Inventor

KATSUMATA KENJI

JP68 patents

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

KATSUMATA KENJI

HITACHI LTD

Digital signal transmission system with priority information forcing display of text on a receiver

Processing circuit for a plurality of different TV signals

Digital broadcast receiver unit

Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof

Decoder device and receiver using the same

Television receiver capable of enlarging and compressing image

Wide-screen television receiver with aspect ratio conversion function and method of displaying a range to be magnified and displayed

Digital broadcast receiver unit

Digital broadcast receiver unit

Decoder device and receiver using the same

Receiver, CPU and decoder for digital broadcast

Apparatus for receiving wide/standard picture plane television signal

Signal processor for a wide televison receiver

Sequential scanning converter with frame comb filter and freeze frame feature

Movement detector for composite color television signals

Movement detection circuit of a video signal used in a television receiver

YC-signal separation circuit responsive to magnitude of vertical correlation

Contour signal correction circuit for television receiver

Video signal processing circuit of motion adaptive type

Digital broadcasting receiver

Video decoder/converter with a programmable logic device which is programmed based on the encoding format

Digital broadcast transmitting and receiving system and transmitting and receiving apparatus thereof

Compatible wide aspect ratio receiver with spatial filtering for variable zoom

Receiver having motion picture data decoder

Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof

Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof

Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof

Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof

Video signal processing circuit capable of enlarging and displaying a picture

Video signal processing circuit capable of enlarging and displaying a picture

Decoder device and receiver using the same

Decoder device and receiver using the same

SONY CORP

Earphone

Speaker box

Headphone

Combined charger and infrared ray emitter

Combined disc player, radio receiver and tape recorder

Speaker box

KATSUMATA KENJI

Headphone

Headphone

Headphone

FUJITSU LTD

Heat sink

Board assembly including cooling system and electronic apparatus

Radiator and electronic device having the same

SONY GROUP CORP

Speaker

Speaker

HITACHI CONSUMER ELECTRONICS

Digital broadcast receiver unit

Digital broadcast receiver unit

KUMANO DAIGAKU

Television receiver

AOKI MICHIMASA

Cooling unit