Inventor

OKAMOTO HIROO

JP138 patents

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

OKAMOTO HIROO

HITACHI LTD

Method and apparatus for receiving and/or reproducing digital signal

Recording apparatus and reproducing apparatus for video signals

Information receiving and recording/reproducing apparatus/method having function for limiting/delimiting for protecting copyright of recording information

Digital signal recording/reproducing apparatus

Digital signal recording devices, digital signal recording/ playback devices, and digital signal receiving/recording/playback devices

Input-output circuit, recording apparatus and reproduction apparatus for digital video signal

Method and apparatus for recording digital signal

Apparatus for recording and reproducing temporally compressed digital information signal

Information management apparatus for inhibiting reproduction in a video cassette recorder

Digital information signal transmitting/receiving method and system

Information recording and reproduction apparatus to be controlled by temporal information

Method and apparatus for recording digital signals

Image recording and reproducing apparatus

Digital signal processing apparatus

Input-output circuit, recording apparatus and reproduction apparatus for digital video signal

Method and apparatus for receiving and/or reproducing digital signal

Method and apparatus for recording digital signal

Subscriber terminal of an interactive communication system and control device thereof

Method and apparatus for recording and/or reproducing PCM signals

PCM signal recording and reproducing apparatus including simultaneous error detection/correction

Method and apparatus for recording and reproducing a digital signal with a stationary head

Decoding method and system for doubly-encoded Reed-Solomon codes

Recording/ reproducing apparatus and input/ output device

Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signal

Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal

Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signal

Apparatus for selectively recording and reproducing received analog and digital signals

Recording and/or reproducing apparatus for recording and/or reproducing image data compressed according to different compressing methods

Error correction method and system

Rotary head type digital signal recording and/or reproducing apparatus for recording and/or reproducing with a variable speed

Content transmitting device, content receiving device and content transmitting method

Digital information recording apparatus and outputting apparatus

Data encrypting/decrypting conversion methods and apparatuses and data communication system adopting the same

Digital signal recording/reproducing apparatus and recording method

Digital information recording-reproducing apparatus

Digital signal transmission method providing high error correction capability

Rotary-head type PCM data recording/reproducing method and apparatus with a redundancy-reduced control data format

Multitrack PCM reproducing apparatus

Contents transmitter apparatus, contents receiver apparatus and contents transmitting method

Editing method and recording and reproducing device

Still picture information recording medium and method and apparatus for reproducing still picture information therefrom

Recording medium and method for reproducing information therefrom

HITACHI AMERICA LTD

Trick play data indentification methods and apparatus for use with digital video recording and playback devices

Methods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operation

Digital video recording device with trick play capability

Digital recording and playback device error correction methods and apparatus for use with trick play data

YOSHIDA SUSUMU

Editing method and recording and reproducing device

SHOWA YUKA KK

Flare monitoring apparatus

PIONEER ELECTRONIC CORP

Offset compensation circuit

TERAOKA HIDETOSHI

Content transmitter and receiver apparatus and content transmitting and receiving method