Inventor
MIYAKAWA YASUHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKAWA YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI ELECTRIC IND CO LTD
4 patentsUS6342449B2Jan 29, 2002
Method of manufacturing of semiconductor device
OKI ELECTRIC IND CO LTD19 citations81
US6235619B1May 22, 2001
Manufacturing method for reduced semiconductor memory device contact holes with minimal damage to device separation characteristics
OKI ELECTRIC IND CO LTD15 citations81
US6162677ADec 19, 2000
Semiconductor device fabricating method
OKI ELECTRIC IND CO LTD12 citations69
US6735753B2May 11, 2004
Method of fabricating a semiconductor device having a multilevel interconnections
OKI ELECTRIC IND CO LTD2 citations60
NGK INSULATORS LTD
3 patentsUS4875939AOct 24, 1989
Precombustion chamber construction for an internal combustion engine
NGK INSULATORS LTD14 citations72
US4844037AJul 4, 1989
Precombustion chamber construction for internal combustion engine
NGK INSULATORS LTD4 citations61
US4856472AAug 15, 1989
Cylinder head with ceramic precombustion chamber
NGK INSULATORS LTD1 citations51