Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Defect detecting method and apparatus

Defect detecting method and apparatus

US Patent 5179860 · Granted Jan 19, 1993

Estimated economic value: $119,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical disc apparatus, method of controlling the same, and information storage 2012
Descaling method and descaling apparatus2008
Method and apparatus for detecting a defect of an object to be measured1999
Method and apparatus for measuring change in state of object to be measured usin1998
Method and apparatus for predicting the life of an object to be measured using l1997
Method and apparatus for predicting lifetime of measured object1996
Method and apparatus for detecting defects and different-hardness portions of an1993
Method and apparatus for detecting defects in an object by vibrating the object 1993
Defect detecting method and apparatus1992
Optical memory for storing and retrieving information by light exposure1990
Thermal transfer recording apparatus1985