Inventor

WATANABE SHIGEKI

JP129 patents

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

WATANABE SHIGEKI

FUJITSU LTD

Optical communication system

Optical communication system compensating for chromatic dispersion and phase conjugate light generator for use therewith

Method, optical device, and system for optical fiber transmission

Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same

Method, device, and system for waveform shaping of signal light

Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same

Optical gate device, manufacturing method for the device, and system including the device

Method and device for generation of phase conjugate light and wavelength conversion, and system having the device

Application of phase conjugate optics to optical systems

Optical communication system

Receiver for coherent optical communication

Polarization diversity optical receiver for coherent optical communication

Optical switch and optical waveform monitoring device utilizing optical switch

Optical gate device, manufacturing method for the device, and system including the device

Device and system for phase conjugate conversion and wavelength conversion

Optical AND gate and waveform shaping device

Device and system for phase conjugate conversion and wavelength conversion

Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same

Method and device for waveform shaping of signal light

Method, device, and system for waveform shaping of signal light

Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same

Optical gate device, manufacturing method for the device, and system including the device

Optical communication system using optical phase conjugation to suppress waveform distortion caused by chromatic dispersion and optical Kerr effect

Device and system for waveform shaping

Tunable wavelength four light wave mixer

Optical communication system using optical phase conjugation to suppress waveform distortion caused by chromatic dispersion and optical kerr effect

Optical communication method and optical communication system based on optical phase conjugation

Method and apparatus of driving an optical modulator to measure, and compensate for, dispersion in an optical transmission line

Optical communication system using optical phase conjugation to suppress waveform distortion caused by chromatic dispersion and optical kerr effect

Optical fiber communication system using optical phase conjugation

Apparatus for driving an optical modulator to measure, and compensate for, dispersion in an optical transmission line

Method and apparatus of driving an optical modulator to measure, and compensation for dispersion in an optical transmission line

Optical systems making use of phenomenon of stimulated brillouin scattering

Optical systems making use of phenomenon of stimulated brillouin scattering

Demodulator and a polarization diversity receiver for coherent optical communication provided with the demodulator

Optical waveform measuring apparatus and optical waveform measuring method

Pulse generating apparatus and method

Method, device, and system for processing optical signal

Method and device for waveform shaping of signal light

Method and device for measuring the waveform of an optical signal

Method, device, and system for waveform shaping of signal light

Direct modulation phase shift keying (dm-psk) transmission system

Heterodyne receiver for coherent optical communication

Direct modulation phase-shift-keying system and method

WATANABE SHIGEKI

Optical signal processor

Optical signal processing device

Optical signal processing apparatus, optical receiving apparatus, and optical relay apparatus

MITSUBISHI MOTORS CORP

Vehicle body structure

Vehicle floor panel

TOSHIBA KK

Air-conditioning apparatus having heat source unit and plural indoor units connected to the heat source unit