| Patent | Date |
|---|
Wireless communication device
Grant 11,450,957 - Sakuma September 20, 2 | 2022-09-20 |
Wireless communication system
Grant 11,438,050 - Sakuma September 6, 2 | 2022-09-06 |
Wireless Communication System
App 20210344401 - Sakuma; Ken | 2021-11-04 |
Wireless Communication Device
App 20210344113 - Sakuma; Ken | 2021-11-04 |
Wireless Communication Device
App 20210344394 - Sakuma; Ken | 2021-11-04 |
Wireless communication device and wireless communication method
Grant 11,018,718 - Sakuma May 25, 2 | 2021-05-25 |
Wireless communication device
Grant 10,944,456 - Sakuma March 9, 2 | 2021-03-09 |
Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator
Grant 8,824,044 - Ogawa , et al. September 2, 2 | 2014-09-02 |
Information transmitting apparatus, information transmitting method, and computer product
Grant 8,571,206 - Kodama , et al. October 29, 2 | 2013-10-29 |
Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator
Grant 8,542,970 - Ogawa , et al. September 24, 2 | 2013-09-24 |
Phosphor and an incandescent lamp color light emitting diode lamp using the same
Grant 8,508,119 - Sakuma , et al. August 13, 2 | 2013-08-13 |
Planar Optical Waveguide Element, Chromatic Dispersion Compensator, Optical Filter, Optical Resonator And Methods For Designing The Element, Chromatic Dispersion Compensator, Optical Filter And Optical Resonator
App 20130129293 - OGAWA; Kensuke ; et al. | 2013-05-23 |
Manufacturing method of planar optical waveguide device with grating structure
Grant 8,404,133 - Sakuma , et al. March 26, 2 | 2013-03-26 |
Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
Grant 8,270,790 - Ogawa , et al. September 18, 2 | 2012-09-18 |
Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
Grant 8,270,789 - Ogawa , et al. September 18, 2 | 2012-09-18 |
Manufacturing method of planar optical waveguide device with grating structure
Grant 8,227,178 - Sakuma , et al. July 24, 2 | 2012-07-24 |
Light emitting diode lamp and light emitting device
Grant 8,148,887 - Hirosaki , et al. April 3, 2 | 2012-04-03 |
Sialon phosphor
Grant 8,057,705 - Sakuma , et al. November 15, 2 | 2011-11-15 |
Light emitting device and illumination device
Grant 8,053,970 - Kimura , et al. November 8, 2 | 2011-11-08 |
Manufacturing Method Of Planar Optical Waveguide Device With Grating Structure
App 20110053095 - SAKUMA; Ken ; et al. | 2011-03-03 |
Manufacturing Method Of Planar Optical Waveguide Device With Grating Structure
App 20110049735 - Sakuma; Ken ; et al. | 2011-03-03 |
Planar Optical Waveguide Element, Chromatic Dispersion Compensator, Optical Filter, Optical Resonator And Methods For Designing The Element, Chromatic Dispersion Compensator, Optical Filter And Optical Resonator
App 20110013269 - OGAWA; Kensuke ; et al. | 2011-01-20 |
Planar Optical Waveguide Element, Chromatic Dispersion Compensator, Methods For Designing Chromatic Dispersion Compensator, Optical Filter, Methods For Designing Optical Filter, Optical Resonator And Methods For Designing Optical Resonator
App 20100329608 - OGAWA; Kensuke ; et al. | 2010-12-30 |
Optical Waveguide Element, Chromatic Dispersion Compensator, Methods For Designing Chromatic Dispersion Compensator, Optical Filter, Methods For Designing Optical Filter, Optical Resonator And Methods For Designing Optical Resonator
App 20100322558 - OGAWA; Kensuke ; et al. | 2010-12-23 |
Planar Optical Waveguide Element, Chromatic Dispersion Compensator, Optical Filter, Optical Resonator And Methods For Designing The Element, Chromatic Dispersion Compensator, Optical Filter And Optical Resonator
App 20100322559 - Ogawa; Kensuke ; et al. | 2010-12-23 |
Sialon Phosphor
App 20100072881 - Sakuma; Ken ; et al. | 2010-03-25 |
Light emitting device and a lighting apparatus
Grant 7,608,862 - Sakuma , et al. October 27, 2 | 2009-10-27 |
Oxynitride phosphor and a light emitting device
Grant 7,597,821 - Sakuma , et al. October 6, 2 | 2009-10-06 |
Light emitting element and lighting instrument
Grant 7,573,190 - Hirosaki , et al. August 11, 2 | 2009-08-11 |
Light emitting device and a lighting apparatus
Grant 7,564,065 - Sakuma , et al. July 21, 2 | 2009-07-21 |
Light emitting diode lamp and light emitting device
App 20090167153 - Hirosaki; Naoto ; et al. | 2009-07-02 |
Light Emitting Device And Illumination Device
App 20090146549 - KIMURA; Naoki ; et al. | 2009-06-11 |
Information transmitting apparatus, information transmitting method, and computer product
App 20080219435 - Kodama; Tetsuhiro ; et al. | 2008-09-11 |
Oxynitride phosphor and a light emitting device
Grant 7,402,943 - Sakuma , et al. July 22, 2 | 2008-07-22 |
Light emitting device and a lighting apparatus
App 20070278510 - Sakuma; Ken ; et al. | 2007-12-06 |
Oxynitride phosphor and a light emitting device
App 20070246732 - Sakuma; Ken ; et al. | 2007-10-25 |
Light emitting device and illumination apparatus
Grant 7,253,446 - Sakuma , et al. August 7, 2 | 2007-08-07 |
Light emitting element and lighting instrument
App 20070159091 - Hirosaki; Naoto ; et al. | 2007-07-12 |
Light emitting device and illumination apparatus
App 20060208262 - Sakuma; Ken ; et al. | 2006-09-21 |
Powdered fluorescent material and method for manufacturing the same, light-emitting device, and illumination apparatus
App 20060208260 - Sakuma; Ken ; et al. | 2006-09-21 |
Optical switch, optical add-drop module, and optical communication system
Grant 7,046,872 - Sakuma , et al. May 16, 2 | 2006-05-16 |
Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device
Grant 7,046,881 - Sakuma , et al. May 16, 2 | 2006-05-16 |
Phosphor and an incandescent lamp color light emitting diode lamp using the same
App 20060061263 - Sakuma; Ken ; et al. | 2006-03-23 |
Oxynitride phosphor and a light emitting device
App 20050285506 - Sakuma, Ken ; et al. | 2005-12-29 |
Optical waveguide in the interior of silica glass and method of forming optical waveguide
Grant 6,945,078 - Fukuda , et al. September 20, 2 | 2005-09-20 |
Light emitting device and a lighting apparatus
App 20050194604 - Sakuma, Ken ; et al. | 2005-09-08 |
Optical switch
Grant 6,741,775 - Sakuma , et al. May 25, 2 | 2004-05-25 |
Method for forming optical waveguide and optical waveguide
App 20040047578 - Fukuda, Takeshi ; et al. | 2004-03-11 |
Optical switch, optical add-drop module, and optical communication system
App 20030210855 - Sakuma, Ken ; et al. | 2003-11-13 |
Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device
App 20030021536 - Sakuma, Ken ; et al. | 2003-01-30 |
Optical switch
App 20010055440 - Sakuma, Ken ; et al. | 2001-12-27 |
Pressurized fryer device
Grant 5,243,898 - Sakuma September 14, 1 | 1993-09-14 |
Device for producing fried food
Grant 4,732,081 - Sakuma March 22, 1 | 1988-03-22 |
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