RT

Ryoji Takeyari

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
📍 Kokubunji, JP: #63 of 127 inventorsTop 50%
Overall (2004): #122,303 of 270,089Top 50%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6728489 Optical transmission system constructing method and system Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more 2004-04-27