RA

Ryuichi Arakawa

Ngk Spark Plug Co.: 1 patents #13 of 73Top 20%
Overall (2023): #272,800 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11692699 Wavelength conversion member, light source device, and method for manufacturing wavelength conversion member Yosuke Yatsuya, Toshiyuki Sakurai, Tomoo Tanaka 2023-07-04