Inventor
TAKAYUKI KARASAWA
Inventor
TW
Overview
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 transducers50%
G10KSound-producing devices25%
H04SStereophonic systems25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023Patents assigned to ASIA OPTICAL CO INC (2)· patent assignee history
2023Patents assigned to SINTAI OPTICAL SHENZHEN CO LTD (2)· patent assignee history
2023Based in TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASIA OPTICAL CO INC | 2 | 2023 |
| SINTAI OPTICAL SHENZHEN CO LTD | 2 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| TW | 2 | 2023 |