Sotokawa; Akio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sotokawa; Akio.The latest application filed is for "light source device and display device".
- Sotokawa; Akio - Kawasaki JP
- Sotokawa; Akio - Kanagawa JP
- Sotokawa; Akio - Kawaski JP
| Patent | Date |
|---|---|
| Light source device and display device Grant 7,654,698 - Sotokawa , et al. February 2, 2 | 2010-02-02 |
| Display device, including discharge tube temperature control member Grant 7,549,768 - Sotokawa , et al. June 23, 2 | 2009-06-23 |
| Backlight having a polarization separating element Grant 7,541,723 - Hayashi , et al. June 2, 2 | 2009-06-02 |
| Light source device and display device Grant 7,513,650 - Sotokawa , et al. April 7, 2 | 2009-04-07 |
| Light source device and display device Grant 7,513,649 - Sotokawa , et al. April 7, 2 | 2009-04-07 |
| Light source device and display device Grant 7,470,039 - Sotokawa , et al. December 30, 2 | 2008-12-30 |
| Light source device and display device Grant 7,470,040 - Sotokawa , et al. December 30, 2 | 2008-12-30 |
| Light source device and display device Grant 7,396,144 - Sotokawa , et al. July 8, 2 | 2008-07-08 |
| Light source device and display device App 20080137376 - Sotokawa; Akio ; et al. | 2008-06-12 |
| Backlight having discharge tube, reflector and heat conduction member contacting discharge tube App 20080062700 - Hayashi; Keiji ; et al. | 2008-03-13 |
| Backlight having discharge tube, reflector and heat conduction member contacting discharge tube Grant 7,309,146 - Hayashi , et al. December 18, 2 | 2007-12-18 |
| Light source device and display device App 20070258269 - Sotokawa; Akio ; et al. | 2007-11-08 |
| Light source device, and display device, display module, information handling apparatus and portable information handling apparatus comprising same Grant 7,290,901 - Sotokawa , et al. November 6, 2 | 2007-11-06 |
| Light source device and display device Grant 7,290,899 - Sotokawa , et al. November 6, 2 | 2007-11-06 |
| Light source device and display device App 20070253220 - Sotokawa; Akio ; et al. | 2007-11-01 |
| Light source device and display device App 20070247849 - Sotokawa; Akio ; et al. | 2007-10-25 |
| Light source device and display device App 20070242482 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Light source device and display device App 20070242481 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Light source device and display device App 20070242458 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Light source device and display device App 20070242480 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Light source device and display device App 20070242484 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Light source device and display device App 20070242483 - Sotokawa; Akio ; et al. | 2007-10-18 |
| Method of producing a backlight having a discharge tube containing mercury Grant 7,169,005 - Hayashi , et al. January 30, 2 | 2007-01-30 |
| Light source device and display device Grant 7,070,291 - Sotokawa , et al. July 4, 2 | 2006-07-04 |
| Light source device and display device App 20060098436 - Sotokawa; Akio ; et al. | 2006-05-11 |
| Light source device and display device App 20060097642 - Sotokawa; Akio ; et al. | 2006-05-11 |
| Method of producing a backlight having a discharge tube containing mercury App 20050255784 - Hayashi, Keiji ; et al. | 2005-11-17 |
| Optical sheet having a diffusion portion App 20050242693 - Hayashi, Keiji ; et al. | 2005-11-03 |
| Backlight having a polarization separating element App 20050236948 - Hayashi, Keiji ; et al. | 2005-10-27 |
| Backlight having discharge tube, reflector and heat conduction member contacting discharge tube App 20050179352 - Hayashi, Keiji ; et al. | 2005-08-18 |
| Light source device and display device App 20040062042 - Sotokawa, Akio ; et al. | 2004-04-01 |
| Backlight having discharge tube, reflector and heat conduction member contacting discharge tube App 20020113534 - Hayashi, Keiji ; et al. | 2002-08-22 |
| Status display control unit, electronic equipment and storage medium App 20010028366 - Ohki, Hisashi ; et al. | 2001-10-11 |
| Discharging tube with piezoelectric substrate Grant 6,294,881 - Miyazaki , et al. September 25, 2 | 2001-09-25 |
| Liquid crystal display device having an optimized ridged layer to improve luminosity Grant 5,550,657 - Tanaka , et al. August 27, 1 | 1996-08-27 |
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