MH

Masashi Hiraiwa

HI Hitachi: 2 patents #343 of 3,149Top 15%
HC Hitachi Software Engineering Co.: 1 patents #5 of 45Top 15%
Overall (1994): #26,009 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5333187 Switching system for electronic switcher Yoshiaki Asambo 1994-07-26
5317633 Exchanging system and method of establishing data call thereof 1994-05-31