Inventor

TAKEUCHI TOSHIFUMI

JP105 patents

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

TAKEUCHI TOSHIFUMI

HITACHI LTD

Optical disk and optical disk reproduction apparatus

Optical disk having table relating sector address and time and optical disk reproducing apparatus

Receiving device, recording and reproducing device and receiving/recording-reproducing system for digital broadcast signal

Method and apparatus for optical disk device

Digital signal recording/reproducing apparatus

Control method and apparatus for embedding information in data

Method for reproducing data, apparatus for reproducing data, method for coding data, method for recording data, apparatus for recording and reproducing data, method for authentication, semiconductor chip, reproducing apparatus, recording apparatus and data processing apparatus

Method and apparatus for recording and reproducing electronic watermark information, and recording medium

Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor

Digital signal recording method and disk reproducing apparatus

Information recording method, reproducing method and reproducing apparatus

Digital signal overlapped or joined recording method and apparatus

Reproduction apparatus and decoding apparatus

Data recording/reproduction apparatus and method

Water-mark embedding method and system

Method and apparatus for recording and reproducing electronic watermark information, and recording medium

Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium

Reproducing method and apparatus, for a video signal having copy control information

Method of recording image data and method of reproducing information from optical disk

Data reproducing apparatus

Information recording method, reproducing method, and reproducing apparatus

Information recording method, reproducing method, and reproducing apparatus

Rotary head type magnetic recording and reproducing apparatus

Header information of information signal recording and reproducing method and apparatus therefor

Disk reproducing apparatus capable of increasing speed of access to disks recorded at constant linear velocity

PCM signal recording method and apparatus for recording four-channel data to be compatible with two-channel data

PCM signal generating/reproducing apparatus

Digital watermark image processing method

Digital signal processor circuit for reproduction of digital data

Wobble signal reproducing circuit

Wobble signal reproducing circuit

Disk reproducing apparatus

Magnetic recording and reproducing device

Optical disk apparatus and information recording method

Method and apparatus for recording/reproducing digital video signal or audio signal, and optical disk apparatus

Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium

Information signal recording and playback method and apparatus therefor

Information recording method, reproducing method, and reproducing apparatus

Disk cartridge and disk device using the same

Method for recording digital signals on multiple-layered disks

Information medium having a plurality of recording surfaces

Disk reproducing apparatus controlling read signal from a disk by using demodulated identifying signal and stored identifying signal in a memory

Reproducing apparatus, recording apparatus and display apparatus

Reproducing apparatus, recording apparatus and display apparatus

Reproduction apparatus

Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor

Method and apparatus for recording/reproducing digital video signal or audio signal, and optical disk apparatus

TOSHIBA KK

Digital data transmitting method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Digital modulation apparatus, a digital modulation method, and a recording medium therefor

TOSHIFUMI TAKEUCHI

Method for evaluating artificial receptors