Where does Keirton Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Keirton Inc. ranks #48,088 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 Keirton Inc. hold?

Keirton Inc. holds 5 US utility patents granted between 2017 and 2021, spanning 6 technology areas.

What is Keirton Inc.'s Innovation Score?

Keirton Inc. has an Innovation Score of 22.3 out of 100 (10th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Keirton Inc.'s patent grant rate increasing or decreasing?

Keirton Inc.'s recent grant velocity is -33% 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 Keirton Inc.'s patents?

Keirton Inc.'s patents average 12.4 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 Keirton Inc. 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

Keirton Inc.

Q: What technology areas does Keirton Inc. focus on?

Keirton Inc.'s top technology area is A01G (HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering) with 4 patents. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2017–2021. 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: A01G (HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Keirton ranks #48,088 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#48,088
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.3/100): 12.4
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48088 · Foreign Corporation #48,088 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,088/49,997
PHOTO-FINISH Keewin Display
CPC-NARROW A01G · 6 areas
INNOV-THIN 22.3/100
CLAIMS-RICH 12.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Keewin Display 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.

Qualcomm Incorporated · highest

85
Keirton · this assignee

22
3D Lighting… · lowest

7

What this shows Keirton's Innovation Score is 22.3/100 (10th 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.

Where Keirton's grants concentrate

Keirton Inc. is a focused PatentsView assignee: 6 CPC subclasses with 80% of grants classified under A01G (HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2019. By volume, Keirton sits between Keewin Display Co., Ltd. and Kellstrom Defense Aerospace, Inc..

Keewin Display

5
Keezio Group

5
Kegel

5
Keihin Ramtech

5
Keiryo Packaging

5
Kejr

5
Kellogg North Ame…

5
Kellstrom Defense…

5
Keirton ◀

5

What this shows Keirton holds 5 patents at rank #48,192, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Keirton

By rank, the assignees closest to #48,192 in granted patent volume.

Leaders in A01G (Horticulture)

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

Keirton's Innovation Score vs. every tracked assignee

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

22 10th percentile higher than 10% 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 · 2017–2021

Grants by year

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

View data table

Keirton Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	2	40.0%
2019	1	20.0%
2020	1	20.0%
2021	1	20.0%

Which technologies does Keirton Inc. patent most?

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 4

A23N - Machines OR Apparatus FOR Treating Harvested Fruit, Vegetables OR Flower Bulbs IN Bulk, NOT Otherwise Provided FOR; Peeling Vegetables OR Fruit IN BULK; Apparatus FOR Preparing Animal Feeding- Stuffs 3

B26D - CUTTING; Details Common TO Machines FOR Perforating, Punching, Cutting-out, Stamping-out OR Severing 3

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 1

Y10T - Technical Subjects Covered BY Former US Classification 1

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

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#48,088

of 49,997 tracked assignees

Innovation Score

22.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Keirton Inc.'s patent record in context - here's where to go next.

Keirton Inc.'s lead technology class is A01G (HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering), 80% of its portfolio - see every assignee active in that class. Explore A01G
Ranked #48,088 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Keirton Inc. against Keewin Display Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.3/100 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.