Inventor
KANG YUKIYASU
JP2 patents
Patents
2 patentsUS8623503B2Jan 7, 2014
Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film
INST TECH PRECISION ELECT0 citations44
US8367201B2Feb 5, 2013
Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film
INST TECH PRECISION ELECT0 citations44