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AKASHI CORP
US6 patents
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US6354148B2Mar 12, 2002
Rebound-type hardness tester
AKASHI CORP14 citations82
US6279388B1Aug 28, 2001
Apparatus for calibrating hardness tester, method for calibrating the same and apparatus for evaluating dynamic characteristic of specimen
AKASHI CORP13 citations71
US6336359B1Jan 8, 2002
Impression forming mechanism and hardness testing apparatus
AKASHI CORP13 citations70
US5827953AOct 27, 1998
Method of testing hardness in rebound type hardness tester
AKASHI CORP5 citations61
US6484570B2Nov 26, 2002
Impression forming mechanism and hardness testing apparatus
AKASHI CORP2 citations59
US6725708B2Apr 27, 2004
Impression forming mechanism and method, and hardness testing apparatus and method
AKASHI CORP0 citations44