ZY

Zenji Yamaguchi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Engineering & Services Co.: 2 patents #17 of 129Top 15%
Overall (All Time): #2,165,298 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6999903 Remote monitoring diagnostic system and method thereof Hiraku Ikeda, Akiyo Ichihashi, Akira Okabe 2006-02-14
6853959 Remote monitoring diagnostic system and method thereof Hiraku Ikeda, Akiyo Ichihashi, Akira Okabe 2005-02-08