Akira OKA

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tap coupler, optical communication apparatus, and optical branching...
- Patent number 12,021,562
- Issue date Jun 25, 2024
- Fujitsu Optical Components Limited
- Akira Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide device that converts polarization of light
- Patent number 11,714,234
- Issue date Aug 1, 2023
- Fujitsu Optical Components Limited
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Optical waveguide device operated as mode converter
- Patent number 11,662,522
- Issue date May 30, 2023
- Fujitsu Optical Components Limited
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Optical device, and light source module using the same
- Patent number 11,543,593
- Issue date Jan 3, 2023
- Fujitsu Optical Components Limited
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Optical waveguide device
- Patent number 11,460,635
- Issue date Oct 4, 2022
- Fujitsu Optical Components Limited
- Akira Oka
- G02 - OPTICS
Information Patent Grant
90-degree optical hybrid
- Patent number 11,307,355
- Issue date Apr 19, 2022
- Fujitsu Optical Components Limited
- Akira Oka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, OPTICAL TRANSMITTER DEVICE, AND OPTICAL RECEIVER DE...
- Publication number 20240230987
- Publication date Jul 11, 2024
- FUJITSU OPTICAL COMPONENTS LIMITED
- Tatsuya ITO
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, SUBSTRATE OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL CO...
- Publication number 20230305228
- Publication date Sep 28, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Jianping WANG
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, SUBSTRATE TYPE OPTICAL WAVEGUIDE ELEMENT, OPTICAL C...
- Publication number 20230244032
- Publication date Aug 3, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL 90-DEGREE HYBRID
- Publication number 20230208529
- Publication date Jun 29, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TAP COUPLER, OPTICAL COMMUNICATION APPARATUS, AND OPTICAL BRANCHING...
- Publication number 20230058705
- Publication date Feb 23, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT, OPTICAL COMMUNICATION APPARATUS, AND MET...
- Publication number 20230056455
- Publication date Feb 23, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE OPERATED AS MODE CONVERTER
- Publication number 20220206224
- Publication date Jun 30, 2022
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE THAT CONVERTS POLARIZATION OF LIGHT
- Publication number 20220206219
- Publication date Jun 30, 2022
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE
- Publication number 20210325607
- Publication date Oct 21, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
90-DEGREE OPTICAL HYBRID
- Publication number 20210294038
- Publication date Sep 23, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, AND LIGHT SOURCE MODULE USING THE SAME
- Publication number 20210263220
- Publication date Aug 26, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Akira OKA
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Tap coupler, optical communication apparatus, and optical branching...

Optical waveguide device that converts polarization of light

Optical waveguide device operated as mode converter

Optical device, and light source module using the same

Optical waveguide device

90-degree optical hybrid

Patents Applicationslast 30 patents

OPTICAL DEVICE, OPTICAL TRANSMITTER DEVICE, AND OPTICAL RECEIVER DE...

OPTICAL DEVICE, SUBSTRATE OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL CO...

OPTICAL DEVICE, SUBSTRATE TYPE OPTICAL WAVEGUIDE ELEMENT, OPTICAL C...

OPTICAL 90-DEGREE HYBRID

TAP COUPLER, OPTICAL COMMUNICATION APPARATUS, AND OPTICAL BRANCHING...

OPTICAL WAVEGUIDE ELEMENT, OPTICAL COMMUNICATION APPARATUS, AND MET...

OPTICAL WAVEGUIDE DEVICE OPERATED AS MODE CONVERTER

OPTICAL WAVEGUIDE DEVICE THAT CONVERTS POLARIZATION OF LIGHT

OPTICAL WAVEGUIDE DEVICE

90-DEGREE OPTICAL HYBRID

OPTICAL DEVICE, AND LIGHT SOURCE MODULE USING THE SAME