BM

Byong-Jin Ma

TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
Overall (All Time): #2,211,165 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6374029 Optical device Yoshiaki Nakano 2002-04-16
6356382 Optical wavelength converter with active waveguide Yoshiaki Nakano 2002-03-12