Assignee
OKAMOTO RIKI
JP4 patents
Top patents by PatentIndex Score
US9410231B2Aug 9, 2016
Steel sheet and method of manufacturing steel sheet
OKAMOTO RIKI2 citations61
US8192683B2Jun 5, 2012
High-strength steel sheets excellent in hole-expandability and ductility
OKAMOTO RIKI2 citations61
US8182740B2May 22, 2012
High-strength steel sheets excellent in hole-expandability and ductility
OKAMOTO RIKI2 citations61
US9267196B2Feb 23, 2016
Method of producing a hot rolled steel sheet
OKAMOTO RIKI0 citations40