Where does Tohoku Pioneer Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tohoku Pioneer Corporation ranks #3,719 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 Tohoku Pioneer Corporation hold?

Tohoku Pioneer Corporation holds 98 US utility patents granted between 2015 and 2025, spanning 33 technology areas.

What is Tohoku Pioneer Corporation's Innovation Score?

Tohoku Pioneer Corporation has an Innovation Score of 46.0 out of 100 (top 22% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Tohoku Pioneer Corporation's patent grant rate increasing or decreasing?

Tohoku Pioneer Corporation's recent grant velocity is -51% 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 Tohoku Pioneer Corporation's patents?

Tohoku Pioneer Corporation's patents average 10.9 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 Tohoku Pioneer Corporation 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

Tohoku Pioneer Corporation

Q: What technology areas does Tohoku Pioneer Corporation focus on?

Tohoku Pioneer Corporation's top technology area is H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems) with 45 patents, ranking #74 of 1,513 assignees active in that subclass. Grants appear in 33 CPC subclasses total.

USPTO PatentsView assignee record - 98 granted patents across 33 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: H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Tohoku ranks #3,719 of 49,997 tracked US assignees by granted-patent volume, with 98 patents across 33 technology areas.

#3,719
of 49,997 US assignees by volume: Top 22%
by Innovation Score (46.0/100): 10.9
avg claims per patent: -51%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3719 · Foreign Corporation #3,719 · 98 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 98 grants
TOP-DECILE #3,719/49,997
PHOTO-FINISH Samumed
CPC-FOCUS H04R · 33 areas
INNOV-PAR 46.0/100
CLAIMS-PAR 10.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -51% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Samumed, LLC (±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 Tohoku’s 46.0 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 15.9 pts (35%) Velocity 3.2 pts (7%) Breadth 20.3 pts (44%) Claim depth 6.5 pts (14%)

Qualcomm Incorporated · highest

85
AutoConnect Holdings · near

46
B-K Medical APS · near

46
Freni Brembo S P A · near

46
Lund Motion Products · near

46
Tohoku Pioneer · this assignee

46
3D Lighting… · lowest

7

What this shows Tohoku's Innovation Score is 46.0/100 (top 22% 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 Tohoku?

Each dot is one of Tohoku’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). Tohoku’s own 10.9 claims/patent is at or below the 15.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Tohoku's grants concentrate

Tohoku Pioneer Corporation is a focused PatentsView assignee: 33 CPC subclasses with 45.9% of grants classified under H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems). Peak complete grant year is 2019 (23 grants) versus a trough of 4 in 2022. By volume, Tohoku sits between Smule, Inc. and Arizona Board of Regents on Behalf of Northern Arizona University.

Tohoku's three-year grant acceleration

From 2019–2021 to 2022–2024, Tohoku Pioneer Corporation moved from 37 to 18 grants (0.49x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Smule

98
Samumed

98
Sinfonia Technolo…

98
Strong Force TX P…

98
Valmet AB

98
West Affum Holdin…

98
Tohoku Pioneer ◀

98
Aetna

97
Arizona Board of…

97

What this shows Tohoku holds 98 patents at rank #3,719, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tohoku

By rank, the assignees closest to #3,719 in granted patent volume.

Leaders in H04R (Loudspeakers)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Tohoku, neither rank-band nor same-CPC leaders (those blocks stay above). In H04R (Loudspeakers), Tohoku ranks #74 of 1,513 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (46 here).

B-K Medical APS 46 Lund Motion Products, Inc. 46 Freni Brembo S.P.A. 46 AutoConnect Holdings LLC 46

Similar claim depth

Nearest assignees by average claims per patent (10.9 here).

THE Gleason Works 10.9 avg Euroimmun Medizinische Labordiagnostika AG 10.9 avg NR Electric Co., Ltd. 10.9 avg Korea Atomic Energy Research Institute 10.9 avg

Tohoku's Innovation Score vs. every tracked assignee

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

46 Top 22% higher than 78% 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

Tohoku Pioneer Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	6.1%
2016	11	11.2%
2017	12	12.2%
2018	13	13.3%
2019	23	23.5%
2020	7	7.1%
2021	7	7.1%
2022	4	4.1%
2023	5	5.1%
2024	9	9.2%
2025partial year	1	1.0%

Which technologies does Tohoku Pioneer Corporation patent most?

H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems 45

H10K - Organic Electric Solid-state Devices 39

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 25

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 15

G06F - Electric Digital Data Processing 10

B60Q - Arrangement OF Signalling OR Lighting Devices, THE Mounting OR Supporting Thereof OR Circuits Therefor, FOR Vehicles IN General 10

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 10

G10K - Sound-producing DEVICES; Methods OR Devices FOR Protecting Against, OR FOR Damping, Noise OR Other Acoustic Waves IN GENERAL; Acoustics NOT Otherwise Provided FOR 6

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 5

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 4

G09F - DISPLAYING; ADVERTISING; SIGNS; Labels OR NAME-PLATES; Seals 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 3

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 3

C07D - Heterocyclic Compounds 3

A47G - Household OR Table Equipment 2

Top 15 of 33 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

Tohoku Pioneer Corporation's patent record in context - here's where to go next.

Tohoku Pioneer Corporation's lead technology class is H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems), 45.9% of its portfolio - see every assignee active in that class. Explore H04R
Ranked #3,719 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tohoku Pioneer Corporation against Smule, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 46.0/100 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.