Inventor
EJIRI HIROKAZU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “EJIRI HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
16 patentsUS5643806AJul 1, 1997
Manufacturing method for making bipolar device
SONY CORP23 citations92
US5541124AJul 30, 1996
Method for making bipolar transistor having double polysilicon structure
SONY CORP39 citations92
US6278143B1Aug 21, 2001
Semiconductor device with bipolar and J-FET transistors
SONY CORP17 citations83
US6791160B2Sep 14, 2004
Semiconductor device and process for fabrication thereof
SONY CORP6 citations73
US6770974B2Aug 3, 2004
Semiconductor device and its manufacturing method
SONY CORP8 citations73
US6005284ADec 21, 1999
Semiconductor device and its manufacturing method
SONY CORP10 citations73
US9368539B2Jun 14, 2016
Semiconductor device with atom diffusion barrier layer and method of manufacturing semiconductor device with atom diffusion barrier layer
SONY CORP4 citations71
US7192826B2Mar 20, 2007
Semiconductor device and process for fabrication thereof
SONY CORP2 citations62
US6919615B2Jul 19, 2005
Semiconductor device for integrated injection logic cell and process for fabricating the same
SONY CORP2 citations62
US6815222B2Nov 9, 2004
Method for protecting capacitive elements during production of a semiconductor device
SONY CORP3 citations62
US5856228AJan 5, 1999
Manufacturing method for making bipolar device having double polysilicon structure
SONY CORP4 citations62
US10841521B2Nov 17, 2020
Information processing device, information processing method, and program
SONY CORP0 citations52
US7101750B2Sep 5, 2006
Semiconductor device for integrated injection logic cell and process for fabricating the same
SONY CORP0 citations51
US6525401B2Feb 25, 2003
Semiconductor device for integrated injection logic cell and process for fabricating the same
SONY CORP0 citations51
US7781861B2Aug 24, 2010
Semiconductor device
SONY CORP1 citations49
US6610603B2Aug 26, 2003
Method of manufacturing a capacitor
SONY CORP0 citations41
SONY SEMICONDUCTOR SOLUTIONS CORP
5 patentsUS12262129B2Mar 25, 2025
Solid-state imaging device and electronic apparatus including two floating diffusion regions
SONY SEMICONDUCTOR SOLUTIONS CORP1 citations63
US12396279B2Aug 19, 2025
Solid-state image pickup apparatus and electronic equipment
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations61
US11804500B2Oct 31, 2023
Solid-state image pickup apparatus and electronic equipment
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations61
US11121158B2Sep 14, 2021
Solid-state image pickup apparatus and electronic equipment
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations61
US11069801B2Jul 20, 2021
Semiconductor device, electronic apparatus, and method of manufacturing semiconductor device
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations51