Inventor

Kazuhiro Goi

Inventor

Sakura, JP

Overview

21→

Patents

2012–2020

Patent span

Physics

Primary field (CPC G)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus51%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein37%

H04BTransmission9%

H04JMultiplex communication3%

PatentTitleYear

10,718,899Optical device, wavelength division multiplexing transmitter, wavelength division multiplexing receiver, and wavelength division multiplexing transmission and receiving system2020 10,386,573Substrate-type optical waveguide and introducing method using fundamental and higher TE/TM modes2019 10,365,507Semiconductor optical integrated circuit2019 10,267,995Substrate-type optical waveguide and substrate-type optical modulator2019 10,261,385Light modulation element2019 10,162,136Optical transmission device and bidirectional optical transmission device2018 9,880,404'Optical waveguide device and method of manufacturing the same'2018 9,874,697Polarization-maintaining optical fiber and bidirectional optical transmission apparatus2018 9,869,816'Light combining/dividing element and light modulator'2018 9,864,215'Substrate-type optical waveguide and substrate-type optical modulator'2018 9,857,534'Optical waveguide device having a light absorber for split out modes'2018 9,857,533'Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and method for manufacturing optical waveguide element'2018 9,817,294'Optical modulation device'2017 9,557,482'High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator'2017 9,529,151'Polarization conversion element'2016 9,448,425'Optical waveguide element and optical modulator'2016 9,335,472'Planar optical waveguide device and DP-QPSK modulator'2016 9,110,348'Optical element and Mach-Zehnder optical waveguide element'2015 9,008,476'Polarization conversion device'2015 8,404,133'Manufacturing method of planar optical waveguide device with grating structure'2013 8,227,178'Manufacturing method of planar optical waveguide device with grating structure'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to FUJIKURA LTD (21)· patent assignee history

2012–2018Patents assigned to AGENCY SCIENCE TECH & RES (3)· patent assignee history

2012–2013Patents assigned to GOI KAZUHIRO (2)· patent assignee history

2012–2013Patents assigned to GUAN NING (2)· patent assignee history

2012–2013Patents assigned to LO GUO-QIANG (2)· patent assignee history

2012–2019Based in Sakura, JP· patent location history

2019–2020Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJIKURA LTD	21	2012–2020
AGENCY SCIENCE TECH & RES	3	2012–2018
GOI KAZUHIROself	2	2012–2013
GUAN NING	2	2012–2013
LO GUO-QIANG	2	2012–2013

Locations

Location	Patents	Span
Sakura, JP	19	2012–2019
Chiba, JP	2	2019–2020