Where does A&D Company, Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), A&D Company, Limited ranks #6,000 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 A&D Company, Limited hold?

A&D Company, Limited holds 56 US utility patents granted between 2015 and 2025, spanning 32 technology areas.

What is A&D Company, Limited's Innovation Score?

A&D Company, Limited has an Innovation Score of 41.6 out of 100 (top 33% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does A&D Company, Limited focus on?

A&D Company, Limited's top technology area is G01G (Weighing) with 30 patents, ranking #4 of 427 assignees active in that subclass. Grants appear in 32 CPC subclasses total.

Is A&D Company, Limited's patent grant rate increasing or decreasing?

A&D Company, Limited's recent grant velocity is -39% 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 A&D Company, Limited's patents?

A&D Company, Limited's patents average 6.5 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 A&D Company, Limited 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

A&D Company, Limited

USPTO PatentsView assignee record - 56 granted patents across 32 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: G01G (Weighing).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, A&d ranks #6,000 of 49,997 tracked US assignees by granted-patent volume, with 56 patents across 32 technology areas.

#6,000
of 49,997 US assignees by volume: Top 33%
by Innovation Score (41.6/100): 6.5
avg claims per patent: -39%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6000 · Foreign Corporation #6,000 · 56 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 56 grants
UPPER-Q #6,000/49,997
PHOTO-FINISH ACM Research…
CPC-FOCUS G01G · 32 areas
INNOV-PAR 41.6/100
CLAIMS-SPARSE 6.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -39% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: ACM Research (SHANGHAI), 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 A&d’s 41.6 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 14.0 pts (34%) Velocity 3.7 pts (9%) Breadth 20.0 pts (48%) Claim depth 3.9 pts (9%)

Qualcomm Incorporated · highest

85
A&D · this assignee

42
Biogaia AB · near

42
Cambium Networks · near

42
HUBER+SUHNER · near

42
Nemaska Lithium · near

42
3D Lighting… · lowest

7

What this shows A&d's Innovation Score is 41.6/100 (top 33% 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 A&d?

Each dot is one of A&d’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). A&d’s own 6.5 claims/patent is at or below the 17.5 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where A&d's grants concentrate

A&D Company, Limited is a focused PatentsView assignee: 32 CPC subclasses with 53.6% of grants classified under G01G (Weighing). Peak complete grant year is 2019 (9 grants) versus a trough of 1 in 2023. By volume, A&d sits between Zhejiang Hisun Pharmaceutical Co., Ltd. and Allosource.

A&d's three-year grant acceleration

A&D Company, Limited shows 10 grants in 2022–2024 against only 18 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.

Zhejiang Hisun Ph…

57
Zymergen

57
elux

57
emomo Technology

57
ACM Research (Sha…

56
Areva

56
Active-semi

56
Allosource

56
A&D ◀

56

What this shows A&D holds 56 patents at rank #5,998, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near A&D

By rank, the assignees closest to #5,998 in granted patent volume.

Leaders in G01G (Weighing)

Other assignees with the most granted patents in A&D's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for A&D, neither rank-band nor same-CPC leaders (those blocks stay above). In G01G (Weighing), A&D ranks #4 of 427 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (42 here).

HUBER+SUHNER AG 42 Cambium Networks Ltd 42 Biogaia AB 42 Nemaska Lithium Inc. 42

Similar claim depth

Nearest assignees by average claims per patent (6.5 here).

Toshiba Electron Tubes & Devices Co., Ltd. 6.5 avg Aliphcom 6.5 avg Runway Blue, LLC 6.5 avg Kayaba Industry Co., Ltd. 6.5 avg

A&d's Innovation Score vs. every tracked assignee

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

42 Top 33% higher than 67% 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

A&D Company, Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	7.1%
2016	5	8.9%
2017	6	10.7%
2018	7	12.5%
2019	9	16.1%
2020	6	10.7%
2021	3	5.4%
2022	4	7.1%
2023	1	1.8%
2024	5	8.9%
2025partial year	6	10.7%

Which technologies does A&D Company, Limited patent most?

G01G - Weighing 30

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 7

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure 6

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 5

E05F - Devices FOR Moving Wings Into Open OR Closed POSITION; Checks FOR WINGS; Wing Fittings NOT Otherwise Provided FOR, Concerned With THE Functioning OF THE Wing 3

G06F - Electric Digital Data Processing 3

E05Y - Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Details, Accessories, Auxiliary Operations NOT Otherwise Provided FOR, Application Thereof 3

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 2

B60C - Vehicle TYRES; Tyre INFLATION; Tyre CHANGING; Connecting Valves TO Inflatable Elastic Bodies IN GENERAL; Devices OR Arrangements Related TO Tyres 2

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 2

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 2

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 2

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR 1

G06V - Image OR Video Recognition OR Understanding 1

Top 15 of 32 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

A&D Company, Limited's patent record in context - here's where to go next.

A&D Company, Limited's lead technology class is G01G (Weighing), 53.6% of its portfolio - see every assignee active in that class. Explore G01G
Ranked #6,000 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare A&D Company, Limited against Zhejiang Hisun Pharmaceutical Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 41.6/100 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.