Inventor
OHYAMA YUICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “OHYAMA YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6542830B1Apr 1, 2003
Process control system
HITACHI LTD93 citations96
US5841893ANov 24, 1998
Inspection data analyzing system
HITACHI LTD76 citations95
US6185322B1Feb 6, 2001
Inspection system and method using separate processors for processing different information regarding a workpiece such as an electronic device
HITACHI LTD15 citations92
US6757621B2Jun 29, 2004
Process management system
HITACHI LTD35 citations91
US4583223AApr 15, 1986
Testing system
HITACHI LTD36 citations88
US6330352B1Dec 11, 2001
Inspection data analyzing system
HITACHI LTD11 citations81
US6628817B2Sep 30, 2003
Inspection data analyzing system
HITACHI LTD9 citations73
US6529619B2Mar 4, 2003
Inspection data analyzing system
HITACHI LTD9 citations73
US6339653B1Jan 15, 2002
Inspection data analyzing system
HITACHI LTD7 citations73