Kashima
Japan
4
2012-01-19
The entities that hold a legal rights for patent applications filed by inventor Hiraki Sei:
Sei Hiraki from Kashima, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for continuous casting of steel and electromagnetic stirrer to be used therefor
#2 | 2011-02-17Method for continuous casting of steel and electromagnetic stirrer to be used therefor
#3 | 2007-07-24Method of manufacture of ultra-low carbon steel
#4 | 2006-08-08Continuous casting method, continuous casting apparatus and continuously cast steel slab
6232423 ⎘