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Lars Risbo — 44 Patents

TITexas Instruments: 34 patents #272 of 12,488Top 3%

PAPurifi Aps: 7 patents #1 of 4Top 25%

Kirke Hvalsø, DK: #1 of 3 inventorsTop 35%

Overall (All Time): #66,838 of 4,157,543Top 2%

44 Patents All Time

Lars Risbo has been granted 44 US patents while listed as an inventor at Texas Instruments. The first was granted in 2002 and the most recent in September 2025. Lars Risbo ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Lars Risbo in Kirke Hvalsø, DK.

Patents per Year

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7750731	PWM loop filter with minimum aliasing error	Soeren Poulsen	2010-07-06	$10,374,000
7626519	Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates	—	2009-12-01	$21,874,000
7492217	On-the-fly introduction of inter-channel delay in a pulse-width-modulation amplifier	Thomas Hansen, Anker Bjørn-Josefsen, Douglas Roberson	2009-02-17	$10,035,000
7425864	Recovery from clipping events in a class D amplifier	—	2008-09-16	$20,227,000
7425874	All-digital phase-locked loop for a digital pulse-width modulator	Asit Shankar, Josey George Angilivelil	2008-09-16	$20,227,000
7378904	Soft transitions between muted and unmuted states in class D audio amplifiers	—	2008-05-27	$13,463,000
7346113	Method and circuit for stop of signals quantized using noise-shaping	Thomas Hansen	2008-03-18	$5,664,000
7279965	Reduction of audible artifacts in an audio system	Thomas Hansen, Anker Bjørn-Josefsen	2007-10-09
7167056	High performance analog charge pumped phase locked loop (PLL) architecture with process and temperature compensation in closed loop bandwidth	Lieyi Fang, Asit Shankar	2007-01-23	$16,757,000
7142050	Recovery from clipping events in a class D amplifier	—	2006-11-28	$22,137,000
7078964	Detection of DC output levels from a class D amplifier	James Teng	2006-07-18	$10,431,000
7071752	Amplifiers	Venkateswar Reddy Kowkutla, Shifeng Zhao, Luis Eduardo Ossa, Kenneth Bell, Anker Josefsen	2006-07-04
7034609	Switching circuits	Anker Josefsen	2006-04-25	$12,440,000
7002406	Loop filter for class D amplifiers	Claus Neesgaard	2006-02-21	$17,121,000
6720825	Method and circuit for reduction of audible turn-on and turn-off transients in switching amplifiers	Thomas Hansen, Venkateswar Reddy Kowkutla	2004-04-13	$20,845,000
6657566	Conversion of a PCM signal into a UPWM signal	Hans K. Andersen	2003-12-02
6600327	Method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit	Niels Anderskouv	2003-07-29	$48,919,000
6518838	Circuit for compensating noise and errors from an output state of a digital amplifier	—	2003-02-11
6373336	Method of attenuating zero crossing distortion and noise in an amplifier, an amplifier and uses of the method and the amplifier	Niels Anderskouv	2002-04-16