Kobe-shi
Japan
11
2019-09-26
The entities that hold a legal rights for patent applications filed by inventor Sugimura Tomoko:
Tomoko Sugimura from Kobe-shi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
DUPLEX STAINLESS STEEL MATERIAL AND DUPLEX STAINLESS STEEL TUBE
#2 | 2017-08-10METHOD FOR CONTROLLING Ti CONCENTRATION IN STEEL, AND METHOD FOR PRODUCING SILICON-DEOXIDIZED STEEL
#3 | 2016-07-14BEARING STEEL MATERIAL WITH EXCELLENT ROLLING FATIGUE PROPERTY AND BEARING PART
#4 | 2016-05-12Si-killed steel wire rod and spring
#5 | 2015-05-28Bearing steel material with excellent rolling fatigue property and bearing part
#6 | 2015-04-30High cleanliness spring steel and high cleanliness spring excellent in fatigue properties
#7 | 2014-01-16Bearing steel material with excellent rolling contact fatigue properties and a bearing part
#8 | 2010-05-06HIGH CLEANLINESS SPRING STEEL AND HIGH CLEANLINESS SPRING EXCELLENT IN FATIGUE PROPERTIES
#9 | 2009-05-21Spring steel and spring superior in fatigue properties
#10 | 2008-08-28Method for producing high cleanness steel excellent in fatigue strength or cold workability
#11 | 2006-05-25Ultra clean spring steel
613406 ⎘