Oka; Akira

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oka; Akira.The latest application filed is for "prediction device, prediction method, and work vehicle".

Company Profile

0.20.20

Oka; Akira - Tokyo JP
OKA; Akira - Kawasaki JP
Oka; Akira - Chiba JP
Oka; Akira - Sakura JP
Oka; Akira - Sakura-shi JP
Oka; Akira - Muko JA
Oka; Akira - Kyoto JA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Prediction Device, Prediction Method, And Work Vehicle App 20220213825 - Oka; Akira ; et al.	2022-07-07
Optical Waveguide Device Operated As Mode Converter App 20220206224 - OKA; Akira	2022-06-30
Optical Waveguide Device That Converts Polarization Of Light App 20220206219 - OKA; Akira	2022-06-30
90-degree optical hybrid Grant 11,307,355 - Oka April 19, 2	2022-04-19
Optical circuit device, and optical receiver Grant 11,223,425 - Oka January 11, 2	2022-01-11
Optical Waveguide Device App 20210325607 - OKA; Akira	2021-10-21
90-degree Optical Hybrid App 20210294038 - OKA; Akira	2021-09-23
Optical Circuit Device, And Optical Receiver App 20210273730 - OKA; Akira	2021-09-02
Optical Device, And Light Source Module Using The Same App 20210263220 - OKA; Akira	2021-08-26
Optical module and inputting method Grant 10,422,953 - Oda , et al. Sept	2019-09-24
Optical Module And Inputting Method App 20190170939 - Oda; Takuya ; et al.	2019-06-06
Substrate-type optical waveguide element and method for producing substrate-type optical waveguide element Grant 9,874,692 - Oka January 23, 2	2018-01-23
Substrate-type optical waveguide element Grant 9,851,505 - Oka December 26, 2	2017-12-26
Planar optical waveguide device, DP-QPSK modulator, coherent receiver, and polarization diversity Grant 9,851,504 - Oka December 26, 2	2017-12-26
Planar optical waveguide device, polarization multiplexing 4-value phase modulator, coherent receiver, and polarization diversity Grant 9,835,798 - Oka December 5, 2	2017-12-05
Substrate-type optical waveguide element Grant 9,810,842 - Oka November 7, 2	2017-11-07
Substrate-type optical waveguide element Grant 9,784,918 - Oka October 10, 2	2017-10-10
Substrate-type Optical Waveguide Element App 20170176677 - Oka; Akira	2017-06-22
Substrate-type Optical Waveguide Element And Method For Producing Substrate-type Optical Waveguide Element App 20170176680 - Oka; Akira	2017-06-22
Substrate-type Optical Waveguide Element App 20170176679 - Oka; Akira	2017-06-22
Substrate-type Optical Waveguide Element App 20170176678 - Oka; Akira	2017-06-22
Planar Optical Waveguide Device, Polarization Multiplexing 4-value Phase Modulator, Coherent Receiver, And Polarization Diversity App 20170139136 - OKA; Akira	2017-05-18
High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator Grant 9,557,482 - Oka , et al. January 31, 2	2017-01-31
Planar Optical Waveguide Device, Dp-qpsk Modulator, Coherent Receiver, And Polarization Diversity App 20170017033 - OKA; Akira	2017-01-19
Polarization conversion element Grant 9,529,151 - Goi , et al. December 27, 2	2016-12-27
Planar optical waveguide element, dual polarization quadrature phase shift keying modulator, coherent receiver, and polarization diversity Grant 9,500,807 - Oka November 22, 2	2016-11-22
Polarization Conversion Element App 20160178842 - GOI; Kazuhiro ; et al.	2016-06-23
High-order Polarization Conversion Device, Optical Waveguide Device, And Dp-qpsk Modulator App 20160178841 - OKA; Akira ; et al.	2016-06-23
Planar optical waveguide device and DP-QPSK modulator Grant 9,335,472 - Oka , et al. May 10, 2	2016-05-10
Substrate-type waveguide element and optical modulator Grant 9,304,254 - Oka April 5, 2	2016-04-05
Planar Optical Waveguide Element, Dual Polarization Quadrature Phase Shift Keying Modulator, Coherent Receiver, And Polarization Diversity App 20160062038 - OKA; Akira	2016-03-03
Substrate-type Waveguide Element And Optical Modulator App 20150234121 - Oka; Akira	2015-08-20
Planar Optical Waveguide Device And Dp-qpsk Modulator App 20150104128 - OKA; Akira ; et al.	2015-04-16
Polarization conversion device Grant 9,008,476 - Oka , et al. April 14, 2	2015-04-14
Polarization Conversion Device App 20150003782 - OKA; Akira ; et al.	2015-01-01
Device for housing communication circuits and equipment Grant 4,510,552 - Kanno , et al. April 9, 1	1985-04-09
Rack structure for mounting a communication apparatus Grant 4,496,057 - Zenitani , et al. January 29, 1	1985-01-29
Electronic device having a printed circuit board unit therein Grant 4,226,491 - Kazama , et al. October 7, 1	1980-10-07
Apparatus for issuing a card having a predetermined monetary value Grant 3,984,660 - Oka , et al. October 5, 1	1976-10-05
Automatic ticket vending system Grant 3,958,103 - Oka , et al. May 18, 1	1976-05-18

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