Dho; Sang-whoe

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dho; Sang-whoe.The latest application filed is for "laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same".

Company Profile

0.14.16

Dho; Sang-whoe - Suwon KR
Dho; Sang-whoe - Suwon-si KR
Dho; Sang-whoe - Suwon-city KR
Dho; Sang-whoe - Kyungki-do KR
Dho, Sang-whoe - Gyunggi-do KR

*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
Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same Grant 7,817,212 - Lee , et al. October 19, 2	2010-10-19
Illumination system capable of eliminating laser speckle and projection system employing the same Grant 7,585,078 - Kim , et al. September 8, 2	2009-09-08
Illumination system to eliminate laser speckle and projection system employing the same Grant 7,527,384 - Kim , et al. May 5, 2	2009-05-05
Illumination system to eliminate laser speckle and a single-panel projection system employing the same Grant 7,433,124 - Kim , et al. October 7, 2	2008-10-07
Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same App 20070115395 - Lee; Jin-ho ; et al.	2007-05-24
Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same Grant 7,184,103 - Lee , et al. February 27, 2	2007-02-27
Illumination system to eliminate laser speckle and projection system employing the same App 20060126184 - Kim; Sung-ha ; et al.	2006-06-15
Illumination system to eliminate laser speckle and a single-panel projection system employing the same App 20060092515 - Kim; Sung-ha ; et al.	2006-05-04
Light coupling device and image projection apparatus using the same Grant 7,014,318 - Dho March 21, 2	2006-03-21
Illumination system capable of eliminating laser speckle and projection system employing the same App 20060028961 - Kim; Sung-ha ; et al.	2006-02-09
Apparatus for image projecting having a matrix type of optical-switch Grant 6,910,776 - Dho , et al. June 28, 2	2005-06-28
Optical coupling device, method of producing the same, and optical apparatus using the same App 20050123239 - Dho, Sang-whoe	2005-06-09
Color separating device using dichroic mirror wheel and image projecting apparatus using the same Grant 6,870,685 - Hong , et al. March 22, 2	2005-03-22
Optical coupling device, method of producing the same, and optical apparatus using the same Grant 6,865,309 - Dho March 8, 2	2005-03-08
Image projection apparatus and method Grant 6,819,468 - Dho November 16, 2	2004-11-16
Image projecting apparatus having optical switch Grant 6,799,850 - Hong , et al. October 5, 2	2004-10-05
Image projection apparatus and method Grant 6,796,689 - Dho September 28, 2	2004-09-28
Apparatus and method for image projection using dichroic mirror wheel Grant 6,793,345 - Dho September 21, 2	2004-09-21
Apparatus for image projecting having a matrix type of optical-switch App 20040109141 - Dho, Sang-Whoe ; et al.	2004-06-10
Color separating device using dichroic mirror wheel and image projecting apparatus using the same App 20040105162 - Hong, Chang-Wan ; et al.	2004-06-03
Image projection apparatus Grant 6,733,135 - Dho May 11, 2	2004-05-11
Image projecting apparatus having optical switch App 20040080714 - Hong, Chang-Wan ; et al.	2004-04-29
Apparatus and method for image projection using dichroic mirror wheel App 20040008324 - Dho, Sang-whoe	2004-01-15
Light coupling device and image projection apparatus using the same App 20030223046 - Dho, Sang-whoe	2003-12-04
Image projection apparatus App 20030198429 - Dho, Sang-Whoe	2003-10-23
Image projection apparatus App 20030184715 - Dho, Sang-whoe	2003-10-02
Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same App 20030174255 - Lee, Jin-ho ; et al.	2003-09-18
Image projection apparatus and method App 20030107817 - Dho, Sang-Whoe	2003-06-12
Image projection apparatus and method App 20030107893 - Dho, Sang-whoe	2003-06-12
Optical coupling device, method of producing the same, and optical apparatus using the same App 20030091279 - Dho, Sang-Whoe	2003-05-15

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