Inventor

OHYA JUN

JP28 patents

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

OHYA JUN

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical device and method for producing the same

Optical fiber amplifier and optical fiber transmission system

Optical transmission system and optical transmitter and optical receiver used therefor

Optical pulse generator using gain-switched semiconductor laser

Signal converter, optical transmitter and optical fiber transmission system

Short-wavelength laser element doped with rare earth ions, optical amplifier doped with rare earth ions, and wavelength converter doped with rare earth ions

Erbium-doped fiber amplifier and an optical fiber communication system

Optical fiber amplifier and optical fiber communication system

Optical fiber amplifier and optical fiber transmission apparatus

Optical signal amplification apparatus and an optical fiber transmission system using the same

Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus

Optical integrated circuit for heterodyne detection

Short optical pulse generators using mode-locked semiconductor lasers oscillating in transverse magnetic modes

Analog optical transmission system and optical fiber amplifier

Semiconductor laser device having monolithically formed active and passive cavities on the same substrate

Analog optical transmission system

Rare earth ion doped optical element

Optical fiber amplifier doped with dysprosium ion for the 1.3 μm wavelength band

Signal converter, optical transmitter and optical fiber transmission system

Optical transmitter

Intermediate isolator type fiber amplifier and fiber transmission system

Semiconductor laser module and optical transmission system

HITACHI LTD

Speed control apparatus of movable equipment

Information recording apparatus and information recording method

Method of authenticating disk management information and disk device

MATSUSHITA ELECTRIC INDUCTRIAL

Semiconductor laser device

OHYA JUN

Method of cutting workpiece with wire saw, and wire saw

TOYO ADVANCED TECH CO LTD

Wire saw apparatus and cut-machining method