YS

Yoshifumi Sudoh

Ricoh Company: 3 patents #63 of 950Top 7%
Overall (2024): #59,205 of 561,600Top 15%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12181673 Propagation optical system and virtual image display device Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shun OKAZAKI, Shigenobu Hirano +7 more 2024-12-31
12117668 Propagation optical system, virtual image display apparatus, and head-mounted display 2024-10-15
12099207 Virtual image display device Naoki Nakamura, Shiori OHSUGI, Shigenobu Hirano, Yasuo Katano, Kenji Kameyama +6 more 2024-09-24