Akira Oka

Person

Sakura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module and inputting method
- Patent number 10,422,953
- Issue date Sep 24, 2019
- Fujikura Ltd.
- Takuya Oda
- G02 - OPTICS
Information Patent Grant
Substrate-type optical waveguide element and method for producing s...
- Patent number 9,874,692
- Issue date Jan 23, 2018
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide device, DP-QPSK modulator, coherent receiv...
- Patent number 9,851,504
- Issue date Dec 26, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Substrate-type optical waveguide element
- Patent number 9,851,505
- Issue date Dec 26, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide device, polarization multiplexing 4-value...
- Patent number 9,835,798
- Issue date Dec 5, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Substrate-type optical waveguide element
- Patent number 9,810,842
- Issue date Nov 7, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Substrate-type optical waveguide element
- Patent number 9,784,918
- Issue date Oct 10, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
High-order polarization conversion device, optical waveguide device...
- Patent number 9,557,482
- Issue date Jan 31, 2017
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Polarization conversion element
- Patent number 9,529,151
- Issue date Dec 27, 2016
- Fujikura Ltd.
- Kazuhiro Goi
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide element, dual polarization quadrature phas...
- Patent number 9,500,807
- Issue date Nov 22, 2016
- Fujikura, Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide device and DP-QPSK modulator
- Patent number 9,335,472
- Issue date May 10, 2016
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Substrate-type waveguide element and optical modulator
- Patent number 9,304,254
- Issue date Apr 5, 2016
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS
Information Patent Grant
Polarization conversion device
- Patent number 9,008,476
- Issue date Apr 14, 2015
- Fujikura Ltd.
- Akira Oka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE AND INPUTTING METHOD
- Publication number 20190170939
- Publication date Jun 6, 2019
- FUJIKURA LTD.
- Takuya Oda
- G02 - OPTICS
Information Patent Application
SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT AND METHOD FOR PRODUCING S...
- Publication number 20170176680
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT
- Publication number 20170176677
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT
- Publication number 20170176678
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT
- Publication number 20170176679
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
PLANAR OPTICAL WAVEGUIDE DEVICE, POLARIZATION MULTIPLEXING 4-VALUE...
- Publication number 20170139136
- Publication date May 18, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
PLANAR OPTICAL WAVEGUIDE DEVICE, DP-QPSK MODULATOR, COHERENT RECEIV...
- Publication number 20170017033
- Publication date Jan 19, 2017
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
HIGH-ORDER POLARIZATION CONVERSION DEVICE, OPTICAL WAVEGUIDE DEVICE...
- Publication number 20160178841
- Publication date Jun 23, 2016
- FUJIKURA LTD.
- Akira OKA
- G02 - OPTICS
Information Patent Application
POLARIZATION CONVERSION ELEMENT
- Publication number 20160178842
- Publication date Jun 23, 2016
- FUJIKURA LTD.
- Kazuhiro GOI
- G02 - OPTICS
Information Patent Application
PLANAR OPTICAL WAVEGUIDE ELEMENT, DUAL POLARIZATION QUADRATURE PHAS...
- Publication number 20160062038
- Publication date Mar 3, 2016
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
SUBSTRATE-TYPE WAVEGUIDE ELEMENT AND OPTICAL MODULATOR
- Publication number 20150234121
- Publication date Aug 20, 2015
- FUJIKURA LTD.
- Akira Oka
- G02 - OPTICS
Information Patent Application
PLANAR OPTICAL WAVEGUIDE DEVICE AND DP-QPSK MODULATOR
- Publication number 20150104128
- Publication date Apr 16, 2015
- FUJIKURA LTD.
- Akira OKA
- G02 - OPTICS
Information Patent Application
POLARIZATION CONVERSION DEVICE
- Publication number 20150003782
- Publication date Jan 1, 2015
- FUJIKURA LTD.
- Akira OKA
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Optical module and inputting method

Substrate-type optical waveguide element and method for producing s...

Planar optical waveguide device, DP-QPSK modulator, coherent receiv...

Substrate-type optical waveguide element

Planar optical waveguide device, polarization multiplexing 4-value...

Substrate-type optical waveguide element

Substrate-type optical waveguide element

High-order polarization conversion device, optical waveguide device...

Polarization conversion element

Planar optical waveguide element, dual polarization quadrature phas...

Planar optical waveguide device and DP-QPSK modulator

Substrate-type waveguide element and optical modulator

Polarization conversion device

Patents Applicationslast 30 patents

OPTICAL MODULE AND INPUTTING METHOD

SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT AND METHOD FOR PRODUCING S...

SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT

SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT

SUBSTRATE-TYPE OPTICAL WAVEGUIDE ELEMENT

PLANAR OPTICAL WAVEGUIDE DEVICE, POLARIZATION MULTIPLEXING 4-VALUE...

PLANAR OPTICAL WAVEGUIDE DEVICE, DP-QPSK MODULATOR, COHERENT RECEIV...

HIGH-ORDER POLARIZATION CONVERSION DEVICE, OPTICAL WAVEGUIDE DEVICE...

POLARIZATION CONVERSION ELEMENT

PLANAR OPTICAL WAVEGUIDE ELEMENT, DUAL POLARIZATION QUADRATURE PHAS...

SUBSTRATE-TYPE WAVEGUIDE ELEMENT AND OPTICAL MODULATOR

PLANAR OPTICAL WAVEGUIDE DEVICE AND DP-QPSK MODULATOR

POLARIZATION CONVERSION DEVICE