Where does Primax Electronics Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Primax Electronics Ltd. ranks #846 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 Primax Electronics Ltd. hold?

Primax Electronics Ltd. holds 539 US utility patents granted between 2015 and 2025, spanning 110 technology areas.

What is Primax Electronics Ltd.'s Innovation Score?

Primax Electronics Ltd. has an Innovation Score of 58.2 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Primax Electronics Ltd. focus on?

Primax Electronics Ltd.'s top technology area is G06F (Electric Digital Data Processing) with 236 patents. Grants appear in 110 CPC subclasses total.

Is Primax Electronics Ltd.'s patent grant rate increasing or decreasing?

Primax Electronics Ltd.'s recent grant velocity is -4% 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 Primax Electronics Ltd.'s patents?

Primax Electronics Ltd.'s patents average 11.7 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 Primax Electronics 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

Primax Electronics Ltd.

USPTO PatentsView assignee record - 539 granted patents across 110 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: G06F (Electric Digital Data Processing).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Primax ranks #846 of 49,997 tracked US assignees by granted-patent volume, with 539 patents across 110 technology areas.

#846
of 49,997 US assignees by volume: Top 5%
by Innovation Score (58.2/100): 11.7
avg claims per patent: -4%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R846 · Foreign Corporation #846 · 539 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL

GRANTS-MID 539 grants
TOP-DECILE #846/49,997
PHOTO-FINISH Citic Dicastal
CPC-WIDE G06F · 110 areas
INNOV-PAR 58.2/100
CLAIMS-PAR 11.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT -4% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Citic Dicastal Co., Ltd. (±1 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
Beijing Zhigu RUI… · near

58
DOW Agrosciences · near

58
Primax · this assignee

58
Technische Universit… · near

58
Sensor Technology · near

58
3D Lighting… · lowest

7

What this shows Primax's Innovation Score is 58.2/100 (top 5% 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.

How Primax's grant cadence moved

Between 2020–2024, Primax Electronics Ltd. received 250 grants versus 261 in 2015–2019 (-4% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2019 at 80 grants and bottomed in 2024 at 34. Lead class G06F accounts for 43.8% of the portfolio across 110 subclasses. Volume neighbours: Autoliv Development AB (#842) and STMicroelectronics (Grenoble 2) SAS (#850).

Primax's three-year grant acceleration

From 2019–2021 to 2022–2024, Primax Electronics Ltd. moved from 198 to 132 grants (0.67x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #2,264. See the growth leaderboard.

Autoliv Developme…

542
Funai Electric

541
Siemens Healthcar…

541
Keysight

540
Primax ◀

539
Citic Dicastal

538
Paccar

538
Siemens Gamesa Re…

538
Stmicroelectronic…

537

What this shows Primax holds 539 patents at rank #846, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Primax

By rank, the assignees closest to #846 in granted patent volume.

Leaders in G06F (Electric Digital Data Processing)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Primax, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (58 here).

DOW Agrosciences LLC 58 Beijing Zhigu RUI TUO Tech Co., Ltd. 58 Technische Universitaet Dresden 58 Sensor Electronic Technology, Inc. 58

Similar claim depth

Nearest assignees by average claims per patent (11.7 here).

Streamlight, Inc. 11.7 avg Master Lock Company LLC 11.7 avg Dow Technology Investments LLC 11.7 avg Volvo Construction Equipment AB 11.7 avg

Primax's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% 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

Primax Electronics Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	39	7.2%
2016	39	7.2%
2017	41	7.6%
2018	62	11.5%
2019	80	14.8%
2020	60	11.1%
2021	58	10.8%
2022	43	8.0%
2023	55	10.2%
2024	34	6.3%
2025partial year	28	5.2%

Which technologies does Primax Electronics Ltd. patent most?

G06F - Electric Digital Data Processing 236

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 218

G02B - Optical Elements, Systems OR Apparatus 42

G06V - Image OR Video Recognition OR Understanding 33

H04N - Pictorial Communication, e.g. Television 31

H03K - Pulse Technique 27

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 24

H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems 15

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 15

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 15

A63F - Card, Board, OR Roulette GAMES; Indoor Games Using Small Moving Playing BODIES; Video GAMES; Games NOT Otherwise Provided FOR 13

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 13

G03B - Apparatus OR Arrangements FOR Taking Photographs OR FOR Projecting OR Viewing THEM; Apparatus OR Arrangements Employing Analogous Techniques Using Waves Other Than Optical WAVES; Accessories Therefor 13

H01L - Semiconductor Devices NOT Covered BY Class H10 13

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 10

Top 15 of 110 technology areas

Where it ranks

Overall rank by patents

#846

of 49,997 tracked assignees

Innovation Score

58.2 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

Primax Electronics Ltd.'s patent record in context - here's where to go next.

Primax Electronics Ltd.'s lead technology class is G06F (Electric Digital Data Processing), 43.8% of its portfolio - see every assignee active in that class. Explore G06F
Ranked #846 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Primax Electronics Ltd. against Autoliv Development AB, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.2/100 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.