HF

Hiroaki Fujihisa

Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
📍 Fukuyama, JP: #30 of 471 inventorsTop 7%
Overall (All Time): #391,035 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5250920 Remote controlled relay Manabu Sogabe 1993-10-05
5248951 Remote controlled relay Manabu Sogabe, Shuji Matsumoto 1993-09-28
5200723 Remotely-controlled relay Manabu Sogabe 1993-04-06
5181001 Remotely-controlled relay Manabu Sogabe 1993-01-19
5172086 Remotely controlled relay Manabu Sogabe 1992-12-15
RE33400 Circuit breaker Hiroshi Fujii, Hirotoshi Ohishi, Yoshiaki Kobayashi 1990-10-23
4945325 Circuit breaker with smooth sliding operation Haruhisa Toda, Shiro Murata 1990-07-31
4794357 Multi-pole circuit interrupter Haruhisa Toda, Shiroo Murata 1988-12-27
4743878 Circuit interrupter Hirotoshi Ohishi, Hiroshi Fujii, Yoshiaki Kobayashi, Kiyoshi Matsuura 1988-05-10
4641001 Circuit interrupter Hiroshi Fujii, Hirotoshi Ohishi, Yoshiaki Kobayashi 1987-02-03
4628288 Circuit interrupter Hirotoshi Ohishi, Hiroshi Fujii, Yoshiaki Kobayashi 1986-12-09
4609799 Circuit interrupter Hirotoshi Ohishi, Hiroshi Fujii 1986-09-02
4595895 Circuit breaker Hiroshi Fujii, Hirotoshi Ohishi, Yoshiaki Kobayashi 1986-06-17