Inventor
HIRATA SEIICHI
JP9 patents
Patents
9 patentsUS5223739AJun 29, 1993
Plastic molded semiconductor device having waterproof cap
TOSHIBA KK82 citations95
US5329068AJul 12, 1994
Semiconductor device
TOSHIBA KK20 citations92
US5291374AMar 1, 1994
Semiconductor device having an opening and method of manufacturing the same
TOSHIBA KK41 citations92
US4855807AAug 8, 1989
Semiconductor device
TOSHIBA KK47 citations92
US5448451ASep 5, 1995
Lead carrier
TOSHIBA KK24 citations87
US4654692AMar 31, 1987
Semiconductor device of resin-seal type
TOSHIBA KK21 citations81
US6400035B1Jun 4, 2002
Microwave semiconductor device with improved heat discharge and electrical properties and manufacturing method thereof
TOSHIBA KK6 citations73
US5371406ADec 6, 1994
Semiconductor device
TOSHIBA KK11 citations72
US6528347B2Mar 4, 2003
Manufacturing method for making a microwave semiconductor device with improved heat discharge and electric properties
TOSHIBA KK2 citations62