Inventor

IWAMOTO YOSHINAO

22 patents

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

IWAMOTO YOSHINAO

KOKUSAI DENSHIN DENWA CO LTD

Optical fiber with light reflecting particles dispersed through buffer layers to dissipate leaky cladding modes

Rotary joint for optical fibers

Multi-point optical amplification repeating system

Optical amplification

Fault monitoring system for optical fiber communication systems

Underwater optical fiber connector

System for detecting a cable buried under the seabed

Signal coupling system for optical repeater system

Marine cable burying method and device therefor

System for measuring delay time variation in optical fiber digital communication system

Optical privacy communication system in two-way optical transmission system

Burying device for submarine cables and method for guiding the same

Apparatus for supplying AC current to an underwater cable

Alternating current induction method using an annular magnetic coupling body for detecting the position of a buried submarine cable

Frequency selective detecting system for detecting alternating magnetic fields

Under-water cable burying device

Buried cable locating system

Guiding method for cable burying device and a device therefor

Optical fiber cable

DUO FAST CORP

Core alignment system for optical fibers

IMOTT INC

Scissors

OHTAKE NAOTO

Protective film and method for producing same