Inventor
AKIYAMA YUKIHARU
JP29 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA YUKIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS6521981B2Feb 18, 2003
Semiconductor device and manufacturing method thereof
HITACHI LTD37 citations96
US6472727B2Oct 29, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD31 citations96
US6342728B2Jan 29, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD38 citations96
US6342726B2Jan 29, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD42 citations96
US5884835AMar 23, 1999
Ultrasonic bonding method and ultrasonic bonding apparatus
HITACHI LTD60 citations96
US5176310AJan 5, 1993
Method and apparatus for wire bond
HITACHI LTD100 citations95
US5110032AMay 5, 1992
Method and apparatus for wire bonding
HITACHI LTD72 citations95
US5037023AAug 6, 1991
Method and apparatus for wire bonding
HITACHI LTD53 citations95
US6642083B2Nov 4, 2003
Semiconductor device and manufacturing method thereof
HITACHI LTD17 citations93
US6365439B2Apr 2, 2002
Method of manufacturing a ball grid array type semiconductor package
HITACHI LTD17 citations93
US6355500B2Mar 12, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD14 citations93
US6515371B2Feb 4, 2003
Semiconductor device with elastic structure and wiring
HITACHI LTD13 citations92
US6307269B1Oct 23, 2001
Semiconductor device with chip size package
HITACHI LTD32 citations92
US6355975B2Mar 12, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD4 citations74
US6353255B2Mar 5, 2002
Semiconductor device and manufacturing method thereof
HITACHI LTD6 citations74
US6639323B2Oct 28, 2003
Semiconductor device and its manufacturing method
HITACHI LTD6 citations73
SHARP KK
5 patentsUS5943595AAug 24, 1999
Method for manufacturing a semiconductor device having a triple-well structure
SHARP KK84 citations96
US5880008AMar 9, 1999
Method for forming field oxide film
SHARP KK25 citations93
US5493139AFeb 20, 1996
Electrically erasable PROM (E2 PROM) with thin film peripheral transistor
SHARP KK23 citations92
US6066531AMay 23, 2000
Method for manufacturing semiconductor memory device
SHARP KK12 citations74
US7256085B2Aug 14, 2007
Semiconductor memory device and manufacturing method thereof
SHARP KK2 citations62
RENESAS TECH CORP
3 patentsUS6670215B2Dec 30, 2003
Semiconductor device and manufacturing method thereof
RENESAS TECH CORP28 citations96
US7420284B2Sep 2, 2008
Semiconductor device and manufacturing method thereof
RENESAS TECH CORP39 citations92
US6664135B2Dec 16, 2003
Method of manufacturing a ball grid array type semiconductor package
RENESAS TECH CORP7 citations74