Inventor
KITAMURA WAHEI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KITAMURA WAHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS5095626AMar 17, 1992
Method of producing semiconductor memory packages
HITACHI LTD84 citations97
US5295297AMar 22, 1994
Method of producing semiconductor memory
HITACHI LTD75 citations96
US4994411AFeb 19, 1991
Process of producing semiconductor device
HITACHI LTD87 citations96
US4971196ANov 20, 1990
Surface package type semiconductor package
HITACHI LTD66 citations96
US4845543AJul 4, 1989
Semiconductor device and method of manufacturing the same
HITACHI LTD72 citations94
US5803246ASep 8, 1998
Surface package type semiconductor package and method of producing semiconductor memory
HITACHI LTD10 citations82
US5607059AMar 4, 1997
Surface package type semiconductor package and method of producing semiconductor memory
HITACHI LTD16 citations82
US5274914AJan 4, 1994
Method of producing surface package type semiconductor package
HITACHI LTD19 citations82
US6443298B2Sep 3, 2002
Surface package type semiconductor package and method of producing semiconductor memory
HITACHI LTD6 citations74
US6223893B1May 1, 2001
Surface package type semiconductor package and method of producing semiconductor memory
HITACHI LTD8 citations74
US5988368ANov 23, 1999
Resist pattern forming method using anti-reflective layer resist pattern formed and method of etching using resist pattern and product formed
HITACHI LTD5 citations74