Search system and methods with integration of user annotations from a trust network
US-11556544-B2 · Jan 17, 2023 · US
Xu Zhichen is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Xu Zhichen |
| Total patents | 13 |
| First publication | Apr 21, 2015 |
| Latest publication | Jan 17, 2023 |
Publications ranked by popularity score, then publication date.
US-11556544-B2 · Jan 17, 2023 · US
US-2021011919-A1 · Jan 14, 2021 · US
US-10726019-B2 · Jul 28, 2020 · US
US-2018067994-A1 · Mar 8, 2018 · US
US-9852187-B2 · Dec 26, 2017 · US
US-2017116200-A1 · Apr 27, 2017 · US
US-9576029-B2 · Feb 21, 2017 · US
US-9576057-B2 · Feb 21, 2017 · US
US-9342614-B2 · May 17, 2016 · US
US-9160571-B2 · Oct 13, 2015 · US
Latest publications not already listed above.
US-9137329-B2 · Sep 15, 2015 · US
US-2015199435-A1 · Jul 16, 2015 · US
US-9015170-B2 · Apr 21, 2015 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Yahoo Inc | 8 |
| Slack Tech Inc | 3 |
| Excalibur Ip Llc | 3 |
| Xu Zhichen | 3 |
| Slack Tech Llc | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G06F16/9535 | 9 |
| G06F16/957 | 6 |
| G06F17/30867 | 6 |
| G06F16/24573 | 5 |
| H04L51/52 | 5 |