ChengDu HaiCun IP Technology LLC
USPTO PatentsView assignee record - 21 granted patents across 17 technology areas, recorded in grant years 2015–2020. 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: G11C (Static Stores).
The verdict
According to USPTO PatentsView, Chengdu ranks #13,915 of 49,997 tracked US assignees by granted-patent volume, with 21 patents across 17 technology areas.
- #13,915
- of 49,997 US assignees by volume
- 49th percentile
- by Innovation Score (34.8/100)
- 15.9
- avg claims per patent
- -89%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R13915 · Foreign Corporation #13,915 · 21 grants
GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
- GRANTS-SMALL 21 grants
- MID-PACK #13,915/49,997
- PHOTO-FINISH Carleton Life…
- CPC-FOCUS G11C · 17 areas
- INNOV-THIN 34.8/100
- CLAIMS-RICH 15.9 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-DROP -89% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Carleton Life Support Systems 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.
How Chengdu’s 34.8 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Chengdu
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- ChengDu HaiCun IP… · this assignee
ChengDu HaiCun IP… · this assignee
35 score
- Gauthier Biomedical · near
Gauthier Biomedical · near
35 score
- Lentigen Technology · near
Lentigen Technology · near
35 score
- Mauser Werke · near
Mauser Werke · near
35 score
- Shenzhen Antop… · near
Shenzhen Antop… · near
35 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Chengdu's Innovation Score is 34.8/100 (49th percentile 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.
Does more volume mean deeper claims for Chengdu?
Each dot is one of Chengdu’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Chengdu’s own 15.9 claims/patent is at or below the 18.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
Where Chengdu's grants concentrate
ChengDu HaiCun IP Technology LLC is a focused PatentsView assignee: 17 CPC subclasses with 81% of grants classified under G11C (Static Stores). Peak complete grant year is 2018 (7 grants) versus a trough of 2 in 2016. By volume, Chengdu sits between Carleton Life Support Systems Inc. and Classiq Technologies Ltd..
Who files at ChengDu's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Carleton Life Sup…
Carleton Life Support Systems Inc.
21 patents
- Cascade Microtech
Cascade Microtech, Inc.
21 patents
- Cavitation
Cavitation Technologies, Inc.
21 patents
- Champion Microele…
Champion Microelectronic Corporation
21 patents
- Chimera Bioengine…
Chimera Bioengineering, Inc.
21 patents
- Ciari Guitars
Ciari Guitars, Inc.
21 patents
- Cisco
Cisco Technologies, Inc.
21 patents
- Classiq
Classiq Technologies Ltd.
21 patents
- Chengdu Haicun IP… ◀
ChengDu HaiCun IP Technology LLC
21 patents
What this shows ChengDu holds 21 patents at rank #13,924, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near ChengDu
By rank, the assignees closest to #13,924 in granted patent volume.
- Carleton Life Support Systems Inc. #13,920 · 21 patents
- Cascade Microtech, Inc. #13,921 · 21 patents
- Cavitation Technologies, Inc. #13,922 · 21 patents
- Champion Microelectronic Corporation #13,923 · 21 patents
- Chimera Bioengineering, Inc. #13,925 · 21 patents
- Ciari Guitars, Inc. #13,926 · 21 patents
- Cisco Technologies, Inc. #13,927 · 21 patents
- Classiq Technologies Ltd. #13,928 · 21 patents
Leaders in G11C (Static Stores)
Other assignees with the most granted patents in ChengDu's primary technology class.
- Micron Technology, Inc. 7,566 in class
- Samsung Electronics Co., Ltd. 4,655 in class
- SK hynix Inc. 4,635 in class
- Taiwan Semiconductor Manufacturing Company Ltd. 2,498 in class
- Sandisk Technologies, Inc. 1,794 in class
- Intel Corporation 1,567 in class
- International Business Machines Corporation 1,554 in class
- Toshiba Memory Corporation 1,205 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for ChengDu, neither rank-band nor same-CPC leaders (those blocks stay above). In G11C (Static Stores), ChengDu ranks #181 of 882 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (35 here).
Chengdu's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
35 49th percentile higher than 49% of 49,997 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 4 | 19.0% |
| 2016 | 2 | 9.5% |
| 2017 | 3 | 14.3% |
| 2018 | 7 | 33.3% |
| 2019 | 3 | 14.3% |
| 2020 | 2 | 9.5% |
Which technologies does ChengDu HaiCun IP Technology LLC patent most?
Top 15 of 17 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
ChengDu HaiCun IP Technology LLC's patent record in context - here's where to go next.
- ChengDu HaiCun IP Technology LLC's lead technology class is G11C (Static Stores), 81% of its portfolio - see every assignee active in that class. Explore G11C
- Ranked #13,915 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare ChengDu HaiCun IP Technology LLC against Carleton Life Support Systems Inc., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 34.8/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
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.