Inventor

Yasuo Kokubun

Inventor

Yokohama, JP

Overview

6→

Patents

1987–2016

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus50%

H04BTransmission17%

H04JMultiplex communication17%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

9,335,467'Multi-core fiber and method of positioning of core of multi-core fiber'2016 8,811,786'Coupled system multi-core fiber, coupling mode multiplexer and demultiplexer, system for transmission using multi-core fiber and method for transmission using multi-core fiber'2014 8,761,562'Multicore fiber and core placement method for multicore fiber'2014 8,503,847'Method of arranging cores of multi-core fiber'2013 6,411,752'Vertically coupled optical resonator devices over a cross-grid waveguide architecture'2002 4,715,672'Optical waveguide utilizing an antiresonant layered structure'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2016Based in Yokohama, JP· patent location history

2013–2016Patents assigned to KOKUBUN YASUO (4)· patent assignee history

2013–2014Patents assigned to NAT UNIV CORP YOKOHAMA NAT UNI (3)· patent assignee history

2013–2014Patents assigned to KOSHIBA MASANORI (2)· patent assignee history

2013–2014Patents assigned to MORIOKA TOSHIO (2)· patent assignee history

2013–2014Patents assigned to UNIV HOKKAIDO NAT UNIV CORP (2)· patent assignee history

2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOKUBUN YASUOself	4	2013–2016
NAT UNIV CORP YOKOHAMA NAT UNI	3	2013–2014
KOSHIBA MASANORI	2	2013–2014
MORIOKA TOSHIO	2	2013–2014
UNIV HOKKAIDO NAT UNIV CORP	2	2013–2014

Locations

Location	Patents	Span
Yokohama, JP	4	1987–2016
Kanagawa, JP	2	2014