Ichikawa; Junichiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ichikawa; Junichiro.The latest application filed is for "optical element".
Company Profile
3.69.61
- Ichikawa; Junichiro - Tokyo JP
- Ichikawa; Junichiro - Chiyoda-ku JP
- Ichikawa; Junichiro - Funabashi JP
- Ichikawa, Junichiro - Funabashi-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Optical element Grant 11,347,086 - Kondo , et al. May 31, 2 | 2022-05-31 |
| Optical Element App 20210026165 - KONDO; Katsutoshi ; et al. | 2021-01-28 |
| Optical modulator module Grant 10,502,988 - Itou , et al. Dec | 2019-12-10 |
| Optical modulator Grant 10,502,982 - Katou , et al. Dec | 2019-12-10 |
| Optical carrier-suppressed signal generator Grant 10,498,457 - Sakai , et al. De | 2019-12-03 |
| Optical waveguide device Grant 10,466,513 - Kataoka , et al. No | 2019-11-05 |
| Optical modulator and optical switch Grant 10,401,658 - Kataoka , et al. Sep | 2019-09-03 |
| Optical Modulator App 20190258089 - KATOU; Kei ; et al. | 2019-08-22 |
| Optical modulator Grant 10,365,506 - Katou , et al. July 30, 2 | 2019-07-30 |
| Optical waveguide device Grant 10,365,534 - Nakata , et al. July 30, 2 | 2019-07-30 |
| Optical modulator module Grant 10,338,414 - Sakai , et al. | 2019-07-02 |
| Optical Modulator Module App 20190113779 - ITOU; Takatomo ; et al. | 2019-04-18 |
| Optical Waveguide Device App 20190025616 - KATAOKA; Toshio ; et al. | 2019-01-24 |
| Optical Modulator App 20190025612 - KATOU; Kei ; et al. | 2019-01-24 |
| Waveguide-type optical element Grant 10,088,734 - Kondou , et al. October 2, 2 | 2018-10-02 |
| Optical modulator and optical switch Grant 10,067,403 - Kataoka , et al. September 4, 2 | 2018-09-04 |
| Waveguide-type Optical Element App 20180120666 - Kondou; Katsutoshi ; et al. | 2018-05-03 |
| Waveguide type optical element Grant 9,946,100 - Yanagawa , et al. April 17, 2 | 2018-04-17 |
| Optical Modulator Module App 20180095301 - SAKAI; Takeshi ; et al. | 2018-04-05 |
| Waveguide Type Optical Element App 20180011348 - YANAGAWA; Teppei ; et al. | 2018-01-11 |
| Optical Modulator And Optical Switch App 20170255032 - KATAOKA; Toshio ; et al. | 2017-09-07 |
| Optical modulator Grant 9,746,741 - Kataoka , et al. August 29, 2 | 2017-08-29 |
| Optical Modulator And Optical Switch App 20170235207 - KATAOKA; Toshio ; et al. | 2017-08-17 |
| Optical modulator Grant 9,599,843 - Kondou , et al. March 21, 2 | 2017-03-21 |
| Optical Waveguide Device App 20170075188 - NAKATA; Yuu ; et al. | 2017-03-16 |
| Optical modulator Grant 9,551,887 - Ichikawa , et al. January 24, 2 | 2017-01-24 |
| Optical control device Grant 9,519,200 - Kataoka , et al. December 13, 2 | 2016-12-13 |
| Electro-optic Element App 20160313579 - YOKOYAMA; Shiyoshi ; et al. | 2016-10-27 |
| Electrode-placed Substrate App 20160313503 - Takemura; Motohiro ; et al. | 2016-10-27 |
| Optical Control Element App 20160223844 - ICHIKAWA; Junichiro | 2016-08-04 |
| Optical waveguide element and method for manufacturing optical waveguide element Grant 9,348,156 - Ichikawa , et al. May 24, 2 | 2016-05-24 |
| Optical Modulator App 20160062155 - Ichikawa; Junichiro ; et al. | 2016-03-03 |
| Optical Control Device App 20160054637 - Kataoka; Toshio ; et al. | 2016-02-25 |
| Optical Modulator App 20160033848 - Kataoka; Toshio ; et al. | 2016-02-04 |
| Optical modulator Grant 9,235,066 - Ichikawa , et al. January 12, 2 | 2016-01-12 |
| Optical Waveguide Element and Method for Manufacturing Optical Waveguide Element App 20160004105 - ICHIKAWA; Junichiro ; et al. | 2016-01-07 |
| Optical Modulator App 20150370095 - KONDOU; Katsutoshi ; et al. | 2015-12-24 |
