Stefan Pillhofer

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and system to process digital audio data
- Patent number 9,208,821
- Issue date Dec 8, 2015
- Apple Inc.
- Matt Evans
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Musical instruction and assessment systems
- Patent number 8,785,757
- Issue date Jul 22, 2014
- Apple Inc.
- Stefan Pillhofer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Musical instruction and assessment systems
- Patent number 8,338,684
- Issue date Dec 25, 2012
- Apple Inc.
- Stefan Pillhofer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Digital audio processor
- Patent number 8,255,069
- Issue date Aug 28, 2012
- Apple Inc.
- Matt Evans
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for displaying components of music instruction files
- Patent number 8,183,454
- Issue date May 22, 2012
- Apple Inc.
- Oliver Helmut Luedecke
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Musical Instruction and Assessment Systems
- Publication number 20130233152
- Publication date Sep 12, 2013
- Apple Inc.
- Stefan Pillhofer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
MUSICAL INSTRUCTION AND ASSESSMENT SYSTEMS
- Publication number 20110259176
- Publication date Oct 27, 2011
- Apple Inc.
- Stefan Pillhofer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD AND SYSTEM FOR MUSIC INSTRUCTION FILES
- Publication number 20100162880
- Publication date Jul 1, 2010
- Apple Inc.
- Oliver Helmut Luedecke
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
MUSIC INSTRUCTION SYSTEM
- Publication number 20100162878
- Publication date Jul 1, 2010
- Apple Inc.
- Gerhard H. Lengeling
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD AND SYSTEM TO PROCESS DIGITAL AUDIO DATA
- Publication number 20090044122
- Publication date Feb 12, 2009
- Matt Evans
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIGITAL AUDIO PROCESSOR
- Publication number 20090043410
- Publication date Feb 12, 2009
- Matt Evans
- G10 - MUSICAL INSTRUMENTS ACOUSTICS