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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Morioka; Noriko
Address:
Hirakata, JP
No. of patents:
2
Patents:












Patent Number Title Of Patent Date Issued
7691213 Case hardened gear and method of producing the same April 6, 2010
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth flanks and having a temper hardness of HRC 50 or more at 300.degree. C. To this end, the rol
7422643 Rolling element and method of producing the same September 9, 2008
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth flanks and having a temper hardness of HRC 50 or more at 300.degree. C. To this end, the rol










 
 
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