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Hellmuth Oliver patents

Hellmuth Oliver holds 4 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
Metric	Value
Total patents	4
Recent patents	0
First publication	Feb 17, 2015
Latest publication	Apr 26, 2016

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
Year	Patents
2015	3
2016	1

Browse patents by year
Year	Patents
2015	3
2016	1

Recent patents

Latest publications where this party is an assignee.

Device and method for generating an ambience signal
US-9326085-B2 · Apr 26, 2016 · US
Apparatus and method for processing an audio signal for speech enhancement using a feature extraction
US-9064498-B2 · Jun 23, 2015 · US
Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signaling
US-9060236-B2 · Jun 16, 2015 · US
Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
US-8958566-B2 · Feb 17, 2015 · US

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPC	Patents
G10L19/008	3
H04S5/005	1
H04R5/04	1
H04S2420/03	1
H04S3/008	1

Technology areas

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	4
Electricity	3