KY

Keiji Yasuda

NI Ngk Insulators: 1 patents #49 of 149Top 35%
Overall (1989): #87,415 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856987 Tunnel kiln for ceramic firing Kazuo Nakasako, Kazuhiro Miyahara 1989-08-15