IS

Ippei Shake

NT NTT: 1 patents #50 of 267Top 20%
Overall (2003): #206,734 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6587242 Optical transmission system Hidehiko Takara, Yoshiaki Yamabayashi, Osamu Kamatani, Koji Nonaka, Kentaro Uchiyama 2003-07-01