Inventor

OGAWA KENSUKE

JP38 patents

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

OGAWA KENSUKE

FUJIKURA LTD

Optical waveguide element and optical modulator

Polarization conversion element

Optical waveguide element

Optical waveguide device having a light absorber for split out modes

Optical integrated circuit

High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator

Optical element and Mach-Zehnder optical waveguide element

Detection device, optical path length measurement device, measurement instrument, optical member evaluation method, and temperature change detection method

Optical modulation device

Optical receiver circuit and adjustment method for same

Planar optical waveguide device and DP-QPSK modulator

Phase shift interferometer

Chromatic dispersion measurement device and chromatic dispersion measurement method for measuring the dispersion of light pulses

Optical waveguide device and method of manufacturing the same

Polarization conversion device

Dispersion compensation element, optical crystal, dispersion compensation system, dispersion compensation method

Optical waveguide element

Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator

Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and method for manufacturing optical waveguide element

HITACHI LTD

Semiconductor optical device with nanowhiskers

Semiconductor device using whiskers

Non-linear optical saturable absorber layer in an optical disk to discriminate wavelength above or below a threshold level of intensity

Superconductized semiconductor device using penetrating Cooper pairs

Optical quantum interference device/optical computer and method of modulating light using same

Optical quantum interference device and method of modulating light using same

Optical device

Nanofabricated device for multiple-state logic operation

OGAWA KENSUKE

Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator

Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator

Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator

BUSSAN NANOTECH RES INST INC

Instruments of optical pulse characterization

Instruments of optical pulse characterization

SAKUMA KEN

Manufacturing method of planar optical waveguide device with grating structure

Manufacturing method of planar optical waveguide device with grating structure

BUSSAN NANOTECH RES INC

Dispersion compensation device

LUMENTUM JAPAN INC

Electro-optic waveguide device and optical module

FUJITSU OPTICAL COMPONENTS LTD

Optical modulation element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Adaptive dispersion compensation device and control method for the same