YS

Yasuyuki Shibayama

Ricoh Company: 1 patents #496 of 1,326Top 40%
Overall (2021): #204,594 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10962750 Projection optical system, projection apparatus, and projection system Yohei Takano, Hibiki Tatsuno 2021-03-30