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Inventor

MARTIAL A. ROUSSEAU

Inventor
US

Overview

3→
Patents
2023–2026
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 transducers50%
G06FElectric digital data processing17%
H01FMagnets17%
H05KPrinted circuits17%
PatentTitleYear
12,538,079Magnetic stiffness reduction for audio transducers202612,464,295Air motion transformer transducer with closed-circuit magnet motor system202511,543,864Speaker assembly for electronic device2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2026Patents assigned to APPLE INC (3)· patent assignee history
2023–2026Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC32023–2026
Locations
LocationPatentsSpan
US32023–2026