Inventor
HIRAI AKIHITO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI AKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
14 patentsUS10958223B2Mar 23, 2021
Amplifier
MITSUBISHI ELECTRIC CORP1 citations61
US10763826B2Sep 1, 2020
Polyphase filter
MITSUBISHI ELECTRIC CORP1 citations61
US12199360B2Jan 14, 2025
Antenna device
MITSUBISHI ELECTRIC CORP0 citations60
US11233495B2Jan 25, 2022
Mixer
MITSUBISHI ELECTRIC CORP1 citations58
US12444726B2Oct 14, 2025
Active phased array antenna comprising a pseudo wafer including multiple feeders
MITSUBISHI ELECTRIC CORP0 citations57
US11405001B2Aug 2, 2022
Image rejection mixer and communication circuit
MITSUBISHI ELECTRIC CORP0 citations51
US11088698B2Aug 10, 2021
Phase-locked loop circuit
MITSUBISHI ELECTRIC CORP0 citations51
US11012078B1May 18, 2021
IQ signal source
MITSUBISHI ELECTRIC CORP0 citations51
US10944360B2Mar 9, 2021
Local oscillator
MITSUBISHI ELECTRIC CORP0 citations51
US11879917B2Jan 23, 2024
Phase detector
MITSUBISHI ELECTRIC CORP0 citations50
US11870447B2Jan 9, 2024
Phase synchronization device
MITSUBISHI ELECTRIC CORP0 citations50
US11297695B2Apr 5, 2022
Dielectric heating device and dielectric heating electrodes
MITSUBISHI ELECTRIC CORP0 citations50
US12238861B2Feb 25, 2025
Composite printed wiring board and method of manufacturing composite printed wiring board
MITSUBISHI ELECTRIC CORP0 citations48
US11463047B2Oct 4, 2022
Mixer
MITSUBISHI ELECTRIC CORP0 citations48