Osaka
Japan
6
2013-01-03
The entities that hold a legal rights for patent applications filed by inventor Hitoshio Keisuke:
Keisuke Hitoshio from Osaka, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Seamless steel pipe for line pipe and method for manufacturing the same
#2 | 2012-10-25Method for manufacturing seamless steel pipe for line pipe and seamless steel pipe for line pipe
#3 | 2009-03-26Steel pipe as fuel injection pipe
#4 | 2006-06-15Steel pipe for an airbag inflator and a process for its manufacture
#5 | 2005-12-01Seamless steel tube for drive shaft and method for manufacturing the same
#6 | 2005-02-24High strength steel pipe for an air bag
1833 ⎘