Inventor
UMEDA KAZUNORI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6953728B2Oct 11, 2005
Semiconductor device and method of manufacturing thereof
HITACHI LTD17 citations92
US6727146B2Apr 27, 2004
Semiconductor device and method of manufacturing thereof
HITACHI LTD17 citations92
US6639776B2Oct 28, 2003
Programmable controller
HITACHI LTD9 citations70
US6556405B2Apr 29, 2003
Programmable controller
HITACHI LTD11 citations70
US5065307ANov 12, 1991
Apparatus for insulating and preventing noise in the output of a sequence controller
HITACHI LTD0 citations50
AGENCY IND SCIENCE TECHN
3 patentsUS5100848AMar 31, 1992
Oxide type solid lubricant containing Cr2 O3 and Na2 ZrO.sub.
AGENCY IND SCIENCE TECHN43 citations92
US3956146AMay 11, 1976
Self-lubricating wear-resistant composite materials
AGENCY IND SCIENCE TECHN26 citations78
US5470494ANov 28, 1995
Oxide type solid lubricant
AGENCY IND SCIENCE TECHN6 citations72