ZILLTEK TECH SHANGHAI CORP has a total of 13 patent applications. Its first patent ever was published in 2015. It filed its patents most often in United States, Japan and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and computer technology are JIAXING ZHENGLONG ELECTRONIC CO LTD, DANAVOX INTERNAT A S and HARRY CLAUDE WILLSON.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Japan | 3 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ye Jinghua | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2019182604A1 | Electronic device and microphone structure with enhanced back cavity | |
| JP2019097142A | New type of microphone structure and foldable electronic equipment | |
| US2016366767A1 | Printed circuit board, waterproof microphone and production process thereof |