HY

Hirofumi Yamazaki

NT Nippon Telephone And Telegraph: 1 patents #1 of 5Top 20%
Overall (1997): #139,966 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5648859 Liquid crystal microprism array, free-space optical interconnector, and optical switch Katsuhiko Hirabayashi, Tsuyoshi Yamamoto, Masayasu Yamaguchi 1997-07-15