Inventor

NAITO TAKAO

JP135 patents

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

NAITO TAKAO

FUJITSU LTD

Method and apparatus for scrambling the polarization of signal lights forming a wavelength division multiplexed signal light

Wavelength division multiplexing optical transmission system and optical transmitting device used in the transmission system

Receiver for coherent optical communication

Polarization diversity optical receiver for coherent optical communication

Optical sending apparatus and channel extension method

Wavelength division multiplexing optical transmission system, optical amplifier and dispersion compensator

Raman amplifier and optical transmission system using the amplifier

Optical communication system and optical reception apparatus using synchronous polarization scrambler

Optical transmission path having sections which overcompensate for dispersion occurring in the sections

Wavelength dispersion compensating method and optical transmission system

Wavelength division multiplexing optical transmission system

Gain equalizer and optical transmission system having the gain equalizer

Polarization scrambler and integrated optical circuit making use thereof

Optical phase conjugator and optical reception apparatus and optical transmission apparatus for use with optical communication system employing the optical phase conjugator

Optical transmission line relayed with multistage optical amplifiers

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

Optical transmission method and optical transmission system utilizing Raman amplification

Optical amplifier

Raman amplifier and optical transmission system

Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system

Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system

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

Heterodyne receiver for coherent optical communication

Direct modulation phase-shift-keying system and method

Optical modulator outputting an optical signal with a drive voltage signal dependent upon an input signal

Over-discharge protection circuitry

Modulating a signal using a fractional phase modulator

Method and system for compensating for optical dispersion in an optical signal in a hybrid optical network

Optical network system

System and method for managing network components in a hybrid passive optical network

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Apparatus and method for centering a printing screen over an object

Automatic squeegee angle and pressure adjusting means

Screen printing method and screen printing apparatus

Screen printing apparatus

Power-driven screwdriver with a torque control

Screen printing method and apparatus therefor

Component supply apparatus

Screen printing apparatus and screen printing method

Method and apparatus for collectively changing components at component supply section

Printing mask cleaning apparatus and method

Component supply apparatus

Apparatus and method for printing solder paste

Cleaning apparatus and cleaning method

ZHANG QIONG

Determining disjoint paths with an optimized number of regenerators

Systems and methods for multi-domain routing

AKASAKA YOUICHI

System and method for communicating wireless data utilizing a passive optical network

KIM INWOONG

Estimating frequency offset using a feedback loop

YAMADA KAZUO

Data processing apparatus

HARADA HARUO

Audio analysis terminal and system for emotion estimation of a conversation that discriminates utterance of a user and another person

KOBE STEEL LTD

Process for hydrolyzing and recycling a polyurethane