Inventor
RICHARD WARREN LITTLE
Inventor
CN
Overview
Patents· 7 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%
G01MTesting static or dynamic balance of machines or structures17%
A43BCharacteristic features of footwear8%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general8%
G01DMeasuring not specially adapted for a specific variable8%
H02JElectric power networks8%
H03FAmplifiers8%
H05KPrinted circuits8%
PatentTitleYear
12,587,770Suspension system for high-aspect ratio audio transducer202611,666,942Haptic transducer and footplate coupled to the same202311,467,053Test device and calibrating method202211,387,792Loudspeaker system and electronics device202211,363,360Acoustic reflector and acoustic electronics device202211,187,609Test device and calibrating method202111,178,482Transducer module and electronics device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to GOERTEK INC (5)· patent assignee history
2021–2022Based in CN· patent location history
2023Patents assigned to HAPTECH HOLDINGS INC (1)· patent assignee history
2023–2026Based in US· patent location history
2026Patents assigned to AMAZON TECH INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOERTEK INC | 5 | 2021–2022 |
| AMAZON TECH INC | 1 | 2026 |
| HAPTECH HOLDINGS INC | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 5 | 2021–2022 |
| US | 2 | 2023–2026 |