HI

Hirohito Ito

Ngk Spark Plug Co.: 1 patents #56 of 151Top 40%
📍 Akishima, JP: #20 of 56 inventorsTop 40%
Overall (2003): #212,597 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6559579 Alumina-based sintered body insulator for spark plugs Kenji Nunome, Makoto Sugimoto, Kuniharu Tanaka, Katsura Matsubara, Yoshihiro Yamamoto +1 more 2003-05-06