Inventor
Chiang-Tung Tsai
Inventor
Tainan, TW
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Cprimary
G02CSpectacles30%
H01LSemiconductor devices20%
H10DInorganic electric semiconductor devices20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
PatentTitleYear
11,088,029Gate stack treatment202111,081,584Method of manufacturing semiconductor devices using a capping layer in forming gate electrode and semiconductor devices20217,090,346'Eyeglasses with a lens member easily mountable to and removable from a frame member'20066,820,978'Eyeglasses having easily mountable temple unit'20044,842,399'Apparatus and method for retaining a spectacle lens on a rimless spectacle frame with a tough cord'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to LIEN CHIANG OPTICIAN S COMPANY (1)· patent assignee history
1989–2006Based in Tainan, TW· patent location history
2006Patents assigned to TSAI CHIANG-TUNG (1)· patent assignee history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (2)· patent assignee history
2021Based in Hsinchu, TW· patent location history
2021Based in Zhubei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAIWAN SEMICONDUCTOR MFG CO LTD | 2 | 2021 |
| LIEN CHIANG OPTICIAN S COMPANY | 1 | 1989 |
| TSAI CHIANG-TUNGself | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tainan, TW | 3 | 1989–2006 |
| Hsinchu, TW | 1 | 2021 |
| Zhubei, TW | 1 | 2021 |