Where does Aiphone Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Aiphone Co., Ltd. ranks #7,514 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 Aiphone Co., Ltd. hold?

Aiphone Co., Ltd. holds 43 US utility patents granted between 2015 and 2025, spanning 16 technology areas.

What is Aiphone Co., Ltd.'s Innovation Score?

Aiphone Co., Ltd. has an Innovation Score of 31.9 out of 100 (39th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Aiphone Co., Ltd. focus on?

Aiphone Co., Ltd.'s top technology area is H04M (Telephonic Communication) with 24 patents, ranking #202 of 2,488 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

Is Aiphone Co., Ltd.'s patent grant rate increasing or decreasing?

Aiphone Co., Ltd.'s recent grant velocity is -30% 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 Aiphone Co., Ltd.'s patents?

Aiphone Co., Ltd.'s patents average 4.5 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 Aiphone Co., 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

Aiphone Co., Ltd.

USPTO PatentsView assignee record - 43 granted patents across 16 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: H04M (Telephonic Communication).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Aiphone ranks #7,514 of 49,997 tracked US assignees by granted-patent volume, with 43 patents across 16 technology areas.

#7,514
of 49,997 US assignees by volume: 39th percentile
by Innovation Score (31.9/100): 4.5
avg claims per patent: -30%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R7514 · Foreign Corporation #7,514 · 43 grants

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

GRANTS-SMALL 43 grants
UPPER-Q #7,514/49,997
PHOTO-FINISH 1more
CPC-FOCUS H04M · 16 areas
INNOV-THIN 31.9/100
CLAIMS-SPARSE 4.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -30% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: 1more 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 Aiphone’s 31.9 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 13.1 pts (41%) Velocity 2.0 pts (6%) Breadth 14.1 pts (44%) Claim depth 2.7 pts (8%)

Qualcomm Incorporated · highest

85
Aiphone · this assignee

32
CARS COM · near

32
Clover MFG · near

32
Doppler Labs · near

32
Kane Biotech · near

32
3D Lighting… · lowest

7

What this shows Aiphone's Innovation Score is 31.9/100 (39th 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.

Does more volume mean deeper claims for Aiphone?

Each dot is one of Aiphone’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). Aiphone’s own 4.5 claims/patent is at or below the 10.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Aiphone's grants concentrate

Aiphone Co., Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 55.8% of grants classified under H04M (Telephonic Communication). Peak complete grant year is 2019 (10 grants) versus a trough of 1 in 2023. By volume, Aiphone sits between Yangtze University and Asahi Seiko Co., Ltd..

Aiphone's three-year grant acceleration

From 2019–2021 to 2022–2024, Aiphone Co., Ltd. moved from 20 to 6 grants (0.30x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Yangtze University

44
Zhejiang Super Li…

44
1more

43
Affera

43
Aira

43
Apaq Technology

43
Array

43
Asahi Seiko

43
Aiphone ◀

43

What this shows Aiphone holds 43 patents at rank #7,513, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Aiphone

By rank, the assignees closest to #7,513 in granted patent volume.

Leaders in H04M (Telephonic Communication)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Aiphone, neither rank-band nor same-CPC leaders (those blocks stay above). In H04M (Telephonic Communication), Aiphone ranks #202 of 2,488 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (32 here).

Clover MFG. Co., Ltd. 32 Doppler Labs, Inc. 32 Kane Biotech Inc. 32 CARS.COM, LLC 32

Aiphone's Innovation Score vs. every tracked assignee

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

32 39th percentile higher than 39% 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

Aiphone Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	7.0%
2016	7	16.3%
2018	3	7.0%
2019	10	23.3%
2020	8	18.6%
2021	2	4.7%
2022	2	4.7%
2023	1	2.3%
2024	3	7.0%
2025partial year	4	9.3%

Which technologies does Aiphone Co., Ltd. patent most?

H04M - Telephonic Communication 24

H04N - Pictorial Communication, e.g. Television 6

H04W - Wireless Communication Networks 4

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 4

G06F - Electric Digital Data Processing 4

G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data 3

H04Q - Selecting 3

A61G - Transport, Personal Conveyances, OR Accommodation Specially Adapted FOR Patients OR Disabled Persons ; Operating Tables OR CHAIRS; Chairs FOR DENTISTRY; Funeral Devices 3

G07C - Time OR Attendance REGISTERS; Registering OR Indicating THE Working OF MACHINES; Generating Random NUMBERS; Voting OR Lottery APPARATUS; Arrangements, Systems OR Apparatus FOR Checking NOT Provided FOR Elsewhere 2

H03M - CODING; DECODING; Code Conversion IN General 2

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 1

G06V - Image OR Video Recognition OR Understanding 1

A61B - DIAGNOSIS; SURGERY; Identification 1

G10L - Speech Analysis Techniques OR Speech SYNTHESIS; Speech RECOGNITION; Speech OR Voice Processing TECHNIQUES; Speech OR Audio Coding OR Decoding 1

G01W - Meteorology 1

Top 15 of 16 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

Aiphone Co., Ltd.'s patent record in context - here's where to go next.

Aiphone Co., Ltd.'s lead technology class is H04M (Telephonic Communication), 55.8% of its portfolio - see every assignee active in that class. Explore H04M
Ranked #7,514 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Aiphone Co., Ltd. against Yangtze University, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.9/100 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.