Inventor
Chi-Chao Chang
Inventor
Santa Clara, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing24%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes21%
H04LTransmission of digital information, e.g. telegraphic communication21%
H04WWireless communication networks15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G06KGraphical data reading6%
B23PMetal-working not otherwise provided for3%
H04MTelephonic communication3%
PatentTitleYear
11,072,045Method and structure for compensating tolerances in assembling modules202110,685,270Radio frequency identification chip device202010,089,653System and method for estimating mobile device locations20189,977,891Anonymous authentification method and authentification system using the same20189,886,703'System and method for estimating mobile device locations'20189,210,540'Method and apparatus for geographic document retrieval'20159,049,549'Method and apparatus for probabilistic user location'20158,719,715'System and method of identifying and measuring response to user interface design'20148,455,779'Chip card device'20138,156,032'Auction-pricing many substitute products'20127,921,107'System for generating query suggestions using a network of users and advertisers'20117,849,080'System for generating query suggestions by integrating valuable query suggestions with experimental query suggestions using a network of users and advertisers'20107,827,004'System and method of identifying and measuring response to user interface design'20107,599,911'Method and apparatus for search ranking using human input and automated ranking'20097,120,668'Systems and methods for matching participants to a conversation'20066,651,086'Systems and methods for matching participants to a conversation'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2014Patents assigned to YAHOO INC (8)· patent assignee history
2003–2014Based in Santa Clara, CA, US· patent location history
2012–2014Patents assigned to CHANG CHI-CHAO (3)· patent assignee history
2013–2020Based in Tainan, TW· patent location history
2014Patents assigned to AWADALLAH AMR A (1)· patent assignee history
2015–2018Patents assigned to XAD INC (4)· patent assignee history
2015–2018Based in Palo Alto, CA, US· patent location history
2020Patents assigned to CHANG CHI CHAO (1)· patent assignee history
2021Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAHOO INC | 8 | 2003–2014 |
| XAD INC | 4 | 2015–2018 |
| CHANG CHI-CHAOself | 3 | 2012–2014 |
| AWADALLAH AMR A | 1 | 2014 |
| CHANG CHI CHAOself | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Clara, California, US | 8 | 2003–2014 |
| Palo Alto, California, US | 4 | 2015–2018 |
| Tainan, TW | 3 | 2013–2020 |
| Hsinchu, TW | 1 | 2021 |