Inventor
HIRATA KOICHI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “HIRATA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
15 patentsUS6580107B2Jun 17, 2003
Compound semiconductor device with depletion layer stop region
SANYO ELECTRIC CO28 citations92
US6627967B2Sep 30, 2003
Schottky barrier diode
SANYO ELECTRIC CO21 citations90
US6777277B2Aug 17, 2004
Manufacturing method of Schottky barrier diode
SANYO ELECTRIC CO11 citations72
US6897126B2May 24, 2005
Semiconductor device manufacturing method using mask slanting from orientation flat
SANYO ELECTRIC CO11 citations70
US6307251B1Oct 23, 2001
Semiconductor device having capacitance element and method of producing the same
SANYO ELECTRIC CO10 citations70
US6873828B2Mar 29, 2005
Compound semiconductor switching device for high frequency switching
SANYO ELECTRIC CO3 citations62
US6867115B2Mar 15, 2005
Compound semiconductor device
SANYO ELECTRIC CO2 citations62
US6858489B2Feb 22, 2005
Semiconductor device manufacturing method
SANYO ELECTRIC CO2 citations61
US6787871B2Sep 7, 2004
Integrated schottky barrier diode and manufacturing method thereof
SANYO ELECTRIC CO5 citations61
US6690070B2Feb 10, 2004
Insulated gate semiconductor device and its manufacturing method
SANYO ELECTRIC CO4 citations61
US6682968B2Jan 27, 2004
Manufacturing method of Schottky barrier diode
SANYO ELECTRIC CO5 citations61
US6670236B2Dec 30, 2003
Semiconductor device having capacitance element and method of producing the same
SANYO ELECTRIC CO2 citations59
US7125787B2Oct 24, 2006
Method of manufacturing insulated gate semiconductor device
SANYO ELECTRIC CO0 citations51
US6894371B2May 17, 2005
Semiconductor device
SANYO ELECTRIC CO1 citations50
US6727559B2Apr 27, 2004
Compound semiconductor device
SANYO ELECTRIC CO0 citations41
MAZDA MOTOR
6 patentsUS9926998B2Mar 27, 2018
Piston structure for engine
MAZDA MOTOR2 citations68
US9347396B2May 24, 2016
Piston structure for engine
MAZDA MOTOR1 citations48
US9556821B2Jan 31, 2017
Piston structure for engine
MAZDA MOTOR0 citations47
US11808202B2Nov 7, 2023
Engine crank pulley structure
MAZDA MOTOR0 citations44
US10760636B2Sep 1, 2020
Engine reciprocative rotating mechanism and method for manufacturing the same
MAZDA MOTOR0 citations33
US10612615B2Apr 7, 2020
Engine reciprocative rotating mechanism and method for manufacturing the same
MAZDA MOTOR0 citations33
NIPPON SODA CO
4 patentsUS12439920B2Oct 14, 2025
Pyridine n-oxide compound and pest control agent
NIPPON SODA CO0 citations60
US11178872B2Nov 23, 2021
Cyclic amine compound and pest control agent
NIPPON SODA CO0 citations47
US9474740B2Oct 25, 2016
Ectoparasite control agent
NIPPON SODA CO0 citations42
US10548316B2Feb 4, 2020
Diarylazole compound and harmful organism control agent
NIPPON SODA CO0 citations40
BROTHER IND LTD
3 patentsTOYOTA MOTOR CO LTD
3 patentsUS10648662B2May 12, 2020
Nozzle structure for hydrogen gas burner apparatus
TOYOTA MOTOR CO LTD3 citations68
US10627107B2Apr 21, 2020
Hydrogen gas burner structure and hydrogen gas burner device including the same
TOYOTA MOTOR CO LTD5 citations68
US11098893B2Aug 24, 2021
Nozzle structure for hydrogen gas burner apparatus
TOYOTA MOTOR CO LTD0 citations51