YC

Yukifumi Chiba

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,215,945 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6420683 Glow plug with Ni-Fe-Co resistor Hisashi Higuchi, Chiaki Kumada, Shunsuke Gotou 2002-07-16
6417445 Elementary coaxial cable wire, coaxial cable, and coaxial cable bundle Kazuhiro Sato, Kiyonori Yokoi 2002-07-09