Inventor
HISAO CHANG
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis18%
H04NPictorial communication, e.g. television18%
G06FElectric digital data processing12%
G06VImage or video recognition or understanding12%
G08BSignalling systems, e.g. personal calling systems12%
A61BDiagnosis6%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
G08CTransmission systems for measured values, control or similar signals6%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data6%
H04WWireless communication networks6%
PatentTitleYear
12,437,539System and method for identifying activity in an area using a video camera and an audio sensor202511,620,827System and method for identifying activity in an area using a video camera and an audio sensor202311,568,736Voice enabled remote control for a set-top box202311,191,432Wearable health monitoring system2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to AT & T IP I LP (1)· patent assignee history
2021–2025Based in US· patent location history
2023–2025Patents assigned to HONEYWELL INT INC (2)· patent assignee history
2023Patents assigned to NUANCE COMMUNICATIONS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INT INC | 2 | 2023–2025 |
| AT & T IP I LP | 1 | 2021 |
| NUANCE COMMUNICATIONS INC | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2021–2025 |