Overall rank by patents
#22,830
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 2 technology areas, recorded in grant years 2015–2023. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H01L (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10).
The verdict
According to USPTO PatentsView, Jiangsu ranks #22,830 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 2 technology areas.
USPTO PatentsView assignee plate
Corpus R22830 · Foreign Corporation #22,830 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: JAE Electronics, Inc. (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Jiangsu Changjiang T… · this assignee
41 score
3D Lighting Innovati… · lowest
7 score
What this shows Jiangsu's Innovation Score is 41.2/100 (top 34% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Jiangsu Changjiang Electronics Technology Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 100% of grants classified under H01L (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10). Peak complete grant year is 2015 (3 grants) versus a trough of 1 in 2020. By volume, Jiangsu sits between JAE Electronics, Inc. and Jilin Asymchem Laboratories Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
JAE Electronics, Inc.
12 patents
JASPER DISPLAY CORP.
12 patents
JDRF ELECTROMAG ENGINEERING INC.
12 patents
JFE MINERAL COMPANY, LTD.
12 patents
JIANGSU ROTAM CHEMISTRY CO., LTD
12 patents
JIANGSU TASLY DIYI PHARMACEUTICALS CO., LTD.
12 patents
JIAO HSIUNG INDUSTRY CORP.
12 patents
JILIN ASYMCHEM LABORATORIES CO., LTD.
12 patents
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD.
12 patents
What this shows Jiangsu holds 12 patents at rank #22,819, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #22,819 in granted patent volume.
Other assignees with the most granted patents in Jiangsu's primary technology class.
Jiangsu's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
41 Top 34% higher than 66% of 50,000 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 3 | 25.0% |
| 2016 | 2 | 16.7% |
| 2017 | 3 | 25.0% |
| 2020 | 1 | 8.3% |
| 2022 | 1 | 8.3% |
| 2023 | 2 | 16.7% |
Top 2 of 2 technology areas
Overall rank by patents
#22,830
of 50,000 tracked assignees
41.2 out of 100
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.