MI

Masaya Ito

Ngk Spark Plug Co.: 1 patents #31 of 117Top 30%
Overall (2005): #146,020 of 245,428Top 60%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6849207 Silicon nitride sintered material and production process thereof Kouji Funaki, Katsura Matsubara, Hiroki Watanabe 2005-02-01