YH

Yuji Hirano

Ngk Spark Plug Co.: 1 patents #48 of 120Top 40%
📍 Owariasahi, JP: #1 of 3 inventorsTop 35%
Overall (2002): #84,148 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6472801 Spark plug with a corrosion impeding layer Yoshihiro Matsubara, Shoichiro Ito, Naomichi Miyashita, Hiroaki Kuki 2002-10-29