JT

Junki Tsujiyama

HO Hoya: 1 patents #757 of 1,290Top 60%
PC Pentax Ricoh Imaging Company: 1 patents #41 of 74Top 60%
Overall (All Time): #2,097,354 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8285136 Diaphragm control apparatus of interchangeable lens camera 2012-10-09
7857526 Electromagnetic actuator 2010-12-28