Light distribution element and lamp comprising the same
US-11732870-B2 · Aug 22, 2023 · US
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Wei Qingjun patents
Wei Qingjun is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wei Qingjun |
| Total patents | 17 |
| First publication | Sep 10, 2019 |
| Latest publication | Aug 22, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
LED light distribution structure, light source module and lamp
US-11668439-B2 · Jun 6, 2023 · US
Road lighting management system
US-11497106-B2 · Nov 8, 2022 · US
Lighting fixture
US-11320133-B2 · May 3, 2022 · US
Light distribution element and lamp comprising the same
US-2022120411-A1 · Apr 21, 2022 · US
Led light distribution structure, light source module and lamp
US-2022112989-A1 · Apr 14, 2022 · US
Lighting fixture
US-11262050-B2 · Mar 1, 2022 · US
Road lighting management system
US-2021400790-A1 · Dec 23, 2021 · US
Lighting device
US-11131439-B2 · Sep 28, 2021 · US
Street lamp device
US-11112092-B2 · Sep 7, 2021 · US
Recent patents
Latest publications not already listed above.
Lighting fixture
US-2021116105-A1 · Apr 22, 2021 · US
Light distribution element, light source module and lighting device
US-10928034-B2 · Feb 23, 2021 · US
Street lamp device
US-2020318813-A1 · Oct 8, 2020 · US
Lighting device
US-2020224852-A1 · Jul 16, 2020 · US
Light distribution element, light source module and lighting device
US-2020096174-A1 · Mar 26, 2020 · US
Lighting fixture
US-2020088398-A1 · Mar 19, 2020 · US
Light
US-D859731-S · Sep 10, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Opple Lighting Co Ltd | 17 |
| Suzhou opple lighting co ltd | 10 |
| Oppie Lighting Co Ltd | 1 |
| Suzhou Oppie Lighting Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F21Y2115/10 | 14 |
| F21W2131/103 | 10 |
| F21Y2105/16 | 8 |
| F21S8/085 | 8 |
| F21V31/005 | 6 |