MK

Masao Kawachi

NT NTT: 1 patents #50 of 267Top 20%
📍 Mito, JP: #1 of 1 inventorsTop 100%
Overall (2003): #165,708 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6643463 Optical wavelength division multiplexing transmission network system using transmitting/receiving apparatuses having 2-input and 2-output optical path switching elements Senichi Suzuki, Kennosuke Fukami, Yuji Akatsu, Kazutosi Kato, Mitsuru Harada +2 more 2003-11-04