HK

Hitoshi Kitagawa

AC Alps Electric Co.: 1 patents #67 of 233Top 30%
Overall (2005): #189,619 of 245,428Top 80%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6931191 Photonic crystal device having variable bandgap, optical waveguide using the same, and optical multiplexing/demultiplexing device using the same Naoki Ito 2005-08-16