AY

Abrakawa Yuji

UN Unknown: 1 patents #394 of 3,590Top 15%
Overall (2019): #556,885 of 560,194Top 100%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10520808 Manufacturing method of diffractive optical elements Fusao Ishii, Nakanishi Mikiko, Takahashi Kazuhiko, Keiichi Murakami 2019-12-31