Kakogawa
Japan
4
2015-05-28
The entities that hold a legal rights for patent applications filed by inventor Kimura Sei:
Sei Kimura from Kakogawa, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Bearing steel material with excellent rolling fatigue property and bearing part
#2 | 2015-04-30High cleanliness spring steel and high cleanliness spring excellent in fatigue properties
#3 | 2009-08-06High cleanliness spring steel and high cleanliness spring excellent in fatigue properties
#4 | 2007-03-08Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same
6310064 ⎘