HT

Hibiki Tatsuno

Ricoh Company: 4 patents #122 of 1,487Top 9%
Overall (2020): #54,216 of 565,922Top 10%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10775620 Virtual-image forming device and mobile object Takahiro Nakayama, Takashi Kubota, Naoki Nakamura 2020-09-15
10656412 Image display apparatus and head-up display system 2020-05-19
10606042 Magnification optical system Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa 2020-03-31
10585269 Projection optical system, projection apparatus, and projection system Yohei Takano, Yasuyuki Shibayama 2020-03-10