NY

Naoki Yamagata

HO Hoya: 4 patents #11 of 218Top 6%
PC Pentax Ricoh Imaging Company: 1 patents #1 of 2Top 50%
Overall (2011): #15,512 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8081558 Optical system of optical pick-up and optical information recording/reproducing apparatus Satoshi Inoue, Shuichi Takeuchi 2011-12-20
8081869 Time-varying image recording device 2011-12-20
8018816 Objective lens and optical information recording/reproducing apparatus Shuichi Takeuchi 2011-09-13
7995130 Image-recording device Koichi Ishibashi 2011-08-09
7929401 Objective lens and optical information recording/reproducing apparatus having the same Shuichi Takeuchi 2011-04-19