Inventor
Li-Hsun Chang
Inventor
Taoyuan, TW
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus15%
G06FElectric digital data processing15%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers15%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material8%
D21HPulp compositions8%
H04MTelephonic communication8%
H05KPrinted circuits8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,820,079Head mounted display device202010,694,275Headphone202010,664,026Portable electronic device202010,412,845Head mounted display201910,095,284Portable electronic device20189,822,482'Method for preparing a functional film via coffee oil and textile thereof'20178,737,062'Handheld electronic device'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to HTC CORP (6)· patent assignee history
2014Patents assigned to CHANG LI-HSUN (1)· patent assignee history
2014Patents assigned to OU TSUNG-YUAN (1)· patent assignee history
2014Patents assigned to WANG CHIH-KUANG (1)· patent assignee history
2014Based in Taoyuan County, TW· patent location history
2017Patents assigned to SINGTEX IND CO LTD (1)· patent assignee history
2017Based in New Taipei, TW· patent location history
2018–2020Based in Taoyuan, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HTC CORP | 6 | 2014–2020 |
| CHANG LI-HSUNself | 1 | 2014 |
| OU TSUNG-YUAN | 1 | 2014 |
| SINGTEX IND CO LTD | 1 | 2017 |
| WANG CHIH-KUANG | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taoyuan, TW | 5 | 2018–2020 |
| New Taipei, TW | 1 | 2017 |
| Taoyuan County, TW | 1 | 2014 |