Inventor
YAMAGISHI MACHIO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGISHI MACHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS6614174B1Sep 2, 2003
Display apparatus using organic electroluminescent element and manufacturing method thereof
SONY CORP170 citations98
US6501466B1Dec 31, 2002
Active matrix type display apparatus and drive circuit thereof
SONY CORP696 citations98
US6969291B2Nov 29, 2005
Display apparatus using organic electroluminescent element and manufacturing method thereof
SONY CORP92 citations97
US5768184AJun 16, 1998
Performance non-volatile semiconductor memory device
SONY CORP56 citations96
US5627781AMay 6, 1997
Nonvolatile semiconductor memory
SONY CORP76 citations96
US7304696B2Dec 4, 2007
Image display
SONY CORP29 citations92
US5737281AApr 7, 1998
Data writing method and device of semiconductor device
SONY CORP4 citations63
US5808339ASep 15, 1998
Two-layered gate structure for a semiconductor device and method for producing the same
SONY CORP2 citations62
US6054366AApr 25, 2000
Two-layered gate structure for a semiconductor device and method for producing the same
SONY CORP1 citations52