Inventor

KATAKURA MASAYUKI

JP51 patents

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

KATAKURA MASAYUKI

SONY CORP

Liquid crystal display drive circuit and liquid crystal display

Amplifier circuit and control signal generator

Phase adjustment circuit including a ring oscillator in a phase locked loop

Nonlinearity compensation circuit and method, control circuit and method for nonlinearity compenstation circuit and recording and/or playback apparatus employing the same

Analog value memory circuit

Voltage controlled oscillator including a plurality of buffer circuits diodes, current sources, MIS capacitors

Cross coupled symmetrical current source unit

Voltage to current converters for use in an active filter and with a moise reduction circuit

Noise reduction circuit with a main signal path and auxiliary signal path having a high pass filter characteristic

Gain control circuit

Voltage controlled variable gain circuit

Noise reduction circuit having voltage to current converting means in the auxiliary channel

Gain control circuit

Gain control circuit

Digital-to-analog converting system

Level detecting circuit

Level detecting circuit

Noise reduction circuit

Variable gain amplifier apparatus

Liquid crystal display device and data line drive circuit of liquid crystal display device

Receiver

Current amplifier

Phase-locked circuit

Sine wave generation circuit

Differential amplifier circuit having non-linerity cancellation feature

Emitter coupled logic circuit

Peak value detecting circuit

Intergrated multisound signal demodulator circuit

Variable emphasis circuit

Differential ring oscillation circuit, device, and oscillation control method

Noise reduction circuit

Noise reduction circuit

Bias circuit and radio communication apparatus using same

Clock generation circuit for analog value memory circuit

Image pickup unit, method of driving image pickup unit, and image pickup display system

Sine wave multiplication circuit and sine wave multiplication method

TOKYO SHIBAURA ELECTRIC CO

Electrically variable impedance circuit

Rms circuit

Tristate changeover switching circuit

Bias circuit

Voltage controlled variable gain circuit

Transistor circuit

SONY SEMICONDUCTOR SOLUTIONS CORP

Power supply circuit comprising a charge pump circuit and a feedback circuit for the charge pump circuit

Current source circuit and electronic device

Semiconductor circuit apparatus and system equipped with semiconductor circuit apparatus

Power supply circuit and power supply apparatus

Amplifier

TAMAGAWA SEIKI CO LTD

Angle detection apparatus computing phase differences between first and second phase angles

SEMICONDUCTOR TECH ACAD RES CT

Fully-differential amplifier

KATAKURA MASAYUKI

Rotary agitation type heat treatment apparatus