Inventor
WAKASHIMA YOSHIAKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “WAKASHIMA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS4982265AJan 1, 1991
Semiconductor integrated circuit device and method of manufacturing the same
HITACHI LTD620 citations99
US5334875AAug 2, 1994
Stacked semiconductor memory device and semiconductor memory module containing the same
HITACHI LTD128 citations98
US5198888AMar 30, 1993
Semiconductor stacked device
HITACHI LTD353 citations98
US5910685AJun 8, 1999
Semiconductor memory module having double-sided stacked memory chip layout
HITACHI LTD87 citations97
US5028986AJul 2, 1991
Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices
HITACHI LTD115 citations95
US4977441ADec 11, 1990
Semiconductor device and tape carrier
HITACHI LTD53 citations89
US4792532ADec 20, 1988
Semiconductor device and process for producing the same, and tape carrier used in said process
HITACHI LTD34 citations89
US4494217AJan 15, 1985
Semiconductor memories with α shield
HITACHI LTD24 citations81
US4064289ADec 20, 1977
Method of making a semiconductor device
HITACHI LTD30 citations81
US3939488AFeb 17, 1976
Method of manufacturing semiconductor device and resulting product
HITACHI LTD17 citations74
US3946427AMar 23, 1976
Semiconductor device
HITACHI LTD15 citations70
US4322593AMar 30, 1982
Apparatus for pre-heating resin tablet
HITACHI LTD0 citations37
HITACHI CHEMICAL CO LTD
3 patentsUS6268648B1Jul 31, 2001
Board for mounting semiconductor element, method for manufacturing the same, and semiconductor device
HITACHI CHEMICAL CO LTD83 citations96
US6492203B1Dec 10, 2002
Semiconductor device and method of fabrication thereof
HITACHI CHEMICAL CO LTD30 citations91
US6708398B2Mar 23, 2004
Substrate for use in package of semiconductor device, semiconductor package using the substrate, and methods for manufacturing the substrate and the semiconductor package
HITACHI CHEMICAL CO LTD7 citations72