Akiyama; Tomoyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Akiyama; Tomoyuki.The latest application filed is for "optical transmitter and transmission device".

Company Profile

1.54.57

Akiyama; Tomoyuki - Yokohama JP
Akiyama; Tomoyuki - Ibaraki JP
Akiyama; Tomoyuki - Kanagawa JP
AKIYAMA; Tomoyuki - Ibaraki-ken JP
Akiyama; Tomoyuki - Tokyo JP
Akiyama; Tomoyuki - Kawasaki JP
Akiyama; Tomoyuki - Tsukuba JP
Akiyama, Tomoyuki - Yamagata-shi JP
Akiyama; Tomoyuki - Yamagata-ken JP
Akiyama; Tomoyuki - Tsuchiura JP

*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
Optical Transmitter And Transmission Device App 20220311534 - SOBU; Yohei ; et al.	2022-09-29
Optical Modulator, Optical Transmitter, And Optical Communication Apparatus App 20220278753 - AKIYAMA; Tomoyuki	2022-09-01
Optical communication component, optical transmitter, and control method Grant 11,343,009 - Akiyama , et al. May 24, 2	2022-05-24
Optical Element And Optical Transmitter App 20220146755 - Akiyama; Tomoyuki	2022-05-12
Optical Communication Component, Optical Transmitter, And Control Method App 20210306087 - Akiyama; Tomoyuki ; et al.	2021-09-30
Modulated light source Grant 11,128,103 - Akiyama September 21, 2	2021-09-21
Optical add-drop device Grant 11,121,796 - Akiyama September 14, 2	2021-09-14
Optical demultiplexer, optical transport apparatus, and method of controlling optical demultiplexing Grant 11,119,278 - Akiyama September 14, 2	2021-09-14
Optical Communication Element And Optical Neural Network App 20210248454 - Akiyama; Tomoyuki ; et al.	2021-08-12
Optical transmission apparatus and optical element Grant 10,911,148 - Akiyama February 2, 2	2021-02-02
Optical Add-drop Device App 20200389247 - Akiyama; Tomoyuki	2020-12-10
Optical Demultiplexer, Optical Transport Apparatus, And Method Of Controlling Optical Demultiplexing App 20200379181 - Akiyama; Tomoyuki	2020-12-03
Optical Transmission Apparatus And Optical Element App 20200136729 - AKIYAMA; Tomoyuki	2020-04-30
Optical element Grant 10,547,406 - Akiyama Ja	2020-01-28
Optical fiber mounted photonic integrated circuit device Grant 10,488,596 - Akiyama Nov	2019-11-26
Optical transport apparatus, optical demultiplexer, and method of controlling optical demultiplexing Grant 10,491,321 - Akiyama Nov	2019-11-26
Optical device and optical apparatus Grant 10,439,729 - Akiyama O	2019-10-08
Modulated light source Grant 10,389,083 - Akiyama A	2019-08-20
Optical Transport Apparatus, Optical Demultiplexer, And Method Of Controlling Optical Demultiplexing App 20190245642 - AKIYAMA; Tomoyuki	2019-08-08
Optical Device And Optical Apparatus App 20190097732 - Akiyama; Tomoyuki	2019-03-28
Modulated Light Source App 20190097383 - Akiyama; Tomoyuki	2019-03-28
Optical Fiber Mounted Photonic Integrated Circuit Device App 20180067265 - Akiyama; Tomoyuki	2018-03-08
Optical fiber mounted photonic integrated circuit device for single mode optical fibers Grant 9,897,761 - Akiyama , et al. February 20, 2	2018-02-20
Optical Element App 20180013512 - Akiyama; Tomoyuki	2018-01-11
Optical Fiber Mounted Photonic Integrated Circuit Device App 20170276879 - Akiyama; Tomoyuki ; et al.	2017-09-28
Ink temperature adjustment device and ink circulation type inkjet printer having the same Grant 9,636,916 - Akiyama , et al. May 2, 2	2017-05-02
Modulated Light Source App 20170005454 - Akiyama; Tomoyuki	2017-01-05
Modulated light source Grant 9,537,289 - Akiyama January 3, 2	2017-01-03
Optical Semiconductor Element, Method Of Controlling The Same And Method Of Manufacturing The Same App 20160370607 - AKIYAMA; Tomoyuki	2016-12-22
Optical semiconductor element, method of controlling the same and method of manufacturing the same Grant 9,513,530 - Akiyama December 6, 2	2016-12-06
