Inventor

IIDA DAISUKE

JP41 patents

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

IIDA DAISUKE

NIPPON TELEGRAPH & TELEPHONE

Phase measurement method and signal processing device

Distributed vibration measuring device and method

Vibration distribution measuring system, vibration waveform analysis method, vibration waveform analyzing device, and analyzing program

Optical fiber evaluation method and optical fiber evaluation apparatus

Light intensity distribution measurement method and light intensity distribution measurement device

Optical pulse testing device and optical pulse testing method

Optical fiber test method and optical fiber test device

Brillouin optical sensing device and optical sensing method

Several mode fiber test method and several mode fiber test device

Aerial optical fiber cable inspection method, aerial optical fiber cable inspection device, and program

Test method and test device for mode field diameter

Measuring device and measuring method using tape core wire

Devices and methods for measuring the amount of frequency modulation

Technique for analyzing a spectrum of backscattered light in an optical fiber

Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and program

Phase measuring method and signal processing device

Vibration detection method with improved signal processing

Phase measurement method, signal processing device, and program

Device for measuring optical frequency reflection and measurement method thereof

Brillouin gain spectrum distribution measurement method and equipment

Power coupling coefficient measuring method and power coupling coefficient measuring device

Optical pulse test method and optical pulse test equipment

Optical fiber measurement system, optical fiber measurement method, control arithmetic device, and program

Optical fiber route search method, optical fiber route search device and program

Manhole position specification method and manhole position specification system

Distributed optical fiber vibration measurement device and distributed optical fiber vibration measurement method

NTT INC

Distributed acoustic sensing device and method

Positioning method of electric pole and estimating method of the state of overhead optical fiber cable

Overhead optical cable test system and method

Coherent optical measuring device for facility line test

Vibration detection device and vibration detection method

EISAI R&D MAN CO LTD

Pyrimidine compound and medicinal composition thereof

Benzimidazole compound

Hetero-fused cyclic compound

Pyrazolo[1,5-a]pyrimidine compound

SUMITOMO ELECTRIC INDUSTRIES

Electrode for electric storage device, electric storage device and manufacturing method of electrode for electric storage device

Electrode for power storage device, power storage device, and method for manufacturing electrode for power storage device

HAMAMATSU PHOTONICS KK

Light-emitting diode element

Optical semiconductor element

NGK INSULATORS LTD

Lithium secondary cell

MIYAZAWA SHUHEI

Benzimidazole compound