Inventor

YAMAWAKI TAIZO

JP78 patents

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

YAMAWAKI TAIZO

HITACHI LTD

Digital calibration type analog-to-digital converter and wireless receiver circuit and wireless transceiver circuit using the same

Receiver apparatus controlling the power consumption according to the reception signal level

Phase-locked loop circuit and radio communication apparatus using the same

Analog-to-digital converter and communication device and wireless transmitter and receiver using the same

Multimode wireless communication apparatus and high frequency integrated circuit therefor

Analog-to-digital converter, method of controlling the same, and wireless transceiver circuit

Receiver and radio communication terminal using the same

Successive approximation analog-to-digital converter

PLL circuit and wireless mobile station with that PLL circuit

Analog/digital converter and semiconductor integrated circuit device

Digital calibration type analog-to-digital converter and wireless receiver circuit and wireless transceiver circuit using the same

MURATA MANUFACTURING CO

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

High-frequency signal processing apparatus and wireless communication apparatus

RENESAS TECH CORP

Mobile communication apparatus including dividers in transmitter and receiver

Variable gain amplifier for use in communications

Direct-conversion transmitter circuit and transceiver system

Transmitter and mobile communication terminal using the same

Direct-conversion transmitter circuit and transceiver system

Transmitter and mobile communication terminal using the same

Mobile communication apparatus

PLL circuit and radio communication terminal apparatus using the same

RENESAS ELECTRONICS CORP

Radio frequency device and mobile communication terminal using the same

Integrated circuit and device for mobile communications

Transceiver

Transceiver

TANAKA SATOSHI

Mobile communication apparatus

Transceiver

Transceiver

TTP COMMUNICATIONS LTD

Mobile communication apparatus

Direct-conversion transmitting circuit and integrated transmitting/receiving circuit

PLL circuit and radio communication terminal apparatus using the same

OSHIMA TAKASHI

Analog/digital converter and semiconductor integrated circuit device

Analog-digital converter chip and RF-IC chip using the same

HITACHI INT ELECTRIC INC

Power circuit used for an amplifier

DCDC converter unit, power amplifier, and base station using the same

MAEDA KOJI

Semiconductor integrated communication circuit and operation method thereof

HTACHI LTD

Wireless communication apparatus

HITACHI AUTOMOTIVE SYSTEMS LTD

Power line communication apparatus and electronic control apparatus including power line communication apparatus

RENESAS MOBILE CORP

Semiconductor device and radio communication terminal mounting the same

TTP COMM LTD

Transmitter and radio communication terminal using the same

NORIMATSU TAKAYASU

Transmitter and semiconductor integrated circuit available for it

THE TECHNOLOGY PARTNERSHIP PLC

Phase-locked loop circuit and radio communication apparatus using the same