HK

Hiroshi Kozawa

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,258,040 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5723839 Gas circuit breaker — 1998-03-03
5023415 Switch apparatus Syunji Itoh, Takahide Seki 1991-06-11