TO

Takayuki Ogasawara

NI Ngk Insulators: 1 patents #49 of 149Top 35%
Overall (1989): #52,658 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4809654 Ceramic precombustion chamber construction of internal combustion engine Akinori Wakasa, Hideki Hosokawa, Minoru Machida, Itsuo Kondo 1989-03-07