MY

Masamichi Yamada

Ricoh Company: 2 patents #135 of 950Top 15%
Overall (2024): #136,771 of 561,600Top 25%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12181673 Propagation optical system and virtual image display device Yoshifumi Sudoh, Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shun OKAZAKI +7 more 2024-12-31
11892118 Display stand and display stand system 2024-02-06