AN

Atsushi Nagaoka

OH Ohara: 2 patents #1 of 8Top 15%
Overall (2019): #190,772 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10370289 Optical glass, preform, and optical element Ken KIKKAWA 2019-08-06
10189740 Optical glass, preform, and optical element Ken KIKKAWA 2019-01-29