Inventor
SHIMAMOTO HIROMI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAMOTO HIROMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS5793097AAug 11, 1998
Semiconductor device having conducting structure
HITACHI LTD30 citations96
US6482710B2Nov 19, 2002
Bipolar transistor and manufacting method thereof
HITACHI LTD47 citations95
US6521974B1Feb 18, 2003
Bipolar transistor and manufacturing method thereof
HITACHI LTD35 citations92
US6472753B2Oct 29, 2002
BICMOS semiconductor integrated circuit device and fabrication process thereof
HITACHI LTD14 citations92
US6600178B1Jul 29, 2003
Heterojunction bipolar transistor
HITACHI LTD19 citations91
US6835632B2Dec 28, 2004
Semiconductor device and process of producing the same
HITACHI LTD6 citations74
US6815822B2Nov 9, 2004
BICMOS semiconductor integrated circuit device and fabrication process thereof
HITACHI LTD8 citations74
US6610569B1Aug 26, 2003
Semiconductor device and process of producing the same
HITACHI LTD5 citations74
US6501153B2Dec 31, 2002
Semiconductor device and drive circuit using the semiconductor devices
HITACHI LTD12 citations74
US6476450B2Nov 5, 2002
BICMOS semiconductor integrated circuit device and fabrication process thereof
HITACHI LTD12 citations74
US6133094AOct 17, 2000
Semiconductor device and process of producing the same
HITACHI LTD7 citations74
US8040214B2Oct 18, 2011
Semiconductor device and manufacturing method of the same
HITACHI LTD4 citations63
US7842973B2Nov 30, 2010
Semiconductor device and manufacturing method of the same
HITACHI LTD2 citations63
US7214973B2May 8, 2007
Semiconductor device and method of manufacturing the same
HITACHI LTD4 citations63
US6524924B1Feb 25, 2003
Semiconductor device and process of producing the same
HITACHI LTD2 citations63
HITACHI DEVICE ENG
3 patentsUS7238582B2Jul 3, 2007
Semiconductor device and process of producing the same
HITACHI DEVICE ENG5 citations74
US6974977B2Dec 13, 2005
Heterojunction bipolar transistor
HITACHI DEVICE ENG11 citations72
US6956255B2Oct 18, 2005
Semiconductor device and drive circuit using the semiconductor devices
HITACHI DEVICE ENG2 citations63