Inventor · Tokyo, JP

Yuichi Hamamura

20Patents
7h-index
40Co-inventors
65Inventor score

Filing activity: Jan 27, 1997 → Dec 9, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6771077B2 Method of testing electronic devices indicating short-circuit Physics 77 Expired
US6303932A Method and its apparatus for detecting a secondary electron beam image and a method and its apparatus for processing by using focused charged particle beam Electricity 42 Expired
US5976328A Pattern forming method using charged particle beam process and charged particle beam processing system Electricity 32 Expired
US6960765B2 Probe driving method, and probe apparatus Physics 28 Expired
US5952658A Method and system for judging milling end point for use in charged particle beam milling system Electricity 23 Expired
US6476387B1 Method and apparatus for observing or processing and analyzing using a charged beam Electricity 18 Expired
US7062081B2 Method and system for analyzing circuit pattern defects Physics 15 Expired
US6895346B2 Method for test conditions Physics 6 Expired
US7301146B2 Probe driving method, and probe apparatus Physics 5 Active
US8995748B2 Defect image processing apparatus, defect image processing method, semiconductor defect classifying apparatus, and semiconductor defect classifying method Electricity 4 Active
US6780660B2 System for testing electronic devices Physics 4 Expired
US7945410B2 Semiconductor device yield prediction system and method Physics 4 Active
US6770496B2 Method of testing electronic devices Physics 3 Expired
US6344115B1 Pattern forming method using charged particle beam process and charged particle beam processing system Electricity 3 Expired
US10614391B2 Method and apparatus for work quality control Physics 1 Active
US7352890B2 Method for analyzing circuit pattern defects and a system thereof Physics 1 Expired
US8621400B2 Method of evaluating systematic defect, and apparatus therefor Electricity 0 Active
US8675949B2 Reviewed defect selection processing method, defect review method, reviewed defect selection processing tool, and defect review tool Physics 0 Active
US6841405B2 Photomask for test wafers Physics 0 Expired
US8612811B2 Defective-ratio predicting method, defective-ratio predicting program, managing method for semiconductor manufacturing apparatus, and manufacturing method for semiconductor device Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.