HT

Hibiki Tatsuno

Ricoh Company: 4 patents #257 of 2,036Top 15%
Overall (2016): #43,084 of 481,213Top 9%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9423683 Image projection apparatus 2016-08-23
9348121 Magnification optical system Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa 2016-05-24
9261767 Projection optical system and image display apparatus Yohei Takano, Nobuyuki Arai, Hirotoshi Nakayama 2016-02-16
9229206 Projection optical system and image projection apparatus 2016-01-05