TH

Toshihiro Hirakawa

NI Ngk Insulators: 26 patents #112 of 2,083Top 6%
NI Nkg Insulators: 1 patents #1 of 20Top 5%
Overall (All Time): #143,189 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
7488367 Honeycomb filter and method of manufacturing the same Yoshiyuki Kasai 2009-02-10
7429416 Honeycomb structure Yoshiyuki Kasai 2008-09-30