RH

Ryouzi Horie

NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
Overall (All Time): #3,847,496 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5102434 Method of inspecting a honeycomb structural body for purifying exhaust gases and apparatus used in the method Toshihiko Hijikata, Satoru Yamada 1992-04-07