DR

David P. Rossum

CT Creative Technology: 17 patents #12 of 358Top 4%
ES E-Mu Systems: 10 patents #1 of 10Top 10%
KE Knowles Electronics: 4 patents #78 of 325Top 25%
AP Audience Partners: 3 patents #13 of 34Top 40%
📍 Santa Cruz, CA: #68 of 1,911 inventorsTop 4%
🗺 California: #10,935 of 386,348 inventorsTop 3%
Overall (All Time): #76,392 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5925841 Digital sampling instrument employing cache memory 1999-07-20
5900570 Method and apparatus for synthesizing musical sounds by frequency modulation using a filter 1999-05-04
5864876 DMA device with local page table Khir Hien Tan 1999-01-26
5763800 Method and apparatus for formatting digital audio data Michael Guzewicz, Robert Crawford, Matthew F. Williams, Donald F. Ruffcorn 1998-06-09
5698807 Digital sampling instrument Dana Massie 1997-12-16
5698803 Digital sampling instrument employing cache memory 1997-12-16
5342990 Digital sampling instrument employing cache-memory 1994-08-30
5303309 Digital sampling instrument 1994-04-12
5248845 Digital sampling instrument Dana Massie 1993-09-28
5170369 Dynamic digital IIR audio filter and method which provides dynamic digital filtering for audio signals 1992-12-08
5144676 Digital sampling instrument 1992-09-01
5111727 Digital sampling instrument for digital audio data 1992-05-12
5072645 Output stage for a multitimbral electronic musical instrument providing automatic detection of the use of submix outputs 1991-12-17
4987600 Digital sampling instrument 1991-01-22
4506579 Electronic musical instrument 1985-03-26
4404529 Lowpass filter with electronic control of cutoff and resonance Ronald N. Dow 1983-09-13