Inventor
FUJITA KOICHIRO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA KOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
10 patentsUS6258685B1Jul 10, 2001
Method of manufacturing hetero-junction bipolar transistor
SHARP KK18 citations92
US6825508B2Nov 30, 2004
Heterojunction bipolar transistor and production process therefor
SHARP KK7 citations73
US10848144B2Nov 24, 2020
Switching control circuit
SHARP KK2 citations69
US10892748B1Jan 12, 2021
Power module
SHARP KK2 citations67
US10381472B2Aug 13, 2019
Nitride-semiconductor field-effect transistor
SHARP KK2 citations67
US6455390B2Sep 24, 2002
Method of manufacturing hetero-junction bipolar transistor
SHARP KK3 citations62
US9171947B2Oct 27, 2015
Nitride semiconductor device
SHARP KK1 citations51
US9824887B2Nov 21, 2017
Nitride semiconductor device
SHARP KK0 citations50
US9082834B2Jul 14, 2015
Nitride semiconductor device
SHARP KK0 citations41
US10756011B2Aug 25, 2020
Power semiconductor module, electronic device, and method for controlling power semiconductor module
SHARP KK0 citations37
JFE STEEL CORP
7 patentsUS10422015B2Sep 24, 2019
High-strength galvanized steel sheet excellent in stretch-flange formability, in-plane stability of stretch-flange formability, and bendability and method for manufacturing the same
JFE STEEL CORP1 citations62
US9828648B2Nov 28, 2017
Steel sheet with excellent aging resistance property and method for producing the same
JFE STEEL CORP1 citations50
US10294542B2May 21, 2019
Method for producing high-strength galvanized steel sheet and high-strength galvannealed steel sheet
JFE STEEL CORP0 citations42
US10648054B2May 12, 2020
Method and facility for producing high-strength galavanized steel sheets
JFE STEEL CORP0 citations41
US10544477B2Jan 28, 2020
Method for manufacturing high-strength galvanized steel sheet
JFE STEEL CORP0 citations41
US10400300B2Sep 3, 2019
High-strength hot-dip galvanized steel sheet and method for manufacturing the same
JFE STEEL CORP0 citations41
US9920394B2Mar 20, 2018
Bake-hardening galvanized steel sheet
JFE STEEL CORP0 citations41
NIPPON KOKAN KK
4 patentsUS5993568ANov 30, 1999
Soft magnetic alloy sheet having low residual magnetic flux density
NIPPON KOKAN KK21 citations91
US6241829B1Jun 5, 2001
Silicon steel sheet and method thereof
NIPPON KOKAN KK1 citations61
US6045627AApr 4, 2000
Silicon steel sheet and method thereof
NIPPON KOKAN KK1 citations61
US5902419AMay 11, 1999
Silicon steel sheet and method thereof
NIPPON KOKAN KK4 citations61