Inventor
OIKAWA RYUICHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “OIKAWA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENESAS ELECTRONICS CORP
22 patentsUS9917026B2Mar 13, 2018
Semiconductor device
RENESAS ELECTRONICS CORP13 citations83
US11749597B2Sep 5, 2023
Semiconductor device
RENESAS ELECTRONICS CORP2 citations73
US10090881B2Oct 2, 2018
Semiconductor device
RENESAS ELECTRONICS CORP2 citations73
US9560762B2Jan 31, 2017
Semiconductor device and circuit board
RENESAS ELECTRONICS CORP2 citations73
US9035450B2May 19, 2015
Semiconductor device and interconnect substrate
RENESAS ELECTRONICS CORP4 citations73
US10809470B2Oct 20, 2020
Electronic device and method of manufacturing the same
RENESAS ELECTRONICS CORP2 citations70
US11431378B2Aug 30, 2022
Semiconductor device
RENESAS ELECTRONICS CORP0 citations62
US11171083B2Nov 9, 2021
Semiconductor device
RENESAS ELECTRONICS CORP0 citations62
US11171112B2Nov 9, 2021
Semiconductor device
RENESAS ELECTRONICS CORP1 citations62
US10347552B2Jul 9, 2019
Semiconductor device
RENESAS ELECTRONICS CORP1 citations62
US9312216B2Apr 12, 2016
Semiconductor device with semiconductor chip and wiring layers
RENESAS ELECTRONICS CORP2 citations62
US12564081B2Feb 24, 2026
Electronic device and semiconductor device with wiring froups for parallel signal transmission
RENESAS ELECTRONICS CORP0 citations52
US12199053B2Jan 14, 2025
Electronic device and semiconductor device
RENESAS ELECTRONICS CORP0 citations52
US12165995B2Dec 10, 2024
Designing method and semiconductor device
RENESAS ELECTRONICS CORP0 citations52
US12009309B2Jun 11, 2024
Semiconductor device having a plurality of semiconductor layers covering an emission layer
RENESAS ELECTRONICS CORP0 citations52
US11437341B2Sep 6, 2022
Semiconductor device
RENESAS ELECTRONICS CORP0 citations52
US11177235B2Nov 16, 2021
Semiconductor device with improved signal transmission characteristics
RENESAS ELECTRONICS CORP0 citations52
US9620447B2Apr 11, 2017
Semiconductor device
RENESAS ELECTRONICS CORP0 citations52
US10403569B2Sep 3, 2019
Semiconductor device
RENESAS ELECTRONICS CORP0 citations41
US8373263B2Feb 12, 2013
Interconnection structure and its design method
RENESAS ELECTRONICS CORP0 citations41
US10027311B1Jul 17, 2018
Semiconductor device
RENESAS ELECTRONICS CORP0 citations39
US9461016B2Oct 4, 2016
Semiconductor device
RENESAS ELECTRONICS CORP0 citations39
NEC CORP
4 patentsUS5675160AOct 7, 1997
Semiconductor memory device having an internal amplification function
NEC CORP55 citations96
US6351000B1Feb 26, 2002
Semiconductor having a heterojunction formed between a plurality of semiconductor layers
NEC CORP12 citations73
US5942778AAug 24, 1999
Switching transistor and capacitor for memory cell
NEC CORP5 citations62
US5942764AAug 24, 1999
Semiconductor memory device and method of reading data in semiconductor memory device
NEC CORP1 citations52
OIKAWA RYUICHI
3 patentsUS9006910B2Apr 14, 2015
Interconnection structure
OIKAWA RYUICHI6 citations71
US8253421B2Aug 28, 2012
Impedance measurement method and impedance measurement device
OIKAWA RYUICHI1 citations50
US8104013B2Jan 24, 2012
Design method of semiconductor package substrate to cancel a reflected wave
OIKAWA RYUICHI0 citations50