YT

Yutaka Takakubo

HO Hoya: 2 patents #11 of 71Top 20%
Overall (2018): #85,645 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10082648 Imaging optical system Akitoshi Usui 2018-09-25
9874734 Zoom optical system and imaging apparatus provided with the same Eijiroh Tada 2018-01-23