YC

Yukifumi Chiba

Ngk Spark Plug Co.: 1 patents #48 of 120Top 40%
Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #33,895 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

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