| Light control element Grant 9,057,893 - Motoya , et al. June 16, 2 | 2015-06-16 |
| Optical waveguide device Grant 9,002,165 - Ichioka , et al. April 7, 2 | 2015-04-07 |
| Carrier-suppressed Light-generating Device App 20150093120 - Sakai; Takeshi ; et al. | 2015-04-02 |
| Optical control element having a plurality of optical control portions Grant 8,983,239 - Ichioka , et al. March 17, 2 | 2015-03-17 |
| Method for evaluating characteristic of optical modulator having mach-zehnder interferometer Grant 8,867,042 - Kawanishi , et al. October 21, 2 | 2014-10-21 |
| Optical modulator Grant 8,755,641 - Ichikawa , et al. June 17, 2 | 2014-06-17 |
| Optical control element Grant 8,737,773 - Motoya , et al. May 27, 2 | 2014-05-27 |
| Optical Modulator App 20140086524 - ICHIKAWA; JUNICHIRO ; et al. | 2014-03-27 |
| Method for forming polarization reversal Grant 8,669,121 - Yamamoto , et al. March 11, 2 | 2014-03-11 |
| Optical Waveguide Device App 20140050440 - Ichioka; Masayuki ; et al. | 2014-02-20 |
| Optical control device Grant 8,644,647 - Ichikawa , et al. February 4, 2 | 2014-02-04 |
| Optical control device Grant 8,600,197 - Oikawa , et al. December 3, 2 | 2013-12-03 |
| Light control device Grant 8,526,768 - Kinpara , et al. September 3, 2 | 2013-09-03 |
| Method for forming polarization reversal Grant 8,524,509 - Yamamoto , et al. September 3, 2 | 2013-09-03 |
| Light Control Element App 20130071059 - Motoya; Masayuki ; et al. | 2013-03-21 |
| Optical waveguide device Grant 8,396,334 - Ichikawa March 12, 2 | 2013-03-12 |
| Optical waveguide device Grant 8,391,651 - Ichikawa March 5, 2 | 2013-03-05 |
| Optical control device Grant 8,380,015 - Kinpara , et al. February 19, 2 | 2013-02-19 |
| Optical element Grant 8,315,496 - Kondou , et al. November 20, 2 | 2012-11-20 |
| Method for forming polarization reversal Grant 8,293,543 - Yamamoto , et al. October 23, 2 | 2012-10-23 |
| Optical Modulator App 20120230625 - ICHIKAWA; Junichiro ; et al. | 2012-09-13 |
| Optical Control Element App 20120230627 - MOTOYA; Masayuki ; et al. | 2012-09-13 |
| Optical waveguide device Grant 8,265,443 - Sudou , et al. September 11, 2 | 2012-09-11 |
| Method For Evaluating Characteristic Of Optical Modulator Having Mach-zehnder Interferometer App 20120162656 - Kawanishi; Tetsuya ; et al. | 2012-06-28 |
| Method for forming ferroelectric spontaneous polarization reversal Grant 8,193,004 - Yamamoto , et al. June 5, 2 | 2012-06-05 |
| Optical control element App 20120087616 - Ichioka; Masayuki ; et al. | 2012-04-12 |
| Optical waveguide device App 20120020607 - Ichikawa; Junichiro | 2012-01-26 |
| Method for forming polarization reversal App 20110206860 - Yamamoto; Futoshi ; et al. | 2011-08-25 |
| Method for forming polarization reversal App 20110197432 - Yamamoto; Futoshi ; et al. | 2011-08-18 |
| Method for forming polarization reversal App 20110201133 - Yamamoto; Futoshi ; et al. | 2011-08-18 |
| Optical device and method of manufacturing the same Grant 7,985,294 - Yamamoto , et al. July 26, 2 | 2011-07-26 |
| Optical Modulator App 20110164844 - Higuma; Kaoru ; et al. | 2011-07-07 |
| Optical control device Grant 7,925,123 - Oikawa , et al. April 12, 2 | 2011-04-12 |
| Optical control device Grant 7,912,326 - Oikawa , et al. March 22, 2 | 2011-03-22 |
| Method and device for controlling bias of optical modulator Grant 7,899,338 - Hashimoto , et al. March 1, 2 | 2011-03-01 |
| Light control device Grant 7,873,244 - Kinpara , et al. January 18, 2 | 2011-01-18 |
| Method for generating carrier residual signal and its device Grant 7,869,668 - Hashimoto , et al. January 11, 2 | 2011-01-11 |
