YI

Yoshihiko Ishikawa

TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #2,201,139 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6548924 Protective device for a hermetically sealed type compressor and a hermetically sealed compressor listing same Hideharu Furukawa, Toshio Shimada, Wataru Sugawara 2003-04-15
4876523 Switch for circuit breaker Osami Kushida, Hisamitsu Ninomiya, Masakazu Nezuka 1989-10-24