Inventor

IWAMURA RYUICHI

US116 patents

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

IWAMURA RYUICHI

SONY CORP

PLC breaker bridge

Power-line communication based surveillance system

Remote control system

Motion sensing interface

Music search by melody input

Device control with topology map in a digital network

Optical disk having a particular format to store user-selected data, such as compressed video data or computed files, including a dedicated TOC region and an application TOC to identify the video compression format

Method and apparatus for recording MPEG-compressed video data and compressed audio data on a disk

Method for reproducing compressed information data from a disk using a spatial frequency less than the track pitch

Picture signal encoding and/or decoding apparatus

Bandwidth management in a network

User interface with thin display device

Caption display method for using digital video system

Interframe motion predicting method and picture signal coding/decoding apparatus

Signal input selector for television set and method of implementing same

Apparatus and method for decoding an information page having header information and page data

Frame-accurate edit and playback in digital stream recording

Optical disk and method and apparatus for recording and then playing information back from that disk

Optical disk having a particular format to store user-selected data, such as video data or computer files, including a dedicated TOC region

Method and apparatus for error correcting reproduced data

Compressed motion picture signal expander with error concealment

Multiple picture/sound signals decoding apparatus

Motion picture decoding system which affords smooth reproduction of recorded motion picture coded data in forward and reverse directions at high speed

System and method for multi-link communication in home network

System and method for providing access in powerline communications (PLC) network

Systems and methods for use in providing local power line communication

Graphic user interface for digital networks

Power line communication network security system

Systems and methods for device registration using optical transmission

Bandwith management in a network

Isochronous transmission for IP-oriented network

Time slot and carrier frequency allocation in a network

Cross-phase adapter for powerline communications (PLC) network

Power saving display mode for organic electroluminescent displays

Optical disk having a particular format to store user-selected data, such as video data or computer files, including a dedicated TOC region

Method and apparatus for recovering TOC and user information from an optical disk and using the TOC information to access user tracks

Search index for a music file

Method for reproducing compressed information data from a disk using a spatial frequency less than the track pitch

System and method for aligning an antenna

Television with integrated receiver decoder

Digital signal encoding method and apparatus, digital signal recording medium, and digital signal decoding method and apparatus

Image data regenerating apparatus

SONY ELECTRONICS INC

PLC intercom/monitor

Plural interfaces in home network with first component having a first host bus width and second component having second bus width

Method and system for controlling a display device

Bandwidth management of virtual networks on a shared network

Graphic user interface for digital networks

PC card recorder

Method and apparatus for non-centralized network bandwidth management

SHINTANI PETER

Broadcast download system via broadband power line communication