KM

Katsura Matsubara

Ngk Spark Plug Co.: 1 patents #31 of 117Top 30%
Overall (2005): #163,514 of 245,428Top 70%
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, Hiroki Watanabe, Masaya Ito 2005-02-01