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Inventor profile of:

Junichiro Ichikawa

City:

Tokyo

Country:

Japan

Published Applications:

Last publication date:

2024-10-03

Top Assignees for applications by Junichiro Ichikawa

The entities that hold a legal rights for patent applications filed by inventor Ichikawa Junichiro:

Sumitomo Osaka Cement Co., Ltd. 36 Tokyo, Japan
Sumitomo Osaka Cement Co., Ltd. 14 Chiyoda-ku, Tokyo, Japan
NATIONAL INSTITUTE FOR MATERIALS SCIENCE 6 Ibaraki, Japan
Sumitomo Osaka Cement CO., Ltd. 4 Chiyoda-ku, Japan
National Institute for Materials Science 2 Tsukuba, Ibaraki, Japan
NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY 2 Tokyo, Japan
Naitonal Institute of Information and Communications Technology 1 Tokyo, Japan
National Institute for Materials Science 1 Tsukuba, Japan
SUMITMO OSAKA CEMENT CO., LTD. 1 Tokyo, Japan
Sumitomo Osaka Cement Co.,Ltd. 1 Tokyo, Japan
National Institute of Informationand Communication Technology,Incorporated Administrative Agency 1 Tokyo, Japan
Sumitomo Osaka Cement Co., Ltd. 1 , Japan
SUMITOMO OSAKA CEMENT CO., LTD. 1 Toledo, Japan
Sumitomo Osaka Cement Co. 1 Tokyo, Japan

Recent patent applications by Ichikawa Junichiro

Junichiro Ichikawa from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2024-10-03

US20240329436A1

Physics

Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same

#2 | 2023-12-14

US20230400718A1

Physics

OPTICAL WAVEGUIDE ELEMENT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION APPARATUS

#3 | 2021-01-28

US20210026165A1

Physics

Optical element

#4 | 2019-08-22

US20190258089A1

Physics

Optical modulator

#5 | 2019-01-24

US20190025616A1

Physics

Optical waveguide device

#6 | 2019-01-24

US20190025612A1

Physics

Optical modulator

#7 | 2018-05-03

US20180120666A1

Physics

Waveguide-type optical element

#8 | 2018-04-05

US20180095301A1

Physics

Optical modulator module

#9 | 2018-01-11

US20180011348A1

Physics

Waveguide type optical element

#10 | 2017-09-07

US20170255032A1

Physics

Optical modulator and optical switch

#11 | 2017-08-17

US20170235207A1

Physics

Optical modulator and optical switch

#12 | 2017-03-16

US20170075188A1

Physics

Optical waveguide device

#13 | 2016-10-27

US20160313579A1

Physics

ELECTRO-OPTIC ELEMENT

#14 | 2016-10-27

US20160313503A1

Physics

ELECTRODE-PLACED SUBSTRATE

#15 | 2016-08-04

US20160223844A1

Physics

OPTICAL CONTROL ELEMENT

#16 | 2016-03-03

US20160062155A1

Physics

Optical modulator

#17 | 2016-02-25

US20160054637A1

Physics

Optical control device

#18 | 2016-02-04

US20160033848A1

Physics

Optical modulator

#19 | 2016-01-07

US20160004105A1

Physics

Optical waveguide element and method for manufacturing optical waveguide element

#20 | 2015-12-24

US20150370095A1

Physics

Optical modulator

#21 | 2015-04-02

US20150093120A1

Electricity

Optical carrier-suppressed signal generator

#22 | 2014-03-27

US20140086524A1

Physics

Optical modulator

#23 | 2014-02-20

US20140050440A1

Physics

Optical waveguide device

#24 | 2013-03-21

US20130071059A1

Physics

Light control element

#25 | 2012-06-28

US20120162656A1

Physics

Method for evaluating characteristic of optical modulator having mach-zehnder interferometer

#26 | 2011-08-25

US20110206860A1

Physics

Method for forming polarization reversal

#27 | 2011-08-18

US20110201133A1

Physics

Method for forming polarization reversal

#28 | 2011-08-18

US20110197432A1

Physics

Method for forming polarization reversal

#29 | 2011-07-07

US20110164844A1

Electricity

OPTICAL MODULATOR

#30 | 2010-09-30

US20100247025A1

Physics

Optical element

#31 | 2010-09-16

US20100232736A1

Physics

Optical control device

#32 | 2010-02-25

US20100046881A1

Physics

Optical control device

#33 | 2010-02-25

US20100046880A1

Physics

Optical control device

#34 | 2010-02-11

US20100034496A1

Physics

Optical control device

#35 | 2009-12-31

US20090324156A1

Physics

Light control device

#36 | 2009-06-18

US20090153948A1

Physics

THz wave generation device

#37 | 2009-05-07

US20090116802A1

Physics

Optical control device and manufacturing method thereof

#38 | 2009-05-07

US20090116781A1

Physics

Optical waveguide device

#39 | 2009-02-26

US20090052013A1

Physics

THZ wave generator

#40 | 2008-07-08

US10485428

Optical modulator

#41 | 2008-01-03

US20080002926A1

Physics

Optical modulator

#42 | 2007-12-20

US20070292142A1

Electricity

Method for generating carrier residual signal and its device

#43 | 2007-03-08

US20070053625A1

Physics

Optical modulator

#44 | 2007-01-25

US20070019968A1

Physics

Method and device for controlling bias of optical modulator

#45 | 2007-01-18

US20070014014A1

Physics

Optical device and method of manufacturing the same

#46 | 2006-11-30

US20060269184A1

Physics

Optical device

#47 | 2006-05-25

US20060110089A1

Physics

Optical modulator

#48 | 2006-04-13

US20060079006A1

Physics

Method for forming ferroelectric spontaneous polarization reversal

#49 | 2006-03-07

US10809053

Light control element

#50 | 2005-12-08

US20050271313A1

Physics

Optical device

InventorID:

657338 ⎘