Where does E.F. Johnson Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), E.F. Johnson Company ranks #9,246 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 E.F. Johnson Company hold?

E.F. Johnson Company holds 34 US utility patents granted between 2015 and 2025, spanning 13 technology areas.

What is E.F. Johnson Company's Innovation Score?

E.F. Johnson Company has an Innovation Score of 39.5 out of 100 (top 38% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does E.F. Johnson Company focus on?

E.F. Johnson Company's top technology area is H04W (Wireless Communication Networks) with 16 patents, ranking #929 of 5,904 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

Is E.F. Johnson Company's patent grant rate increasing or decreasing?

E.F. Johnson Company's recent grant velocity is -50% 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 E.F. Johnson Company's patents?

E.F. Johnson Company's patents average 20.4 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 E.F. Johnson Company 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

E.F. Johnson Company

USPTO PatentsView assignee record - 34 granted patents across 13 technology areas, recorded in grant years 2015–2025. 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: H04W (Wireless Communication Networks).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, E.f. ranks #9,246 of 49,997 tracked US assignees by granted-patent volume, with 34 patents across 13 technology areas.

#9,246
of 49,997 US assignees by volume: Top 38%
by Innovation Score (39.5/100): 20.4
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R9246 · US Corporation #9,246 · 34 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-DENSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 34 grants
UPPER-Q #9,246/49,997
PHOTO-FINISH DataInfoCom USA
CPC-FOCUS H04W · 13 areas
INNOV-THIN 39.5/100
CLAIMS-DENSE 20.4 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: DataInfoCom USA, 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 E.f.’s 39.5 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 12.3 pts (31%) Velocity 2.2 pts (6%) Breadth 12.7 pts (32%) Claim depth 12.2 pts (31%)

Qualcomm Incorporated · highest

85
Overstock com · near

39
Crossroads Extremity… · near

39
E F Johnson · this assignee

39
Prilit Optronics · near

39
Qingdao University · near

39
3D Lighting… · lowest

7

What this shows E.f.'s Innovation Score is 39.5/100 (top 38% 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 E.f.?

Each dot is one of E.f.’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). E.f.’s own 20.4 claims/patent is ABOVE the 16.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where E.f.'s grants concentrate

E.F. Johnson Company is a focused PatentsView assignee: 13 CPC subclasses with 47.1% of grants classified under H04W (Wireless Communication Networks). Peak complete grant year is 2017 (9 grants) versus a trough of 1 in 2024. By volume, E.f. sits between Dong Guan Song WEI Electric Technology Co., Ltd. and Exactech, Inc..

E.f.'s three-year grant acceleration

E.F. Johnson Company shows 4 grants in 2022–2024 against only 12 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.

Dong Guan Song WE…

34
Dublin City Unive…

34
Datainfocom USA

34
Dongguan Hongyu P…

34
Everready Precisi…

34
Enduvo

34
Equity Shift

34
Exactech

34
E F Johnson ◀

34

What this shows E.F. holds 34 patents at rank #9,246, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near EF

By rank, the assignees closest to #9,246 in granted patent volume.

Leaders in H04W (Wireless Communication Networks)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for EF, neither rank-band nor same-CPC leaders (those blocks stay above). In H04W (Wireless Communication Networks), EF ranks #929 of 5,904 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (39 here).

Qingdao University 39 Prilit Optronics, Inc. 39 Crossroads Extremity Systems, LLC 39 Overstock.com, Inc. 39

E.f.'s Innovation Score vs. every tracked assignee

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

39 Top 38% higher than 62% 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 · 2015–2025

Grants by year

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

View data table

E.F. Johnson Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	8.8%
2016	2	5.9%
2017	9	26.5%
2018	3	8.8%
2019	5	14.7%
2020	7	20.6%
2022	3	8.8%
2024	1	2.9%
2025partial year	1	2.9%

Which technologies does E.F. Johnson Company patent most?

H04W - Wireless Communication Networks 16

H04B - Transmission 14

H04M - Telephonic Communication 12

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 9

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 5

G06F - Electric Digital Data Processing 5

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 5

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 5

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 5

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 5

G06T - Image Data Processing OR Generation, IN General 5

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 3

H03G - Control OF Amplification 3

Top 13 of 13 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

E.F. Johnson Company's patent record in context - here's where to go next.

E.F. Johnson Company's lead technology class is H04W (Wireless Communication Networks), 47.1% of its portfolio - see every assignee active in that class. Explore H04W
Ranked #9,246 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare E.F. Johnson Company against Dong Guan Song WEI Electric Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.5/100 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.