Donald J. Hejna Jr.

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Random access information retrieval utilizing user-defined labels
- Patent number 6,266,674
- Issue date Jul 24, 2001
- Donald J. Hejna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for efficient scheduling in a multiprocessor s...
- Patent number 5,287,508
- Issue date Feb 15, 1994
- Sun Microsystems, Inc.
- Donald J. Hejna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for time-scale modification of signals
- Patent number 5,175,769
- Issue date Dec 29, 1992
- ROLM Systems
- Donald J. Hejna
- G10 - MUSICAL INSTRUMENTS ACOUSTICS