection apparatus 2019-02-05