Membership
Tour
Register
Log in
Kenichi Umeda
Follow
Person
Honjo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Non-linear dielectric element
Patent number
4,447,549
Issue date
May 8, 1984
TDK Kabushiki Kaisha
Sho Masujima
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES