Inventor
SARUYAMA MASAOMI
JP3 patents
Patents
3 patentsUS8544305B2Oct 1, 2013
Conveying jig, method of manufacturing conveying jig, and method of heat-treating metal rings using conveying jig
WATABE YOSHIHARU2 citations55
US8998004B2Apr 7, 2015
Conveyance rack, method for retaining metal ring, and method for heat treatment of metal ring
WATABE YOSHIHARU2 citations51
US9587708B2Mar 7, 2017
Automatic heat treatment method for metal ring
WATABE YOSHIHARU0 citations29