Where does Sichuan KO Chang Technology Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sichuan KO Chang Technology Co., Ltd. ranks #33,313 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Sichuan KO Chang Technology Co., Ltd. hold?

Sichuan KO Chang Technology Co., Ltd. holds 8 US utility patents granted between 2017 and 2020, spanning 8 technology areas.

What is Sichuan KO Chang Technology Co., Ltd.'s Innovation Score?

Sichuan KO Chang Technology Co., Ltd. has an Innovation Score of 24.4 out of 100 (15th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sichuan KO Chang Technology Co., Ltd.'s patent grant rate increasing or decreasing?

Sichuan KO Chang Technology Co., Ltd.'s recent grant velocity is -86% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Sichuan KO Chang Technology Co., Ltd.'s patents?

Sichuan KO Chang Technology Co., Ltd.'s patents average 11.4 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Sichuan KO Chang Technology Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Sichuan KO Chang Technology Co., Ltd.

Q: What technology areas does Sichuan KO Chang Technology Co., Ltd. focus on?

Sichuan KO Chang Technology Co., Ltd.'s top technology area is C01B (Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c) with 8 patents, ranking #290 of 1,689 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 8 technology areas, recorded in grant years 2017–2020. 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: C01B (Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Sichuan ranks #33,313 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 8 technology areas.

#33,313
of 49,997 US assignees by volume: 15th percentile
by Innovation Score (24.4/100): 11.4
avg claims per patent: -86%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R33313 · Foreign Corporation #33,313 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 8 grants
MID-PACK #33,313/49,997
PHOTO-FINISH Shimadzu Research…
CPC-NARROW C01B · 8 areas
INNOV-THIN 24.4/100
CLAIMS-PAR 11.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -86% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shimadzu Research Laboratory (SHANGHAI) Co. Ltd. (±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 Sichuan’s 24.4 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 7.6 pts (31%) Velocity 0.0 pts (0%) Breadth 10.0 pts (41%) Claim depth 6.8 pts (28%)

Qualcomm Incorporated · highest

85
Sichuan KO Chang… · this assignee

24
3D Lighting… · lowest

7

What this shows Sichuan's Innovation Score is 24.4/100 (15th 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 Sichuan?

Each dot is one of Sichuan’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). Sichuan’s own 11.4 claims/patent is at or below the 12.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Sichuan vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Sichuan's grants concentrate

Sichuan KO Chang Technology Co., Ltd. is a focused PatentsView assignee: 8 CPC subclasses with 100% of grants classified under C01B (Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c). Peak complete grant year is 2018 (4 grants) versus a trough of 1 in 2017. By volume, Sichuan sits between Shimadzu Research Laboratory (SHANGHAI) Co. Ltd. and Silcroad Soft, Inc..

Shimadzu Research…

8
Shinn FU

8
Shopper Scientist

8
Sicam S R L

8
Siemens Concentra…

8
Signalchem Lifesc…

8
Signalchip Innova…

8
Silcroad Soft

8
Sichuan KO Chang… ◀

8

What this shows Sichuan holds 8 patents at rank #33,214, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sichuan

By rank, the assignees closest to #33,214 in granted patent volume.

Leaders in C01B (Non-metallic Elements)

Other assignees with the most granted patents in Sichuan's primary technology class.

Sichuan's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

24 15th percentile higher than 15% 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

USPTO utility patent grants by year · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Sichuan KO Chang Technology Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	12.5%
2018	4	50.0%
2019	2	25.0%
2020	1	12.5%

Which technologies does Sichuan KO Chang Technology Co., Ltd. patent most?

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 8

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 4

F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus 3

B01D - Separation 3

F27D - Details OR Accessories OF Furnaces, Kilns, Ovens OR Retorts, IN SO FAR AS They ARE OF Kinds Occurring IN More Than ONE Kind OF Furnace 2

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 1

B02C - Crushing, Pulverising, OR Disintegrating IN GENERAL; Milling Grain 1

Top 8 of 8 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Sichuan KO Chang Technology Co., Ltd.'s patent record in context - here's where to go next.

Sichuan KO Chang Technology Co., Ltd.'s lead technology class is C01B (Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c), 100% of its portfolio - see every assignee active in that class. Explore C01B
Ranked #33,313 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sichuan KO Chang Technology Co., Ltd. against Shimadzu Research Laboratory (SHANGHAI) Co. Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.4/100 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.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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.