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Duc Ngo — 27 Patents

Sony: 46 patents #553 of 25,231Top 3%

ZEZenith Electronics: 4 patents #84 of 411Top 25%

Chicago, IL: #312 of 13,327 inventorsTop 3%

Illinois: #2,419 of 84,256 inventorsTop 3%

Overall (All Time): #142,059 of 4,157,543Top 4%

27 Patents All Time

Duc Ngo has been granted 27 US patents while listed as an inventor at Sony. The first was granted in 1992 and the most recent in October 2000. Duc Ngo ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Duc Ngo in Chicago, IL, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6141064	Luminance signal generation circuit with single clamp in closed loop configuration	Mehrdad Nayebi	2000-10-31	$1,975,000
6072341	Driver circuit with pull down npn transistor and gain reduction	Merhdad Nayebi	2000-06-06	$1,868,000
6046776	Burst gate pulse generator	Chun-Kwan K. Yee	2000-04-04	$3,886,000
6043850	Burst gate pulse generator circuit	Mehrdad Nayebi	2000-03-28	$1,649,000
6028640	Current source and threshold voltage generation method and apparatus for HHK video circuit	Mehrdad Nayebi	2000-02-22	$2,312,000
6018370	Current source and threshold voltage generation method and apparatus for HHK video circuit	Mehrdad Nayebi	2000-01-25	$3,351,000
6008864	Composite video signal backporch soft-clamp system using servo loop	Mehrdad Nayebi	1999-12-28	$2,527,000
5999221	Horizontal synchronization pulse generation circuit	Mehrdad Nayebi	1999-12-07	$699,000
5926063	Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin	Mehrdad Nayebi	1999-07-20	$644,000
5907367	Video overlay circuit for synchronizing and combining analog and digital signals	Steve Edwards, Mehrdad Nayebi	1999-05-25	$638,000
5864371	Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation	Mehrdad Nayebi	1999-01-26	$574,000
5844621	Burst gate pulse generator	Chun-Kwan K. Yee	1998-12-01	$413,000
5828254	Error regulator circuit for sample and hold phase locked loops	Mehrdad Nayebi	1998-10-27	$323,000
5815212	Video overlay circuit for synchronizing and combining analog and digital signals	Steve Edwards, Mehrdad Nayebi	1998-09-29	$500,000
5812208	Burst separator and slicer circuit	Mehrdad Nayebi	1998-09-22	$335,000
5784122	Chroma lock detector	Mehrdad Nayebi	1998-07-21	$419,000
5774188	Black and white video signal detector for detecting the absence of a burst signal from a video signal	Mehrdad Nayebi	1998-06-30	$366,000
5774185	Method of and apparatus for removing equalizing pulses without using external pins	Mehrdad Nayebi, Chun-Kwan K. Yee	1998-06-30	$366,000
5719532	Horizontal lock detector	Mehrdad Nayebi	1998-02-17	$466,000
5689309	Control circuit for mixing two video signals	Mehrdad Nayebi, Steve Edwards	1997-11-18	$299,000
5689308	Vertical reset genereator circuit	Mehrdad Nayebi	1997-11-18	$299,000
5686974	Method of and apparatus for providing a high speed video switch	Mehrdad Nayebi	1997-11-11	$357,000
5675392	Mixer with common-mode noise rejection	Mehrdad Nayebi	1997-10-07	$298,000
5247229	Adaptive scan control having horizontal scan locked clock system	Kishan R. Pulluru, Gopal K. Srivastava	1993-09-21	$2,651,000
5138320	Skew code generator for measuring pulses width using a delay line	Timothy J. Donovan	1992-08-11	$1,157,000