| Optical control device and manufacturing method thereof Grant 7,831,122 - Kondou , et al. November 9, 2 | 2010-11-09 |
| Optical control device App 20100266234 - Kinpara; Yuhki ; et al. | 2010-10-21 |
| Light control device App 20100264855 - Kinpara; Yuhki ; et al. | 2010-10-21 |
| Optical Element App 20100247025 - Kondou; Katsutoshi ; et al. | 2010-09-30 |
| Optical waveguide device App 20100239218 - Sudou; Masaaki ; et al. | 2010-09-23 |
| Optical Control Device App 20100232736 - Ichikawa; Junichiro ; et al. | 2010-09-16 |
| THZ wave generator Grant 7,768,696 - Higuma , et al. August 3, 2 | 2010-08-03 |
| THz wave generation device Grant 7,764,422 - Ichikawa July 27, 2 | 2010-07-27 |
| Nested modulator Grant 7,689,067 - Ichikawa , et al. March 30, 2 | 2010-03-30 |
| Optical Control Device App 20100046881 - Oikawa; Satoshi ; et al. | 2010-02-25 |
| Optical Control Device App 20100046880 - Oikawa; Satoshi ; et al. | 2010-02-25 |
| Optical Control Device App 20100034496 - Oikawa; Satoshi ; et al. | 2010-02-11 |
| Light control device App 20090324156 - Kinpara; Yuhki ; et al. | 2009-12-31 |
| THz Wave Generation Device App 20090153948 - Ichikawa; Junichiro | 2009-06-18 |
| Optical Waveguide Device App 20090116781 - Ichikawa; Junichiro | 2009-05-07 |
| Optical Control Device and Manufacturing Method Thereof App 20090116802 - Kondou; Katsutoshi ; et al. | 2009-05-07 |
| Thz Wave Generator App 20090052013 - Higuma; Kaoru ; et al. | 2009-02-26 |
| Optical modulator Grant 7,444,039 - Kondou , et al. October 28, 2 | 2008-10-28 |
| Nested modulator App 20080212915 - Ichikawa; Junichiro ; et al. | 2008-09-04 |
| Optical modulator Grant 7,397,974 - Ichikawa , et al. July 8, 2 | 2008-07-08 |
| Optical modulator Grant 7,362,924 - Ichioka , et al. April 22, 2 | 2008-04-22 |
| Optical modulator App 20080002926 - Kondou; Katsutoshi ; et al. | 2008-01-03 |
| Method for Generating Carrier Residual Signal and Its Device App 20070292142 - Hashimoto; Yoshihiro ; et al. | 2007-12-20 |
| Optical modulator Grant 7,310,453 - Ichikawa , et al. December 18, 2 | 2007-12-18 |
| Optical device Grant 7,260,280 - Ichioka , et al. August 21, 2 | 2007-08-21 |
| Optical modulator App 20070053625 - Ichioka; Masayuki ; et al. | 2007-03-08 |
| Optical device Grant 7,174,059 - Oikawa , et al. February 6, 2 | 2007-02-06 |
| Method and device for controlling bias of optical modulator App 20070019968 - Hashimoto; Yoshihiro ; et al. | 2007-01-25 |
| Optical device and method of manufacturing the same App 20070014014 - Yamamoto; Futoshi ; et al. | 2007-01-18 |
| Optical device App 20060269184 - Ichioka; Masayuki ; et al. | 2006-11-30 |
| Optical modulator App 20060110089 - Ichikawa; Junichiro ; et al. | 2006-05-25 |
| Method for forming polarization reversal App 20060079006 - Yamamoto; Futoshi ; et al. | 2006-04-13 |
| Light control element Grant 7,009,758 - Ichikawa , et al. March 7, 2 | 2006-03-07 |
| Optical device App 20050271313 - Oikawa, Satoshi ; et al. | 2005-12-08 |
| Optical modulator App 20040264827 - Ichikawa, Junichiro ; et al. | 2004-12-30 |
| Light control element App 20040252365 - Ichikawa, Junichiro ; et al. | 2004-12-16 |
| Wavelength stabilized module, stable wavelength laser beam generating device and optical communication system App 20040033021 - Oguri, Hitoshi ; et al. | 2004-02-19 |
| Light limiter Grant 6,539,153 - Taneda , et al. March 25, 2 | 2003-03-25 |
| Light limiter App 20010012431 - Taneda, Yasuhisa ; et al. | 2001-08-09 |
| Optical waveguide modulator having a reduced D.C. drift Grant 5,526,448 - Nagata , et al. June 11, 1 | 1996-06-11 |
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