YN

Youko Nakabayashi

NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #3,486,187 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6771907 Optical ring system Yuuki Yoshifuji, Shuichi Iida, Takashi Yamazaki, Shinya Nakamura, Kimio Ozawa +9 more 2004-08-03