Inventor
TOMIYAMA HITOSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “TOMIYAMA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
16 patentsUS8019314B2Sep 13, 2011
Radio communication apparatus
SONY CORP9 citations83
US5909644AJun 1, 1999
AM radio receiver
SONY CORP20 citations83
US5285172AFeb 8, 1994
Current mirror power amplifier with gain controlled by resistor-capacitor network
SONY CORP8 citations74
US6242981B1Jun 5, 2001
AGC circuit
SONY CORP8 citations73
US10228469B2Mar 12, 2019
Reception device
SONY CORP3 citations71
US5300826AApr 5, 1994
Interface circuit for audio signal
SONY CORP4 citations63
US6463268B2Oct 8, 2002
ALC circuit receiver with sensitivity switching for controlling
SONY CORP6 citations62
US6281757B1Aug 28, 2001
High frequency signal amplifying circuit and a receiver using the same
SONY CORP4 citations62
US9167185B2Oct 20, 2015
Transmission and reception apparatus and transmission and reception system
SONY CORP2 citations59
US9729814B2Aug 8, 2017
Signal processing device and method
SONY CORP0 citations51
US9531417B2Dec 27, 2016
Receiving circuit, receiving device, and receiving method
SONY CORP1 citations51
US9083927B2Jul 14, 2015
Monitoring camera system and control method for monitoring camera system
SONY CORP0 citations51
US6064255AMay 16, 2000
Pulse counting FM demodulator
SONY CORP1 citations51
US5838184ANov 17, 1998
Equivalent variable resistor circuits
SONY CORP1 citations51
US10374849B2Aug 6, 2019
Signal processing apparatus and method
SONY CORP0 citations42
US10333580B2Jun 25, 2019
Communication apparatus and method for controlling communication apparatus
SONY CORP0 citations41
SONY SEMICONDUCTOR SOLUTIONS CORP
4 patentsUS11463045B2Oct 4, 2022
Oscillator circuit and radio receiver
SONY SEMICONDUCTOR SOLUTIONS CORP2 citations71
US11340647B2May 24, 2022
Reference voltage generation circuit
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations62
US11038462B2Jun 15, 2021
Semiconductor device and wireless communication apparatus
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations61
US10250844B2Apr 2, 2019
Signal processing device and method
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations51