Inventor

ALEXANDER TOPCHY

Inventor

US

Overview

2021–2025

Patent span

Electricity

Primary field (CPC H)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television32%

G06FElectric digital data processing20%

G10LSpeech analysis techniques or speech synthesis14%

H04HBroadcast communication13%

H04LTransmission of digital information, e.g. telegraphic communication7%

G11BInformation storage based on relative movement between record carrier and transducer5%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%

G06TImage data processing or generation, in general2%

A61BDiagnosis1%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock1%

PatentTitleYear

12,505,848Audio watermarking for people monitoring2025 12,462,831Methods and apparatus to fingerprint an audio signal2025 12,464,200Apparatus and methods to associate different watermarks detected in media2025 12,464,191Methods and apparatus for measuring engagement during media exposure2025 12,386,888Compensating for time scale differences between audio and other signals in fingerprinting and matching applications2025 12,342,054Methods and apparatus to extend a timestamp range supported by a watermark2025 12,328,351Methods and apparatus to identify streaming sessions2025 12,323,657Methods and apparatus to count people in an audience2025 12,287,853End-point media watermarking2025 12,271,452End-point media watermarking2025 12,256,121Systems, apparatus, and methods to improve watermark detection in acoustic environments2025 12,250,434Methods and apparatus to present supplemental media on a second screen2025 12,244,894Methods and apparatus to detect a presence status2025 12,206,958Methods and apparatus to extend a timestamp range supported by a watermark2025 12,198,717Methods and apparatus to perform signature matching using noise cancellation models to achieve consensus2025 12,189,684Methods and apparatus to perform audio watermarking and watermark detection and extraction2025 12,177,516Methods and apparatus to determine media viewing information for hybrid content delivery2024 12,143,658Methods and apparatus to detect multiple wearable meter devices2024 12,132,958Methods and apparatus to count people in an audience2024 12,126,863Methods and apparatus for measuring engagement during media exposure2024 12,126,431Media identification using watermarks and signatures2024 12,088,865Methods and apparatus for affiliate interrupt detection2024 12,075,117Methods and apparatus of media device detection for minimally invasive media meters2024 12,041,258Apparatus and methods for watermarking using starting phase modulation2024 12,041,319Apparatus and methods to associate different watermarks detected in media2024 11,962,855Methods, apparatus, and articles of manufacture to determine whether audience measurement meters are co-located2024 11,942,099Audio watermarking for people monitoring2024 11,928,707Systems and methods to pre-scale media content to facilitate audience measurement2024 11,877,039Methods and apparatus to extend a timestamp range supported by a watermark2024 11,863,294Methods and apparatus for increasing the robustness of media signatures2024 11,843,825Systems, apparatus, and methods to improve watermark detection in acoustic environments2023 11,818,442Methods and apparatus to extend a timestamp range supported by a watermark2023 11,809,489Methods and apparatus to perform audio watermarking and watermark detection and extraction2023 11,812,104Methods and apparatus to detect a presence status2023 11,798,577Methods and apparatus to fingerprint an audio signal2023 11,755,642Detecting media watermarks in magnetic field data2023 11,716,507Methods and apparatus of media device detection for minimally invasive media meters2023 11,711,576Methods and apparatus to count people in an audience2023 11,677,996Methods and apparatus for affiliate interrupt detection2023 11,652,859Methods and apparatus to identify streaming sessions2023 11,574,643Methods and apparatus for audio signature generation and matching2023 11,568,439Systems and methods to pre-scale media content to facilitate audience measurement2023 11,564,003Systems, apparatus, and methods to improve watermark detection in acoustic environments2023 11,557,304Methods and apparatus for performing variable block length watermarking of media2023 11,546,674Methods and apparatus to extend a timestamp range supported by a watermark2023 11,537,690End-point media watermarking2022 11,516,609Methods and apparatus for analyzing microphone placement for watermark and signature recovery2022 11,501,793Methods and apparatus to perform signature matching using noise cancellation models to achieve consensus2022 11,451,884Methods and apparatus to extend a timestamp range supported by a watermark2022 11,423,079Detecting media watermarks in magnetic field data2022 11,375,224Apparatus and methods for watermarking using starting phase modulation2022 11,357,431Methods and apparatus to identify a mood of media2022 11,356,747Apparatus and methods to associate different watermarks detected in media2022 11,316,603Methods and apparatus for increasing the robustness of media signatures2022 11,271,665Media identification using watermarks and signatures2022 11,256,740Methods and apparatus to perform audio watermarking and watermark detection and extraction2022 11,250,865Audio watermarking for people monitoring2022 11,245,960Methods and apparatus of media device detection for minimally invasive media meters2022 11,197,060Methods and apparatus to count people in an audience2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to NIELSEN CO US LLC (57)· patent assignee history

2021–2025Based in US· patent location history

2023–2025Patents assigned to GRACENOTE INC (2)· patent assignee history

2024Patents assigned to THE NIELSEN CO US LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIELSEN CO US LLC	57	2021–2025
GRACENOTE INC	2	2023–2025
THE NIELSEN CO US LLC	1	2024

Locations

Location	Patents	Span
US	59	2021–2025