YH

Yasumitsu Hayakawa

TC Toko Co.: 3 patents #34 of 196Top 20%
Overall (All Time): #1,672,444 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4722027 Hybrid circuit device — 1988-01-26
4656442 Hybrid circuit device — 1987-04-07
4506238 Hybrid circuit device Kunihisa Endoh 1985-03-19