Inventor

ISHIDA KAORU

JP86 patents

⚠️ This page may combine multiple inventors who share the name “ISHIDA KAORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIDA KAORU

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Predistortion circuit, low-distortion power amplifier, and control methods therefor

Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit

Feedforward amplifier

Power splitter/ combiner circuit, high power amplifier and balun circuit

Mobile telephone transmitter with internal auxiliary matching circuit

High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier

Transmitter of wireless system and high frequency power amplifier used therein

Dual-band multilayer bandpass filter

Power amplifier, power amplifying method and radio communication apparatus

Power splitter/combiner circuit, high power amplifier and balun circuit

Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component

High-frequency oscillating circuit

Power amplifier

Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands

Power amplifier MMIC and mobile communication terminal

Dual band oscillator circuit using strip line resonators

Time division multiple access FDD/TDD dual mode radio and a time division multiple access TDD dual band system

Predistortion linearizer and predistortion distortion compensation method, program, and medium

Radio communication base state system including optical advanced base station

Power amplifier

Distortion-compensated amplifying circuit

Feedforward amplifier

Multi-carrier transmitter circuit and communication equipment

Power amplifier, power control method for power amplifier, and communication equipment

Receiving device, semiconductor integrated circuit, transmitting/receiving device, transport apparatus portable transmitting/receiving device, communication system and receiving method

Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus

Transmitter of wireless system and high frequency power amplifier used therein

Predistortion circuit, low-distortion power amplifier, and control methods therefor

Power amplifier and communication apparatus

Predistortion circuit and power amplifier

Predistortion circuit, low-distortion power amplifier, and control methods therefor

High frequency switch and communication apparatus with a high frequency voltage divider

Power splitter/combiner multi-layer circuit

Power splitter/combiner circuit, high power amplifier and balun circuit

Power splitter and power combiner using N-branch-line-shaped directional couplers

Feed forward amplifier

Three-dimensional optical waveguide, method of manufacturing same, optical module, and optical transmission system

PANASONIC CORP

PLL modulation circuit, radio transmission device, and radio communication device

Receiving circuit, and receiving apparatus and transmitting/receiving apparatus using the receiving circuit

Transmission circuit and communication apparatus employing the same

Direct conversion receiving apparatus and celluar phone

Transmission circuit and communication device

Wireless circuit device

Transmission circuit comprising multistage amplifier, and communication device

Transmission circuit, and communication apparatus using the same

FM modulator

KITAMURA RYO

Transmission circuit for bias control of power amplifier

PANSONIC CORP

Three-dimensional optical waveguide, method of manufacturing same, optical module, and optical transmission system

KATO AKIRA

Wireless communication apparatus

KINUGAWA RUBBER IND

Traffic sign with vertically movable light source