Optical semiconductor element, method of controlling the same and method of manufacturing the same Grant 9,513,531 - Akiyama December 6, 2	2016-12-06
Inkjet image forming apparatus and cleaning method for inkjet image forming apparatus Grant 9,505,218 - Ujiie , et al. November 29, 2	2016-11-29
Modulated light source Grant 9,436,022 - Akiyama September 6, 2	2016-09-06
Ink Cartridge And Ink-jet Printer Having The Same App 20160243843 - AKIYAMA; Tomoyuki	2016-08-25
Modulated Light Source App 20160218481 - Akiyama; Tomoyuki	2016-07-28
Ink circulation type inkjet printer Grant 9,365,046 - Sugitani , et al. June 14, 2	2016-06-14
Ink circulation type inkjet printer Grant 9,340,031 - Sugitani , et al. May 17, 2	2016-05-17
Ink Circulation Type Inkjet Printer App 20160082743 - SUGITANI; Hiroshi ; et al.	2016-03-24
Ink Circulation Type Inkjet Printer App 20160075144 - SUGITANI; Hiroshi ; et al.	2016-03-17
Ink Temperature Adjustment Device And Ink Circulation Type Inkjet Printer Having The Same App 20160059565 - AKIYAMA; Tomoyuki ; et al.	2016-03-03
Ink circulation type inkjet printer Grant 9,272,524 - Sugitani , et al. March 1, 2	2016-03-01
Optical semiconductor device and optical semiconductor device control method Grant 9,261,716 - Akiyama February 16, 2	2016-02-16
Inkjet Image Forming Apparatus And Cleaning Method For Inkjet Image Forming Apparatus App 20160031219 - UJIIE; Hideyuki ; et al.	2016-02-04
Optical semiconductor element having ring modulators Grant 9,239,475 - Akiyama January 19, 2	2016-01-19
Optical semiconductor device Grant 9,229,249 - Akiyama January 5, 2	2016-01-05
Ink Circulation Type Inkjet Printer App 20150375518 - SUGITANI; Hiroshi ; et al.	2015-12-31
Optical semiconductor device Grant 9,219,347 - Akiyama December 22, 2	2015-12-22
Modulated Light Source App 20150355482 - AKIYAMA; Tomoyuki	2015-12-10
Control method of optical element Grant 9,182,647 - Akiyama November 10, 2	2015-11-10
Optical switch, optical demodulator, and optical demodulation method having feedback control of temperature regulator based on optical detector output Grant 9,184,865 - Akiyama November 10, 2	2015-11-10
Control Method Of Optical Element App 20150261061 - Akiyama; Tomoyuki	2015-09-17
Inkjet printer Grant 9,061,516 - Akiyama , et al. June 23, 2	2015-06-23
Inkjet printer Grant 9,016,843 - Nishiyama , et al. April 28, 2	2015-04-28
Optical semiconductor device Grant 9,002,147 - Akiyama April 7, 2	2015-04-07
Inkjet Printer App 20150091956 - Akiyama; Tomoyuki ; et al.	2015-04-02
Inkjet Printer App 20150022572 - NISHIYAMA; Akira ; et al.	2015-01-22
Optical Semiconductor Device App 20150016767 - Akiyama; Tomoyuki	2015-01-15
Optical Semiconductor Device And Optical Semiconductor Device Control Method App 20140376851 - Akiyama; Tomoyuki	2014-12-25
Laser system Grant 8,896,911 - Sugawara , et al. November 25, 2	2014-11-25
Optical Semiconductor Element, Method Of Controlling The Same And Method Of Manufacturing The Same App 20140193113 - Akiyama; Tomoyuki	2014-07-10
Optical Semiconductor Device App 20140133512 - Akiyama; Tomoyuki	2014-05-15
Demultiplexer And Optical Demultiplexing Method App 20130161496 - Akiyama; Tomoyuki	2013-06-27
Optical Semiconductor Element App 20130044973 - AKIYAMA; Tomoyuki	2013-02-21
Optical Semiconductor Device App 20130037692 - AKIYAMA; Tomoyuki	2013-02-14
Inkjet Printing Apparatus App 20120188314 - AKIYAMA; Tomoyuki ; et al.	2012-07-26
Detachable structure for ink cartridge, and control method for attaching/detaching ink cartridge Grant 8,215,754 - Akiyama July 10, 2	2012-07-10
Detachable structure for ink cartridge Grant 8,197,042 - Akiyama June 12, 2	2012-06-12
Semiconductor laser and method for manufacturing the same Grant 8,160,116 - Akiyama , et al. April 17, 2	2012-04-17
Laser System App 20110157685 - Sugawara; Mitsuru ; et al.	2011-06-30
