YA

Yumi Ariga

NT NTT: 1 patents #2,911 of 4,871Top 60%
SC Showa Electric Wire & Cable Co.: 1 patents #42 of 169Top 25%
Overall (All Time): #3,704,108 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5841926 Optical fibers for optical attenuation Yoshiaki Takeuchi, Ryo Nagase, Seiko Mitachi, Yuichi Morishita, Akira Kumagai +3 more 1998-11-24