KT

Keiji Tomooka

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #118,736 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5671074 Optical multiplex transmission equipment and method Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda, Satoshi Aoki +6 more 1997-09-23