Semiconductor device Grant 7,808,698 - Akiyama October 5, 2	2010-10-05
Semiconductor Laser And Method For Manufacturing The Same App 20100195688 - Akiyama; Tomoyuki ; et al.	2010-08-05
Detachable structure for ink cartridge, and control method for attaching/detaching ink cartridge App 20100085404 - Akiyama; Tomoyuki	2010-04-08
Detachable structure for ink cartridge App 20100073442 - Akiyama; Tomoyuki	2010-03-25
Optical repeater Grant 7,616,377 - Akiyama November 10, 2	2009-11-10
Optical transmission system Grant 7,443,574 - Akiyama October 28, 2	2008-10-28
Optical repeater App 20080240731 - Akiyama; Tomoyuki	2008-10-02
Optical repeater Grant 7,375,878 - Akiyama May 20, 2	2008-05-20
Optical semiconductor device and method for fabricating the same Grant 7,288,783 - Akiyama October 30, 2	2007-10-30
Bias control of SOA via switches Grant 7,280,272 - Akiyama October 9, 2	2007-10-09
Optical transmission system App 20070230967 - Akiyama; Tomoyuki	2007-10-04
Semicondutor optical amplifier suitable for coarse WDM communications and light amplification method App 20070091419 - Akiyama; Tomoyuki	2007-04-26
Semiconductor optical amplifier suitable for coarse WDM communications and light amplification method Grant 7,167,301 - Akiyama January 23, 2	2007-01-23
Optical time-division multiplex signal processing apparatus and method, optical time-division multiplex signal receiver Grant 7,123,838 - Akiyama October 17, 2	2006-10-17
Semiconductor device App 20060221438 - Akiyama; Tomoyuki	2006-10-05
Semiconductor device App 20060215255 - Akiyama; Tomoyuki	2006-09-28
Wavelength conversion device Grant 7,081,983 - Akiyama , et al. July 25, 2	2006-07-25
Semiconductor optical device with quantum dots having internal tensile or compressive strain Grant 6,992,320 - Ebe , et al. January 31, 2	2006-01-31
Wavelength controllable optical device and light control method Grant 6,925,229 - Akiyama August 2, 2	2005-08-02
Wavelength conversion device App 20050117200 - Akiyama, Tomoyuki ; et al.	2005-06-02
Semiconductor Optical Amplifier Suitable For Coarse Wdm Communications And Light Amplification Method App 20040196543 - AKIYAMA, Tomoyuki	2004-10-07
Optical repeater App 20040101313 - Akiyama, Tomoyuki	2004-05-27
Semiconductor optical device with quantum dots App 20040041145 - Ebe, Hiroji ; et al.	2004-03-04
Photosemiconductor device and method for fabricating the same Grant 6,639,240 - Akiyama October 28, 2	2003-10-28
Wavelength-division multiplex optical signal processor and a method of regenerating a wavelength-division multiplexed optical signal Grant 6,625,337 - Akiyama September 23, 2	2003-09-23
Wavelength controllable optical device and light control method App 20030174950 - Akiyama, Tomoyuki	2003-09-18
Optical semiconductor device and method for fabricating the same App 20030129779 - Akiyama, Tomoyuki	2003-07-10
Photosemiconductor device and method for fabricating the same App 20030066997 - Akiyama, Tomoyuki	2003-04-10
Opaque Silica Glass Article Having Transparent Portion And Process For Producing Same App 20020078709 - Nagata, Hiroya ; et al.	2002-06-27
Optical time-division multiplex signal processing apparatus and method, optical time-division multiplex signal receiver App 20020067527 - Akiyama, Tomoyuki	2002-06-06
Wavelength-division multiplex optical signal processor and a method of regenerating a wavelength-division multiplexed optical signal App 20010028755 - Akiyama, Tomoyuki	2001-10-11
Process for production of pure transparent quartz Grant 5,665,133 - Orii , et al. September 9, 1	1997-09-09
Method of producing oxynitride glass Grant 5,229,336 - Akiyama , et al. July 20, 1	1993-07-20
Secondary battery Grant 4,968,569 - Chiba , et al. November 6, 1	1990-11-06
Apparatus for measuring time variant device impedance Grant 4,481,464 - Noguchi , et al. November 6, 1	1984-11-06