SN

Seiji Nogiwa

AC Ando Electric Co.: 1 patents #9 of 32Top 30%
NT NTT: 1 patents #69 of 290Top 25%
Overall (1997): #79,708 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5633750 Optical fiber amplifier Kazuo Aida, Kiyoshi Nakagawa 1997-05-27