KN

Koichi Niihara

NI Ngk Insulators: 2 patents #27 of 149Top 20%
Overall (1989): #21,893 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4889834 SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the same Atsushi Nakahira 1989-12-26
4889835 SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the same Atsushi Nakahira 1989-12-26