Where does Parkson Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Parkson Corporation ranks #29,743 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 Parkson Corporation hold?

Parkson Corporation holds 9 US utility patents granted between 2015 and 2024, spanning 4 technology areas.

What is Parkson Corporation's Innovation Score?

Parkson Corporation has an Innovation Score of 45.2 out of 100 (top 24% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Parkson Corporation focus on?

Parkson Corporation's top technology area is B01D (Separation) with 8 patents, ranking #597 of 3,536 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Parkson Corporation's patent grant rate increasing or decreasing?

Parkson Corporation's recent grant velocity is -20% 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 Parkson Corporation's patents?

Parkson Corporation's patents average 16.9 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 Parkson Corporation 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 US Corporation

Parkson Corporation

USPTO PatentsView assignee record - 9 granted patents across 4 technology areas, recorded in grant years 2015–2024. 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Parkson ranks #29,743 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 4 technology areas.

#29,743
of 49,997 US assignees by volume: Top 24%
by Innovation Score (45.2/100): 16.9
avg claims per patent: -20%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R29743 · US Corporation #29,743 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 9 grants
MID-PACK #29,743/49,997
PHOTO-FINISH PAN Pacific Copper
CPC-NARROW B01D · 4 areas
INNOV-PAR 45.2/100
CLAIMS-RICH 16.9 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -20% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: PAN Pacific Copper 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 Parkson’s 45.2 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 8.0 pts (18%) Velocity 20.0 pts (44%) Breadth 7.1 pts (16%) Claim depth 10.1 pts (22%)

Qualcomm Incorporated · highest

85
Parkson · this assignee

45
3D Lighting… · lowest

7

What this shows Parkson's Innovation Score is 45.2/100 (top 24% 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 Parkson?

Each dot is one of Parkson’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). Parkson’s own 16.9 claims/patent is ABOVE the 10.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Parkson's grants concentrate

Parkson Corporation is a focused PatentsView assignee: 4 CPC subclasses with 88.9% of grants classified under B01D (Separation). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2015. By volume, Parkson sits between PAN Pacific Copper Co., Ltd. and Paver Technologies LLC.

Parkson's three-year grant acceleration

Parkson Corporation shows 4 grants in 2022–2024 against only 1 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

PAN Pacific Copper

9
Panalytical B V

9
Paradigm

9
Parkitect S R O

9
Pass Stanztechnik

9
Patheon Austria &…

9
Paul Smith Group…

9
Paver

9
Parkson ◀

9

What this shows Parkson holds 9 patents at rank #29,709, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Parkson

By rank, the assignees closest to #29,709 in granted patent volume.

Leaders in B01D (Separation)

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

Parkson's Innovation Score vs. every tracked assignee

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

45 Top 24% higher than 76% 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 · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Parkson Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2017	2	22.2%
2018	1	11.1%
2019	1	11.1%
2022	1	11.1%
2023	2	22.2%
2024	1	11.1%

Which technologies does Parkson Corporation patent most?

B01D - Separation 8

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 5

B30B - Presses IN General 1

B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors 1

Top 4 of 4 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

Parkson Corporation's patent record in context - here's where to go next.

Parkson Corporation's lead technology class is B01D (Separation), 88.9% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #29,743 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Parkson Corporation against PAN Pacific Copper Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.2/100 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.