Inventor

IKEUCHI TADASHI

US81 patents

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

IKEUCHI TADASHI

FUJITSU LTD

Constellation shaping of modulation formats for optical communication systems

Error correction in optical networks with probabilistic shaping and symbol rate optimization

Probabilistic constellation shaping for optical networks with diverse transmission media

Probabilistic constellation shaping using set-partitioned M-QAM

Reach extension for optical networks through control of modulation formats and numbers of subcarriers

Reach extension of multi-carrier channels using unequal subcarrier spacing

DQPSK optical receiver circuit

Drive control apparatus and drive control method for optical modulator

Optical signal transmitter

Relay substrate and substrate assembly

Light output control device

Optical transmission circuit using a semiconductor laser

Optical transmitter circuit

Light emitting element driving apparatus

Burst mode optical transmitter circuit

Semiconductor laser drive

Fiber input power selection for probabilistically shaped signals in optical networks

Reducing variance in reach of WDM channels in an optical network

Cooperative autonomous driving for traffic congestion avoidance

Efficient message forwarding for distributed resource orchestration

Systems and methods for reconfiguring an adaptive optical network when adding an optical path

Deskew device and deskew method

RZ-DPSK optical receiver circuit

Optical module

Service function chaining based on resource availability in the time dimension

Seamless service function chaining across domains

Coil package and bias tee package

Electronic component package

Probabilistic shaping on eight-dimensional super-symbols

Direct current cut structure

Multiplexing of resource blocks within a communications network for dynamic service provisioning

Optical system for compensating for signal loss

Service function chain mapping using multiple parallel microservices instances

Optical system for compensating for signal loss

Fragmentation-aware intelligent autonomous intersection management using a space-time resource model

Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks

Cross-domain orchestration of switch and service functions

Distributed virtual network embedding

Carrier suppressed multi-level pulse amplitude modulation

Low noise colorless, directionless, contentionless reconfigurable optical add/drop multiplexer

Optical phase-sensitive amplifier with fiber bragg grating phase shifter

Nonlinear noise mitigation with spectral inversion in optical transport networks

Pre-amplifier for optical receiving and optical receiver using the same

Digital representations of physical intelligent moving objects

Monitoring-based edge computing service with delay assurance

Just-enough-time provisioning of service function chain resources

Edge-accelerated artificial intelligence for collaborative sensing of physical intelligent moving objects

Optical phase-sensitive amplifier with signal noise removal

YAGISAWA TAKATOSHI

Optical receiver and optical transmitter

IKEUCHI TADASHI

Connection terminal and transmission line