Inventor

SAKAMOTO TAKAHIDE

JP25 patents

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

SAKAMOTO TAKAHIDE

NAT INST INF & COMM TECH

Super flat optical frequency comb signal generator

Optical FSK/SSB modulator having intensity balance function

Phase control optical FSK modulator

Automatic adjusting system of frequency shift keying modulator

Fourth harmonic generating system using optical double side-band suppressed carrier modulator

Optical amplitude modulation system capable of cancelling high order component

Photoelectric oscillator

Interval control-type optical comb

High-speed multiplied signal generating method and device

Method and device for calibrating a light intensity measurement device

Coherent sampling

Collective acquisition-type photodetection device and photodetection method having a time delay adjustment unit wherein each time-adjusted optical signal train is photomixed with an optical frequency comb at different timings in a photomixer

Optical up/down conversion-type optical phase conjugate pair signal transmission/reception circuit

High-speed photodetector array

DSB-SC modulation system capable of erasing carrier and secondary component

Reciprocating optical modulation system

SUMITOMO METAL IND

Zirconium liner thickness measuring method and an apparatus therefor for a zirconium alloy tube

Rotary probe apparatus for detecting flaws in a test object

Hot steel cutting apparatus

Method and apparatus for conditioning of steel surface

Steel surface inspection apparatus

KAWANISHI TETSUYA

Quadrature amplitude modulation signal generating device

Optical switch system using optical interference

High-speed multiplied signal generating method and device

Super high speed optical frequency sweeping technology