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Inventor

Haizhu XU

Inventor
CN

Overview

2→
Patents
2023–2024
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers33%
H03FAmplifiers17%
H03GControl of amplification17%
H04LTransmission of digital information, e.g. telegraphic communication17%
H04WWireless communication networks17%
PatentTitleYear
11,997,734Wireless headphone matching method, device, terminal and charging box202411,736,851Wireless playback device, and playback control method and apparatus thereof2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to GOERTEK INC (1)· patent assignee history
2023–2024Based in CN· patent location history
2024Patents assigned to GOERTEK TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GOERTEK INC12023
GOERTEK TECH CO LTD12024
Locations
LocationPatentsSpan
CN22023–2024