SY

Seiich Yamada

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,711,734 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5610570 Voltage non-linear resistor and fabricating method thereof Shigeru Tanaka, Moritaka Syouji, Shigehisa Motowaki, Ken Takahashi, Shingo Shirakawa +1 more 1997-03-11