Inventor

TSUKIJI NAOKI

JP45 patents

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

TSUKIJI NAOKI

FURUKAWA ELECTRIC CO LTD

Semiconductor laser device and drive control method for a semiconductor laser device

Semiconductor laser device for use in a semiconductor laser module and an optical amplifier

Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same

Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiers

Device and method for providing a tunable semiconductor laser

Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module

Semiconductor laser module, manufacturing method thereof and optical amplifier

Semiconductor laser module, optical measuring method and optical measuring apparatus

Method of manufacturing a laser diode

Semiconductor laser apparatus and fabrication method of same, and semiconductor laser module

Semiconductor laser device and method for suppressing fabry perot oscillations

Semiconductor laser device and method for suppressing injection current

Semiconductor laser device having a diffraction grating on a light reflection side

Semiconductor laser device and semiconductor laser module using the same

Semiconductor laser device with a diffraction grating and semiconductor laser module

Semiconductor laser device, semiconductor laser module, and optical fiber amplifier

Semiconductor laser device for use in a laser module

Semiconductor laser device, semiconductor laser module, and optical fiber amplifier

Semiconductor laser device and method for effectively reducing facet reflectivity

Light-receiving element, light-receiving element array and light-receiving module and method for high frequency characteristics

Semiconductor laser device having a diffraction grating on a light emission side

Semiconductor laser device

Semiconductor laser device

Semiconductor laser device, semiconductor laser module, and Raman amplifier using the device or module

Method of manufacturing semiconductor element, and semiconductor element manufactured with this method

Semiconductor laser device, semiconductor laser module, Raman amplifier using the device or module, and method for forming a suitable current blocking layer

Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same

Photodiode array device, a photodiode module, and a structure for connecting the photodiode module and an optical connector

Semiconductor laser device and optical fiber amplifier using the same

Semiconductor laser device and semiconductor laser module

Semiconductor laser device with a strain reduction cushion function, semiconductor laser module, and semiconductor laser device fabrication method

Surface emitting laser element array

Semiconductor laser module and method for simultaneously reducing relative intensity noise (RIN) and stimulated brillouin scattering (SBS)

Optical semiconductor device and pumping light source for optical fiber amplifier

Electrode having substrate and surface electrode components for a semiconductor device

Semiconductor laser apparatus, semiconductor laser module, optical fiber amplifier and semiconductor laser usage determining method

Semiconductor laser device and semiconductor laser module

Optical interconnection system

Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the semiconductor laser module

Semiconductor laser device and semiconductor laser module using the device and method for low reflectivity

Method of manufacturing semiconductor laser element

THE FURUKAWA

Method for fabricating a semiconductor optical device having a ridge stripe

FURUKAWA SEISAKUSHO KK

Semiconductor laser module and Raman amplifier

TAKAKI KEISHI

Vertical cavity surface emitting laser apparatus

TSUKIJI NAOKI

Semiconductor light emitting element and manufacturing method thereof