Where does Nihon Dempa Kogyo Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nihon Dempa Kogyo Co., Ltd. ranks #2,577 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 Nihon Dempa Kogyo Co., Ltd. hold?

Nihon Dempa Kogyo Co., Ltd. holds 151 US utility patents granted between 2015 and 2025, spanning 39 technology areas.

What is Nihon Dempa Kogyo Co., Ltd.'s Innovation Score?

Nihon Dempa Kogyo Co., Ltd. has an Innovation Score of 45.5 out of 100 (top 23% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Nihon Dempa Kogyo Co., Ltd.'s patent grant rate increasing or decreasing?

Nihon Dempa Kogyo Co., Ltd.'s recent grant velocity is -66% 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 Nihon Dempa Kogyo Co., Ltd.'s patents?

Nihon Dempa Kogyo Co., Ltd.'s patents average 7.9 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 Nihon Dempa Kogyo 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

Nihon Dempa Kogyo Co., Ltd.

Q: What technology areas does Nihon Dempa Kogyo Co., Ltd. focus on?

Nihon Dempa Kogyo Co., Ltd.'s top technology area is H03H (Impedance Networks, e.g. Resonant CIRCUITS; Resonators) with 78 patents. Grants appear in 39 CPC subclasses total.

USPTO PatentsView assignee record - 151 granted patents across 39 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: H03H (Impedance Networks, e.g. Resonant CIRCUITS; Resonators).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nihon ranks #2,577 of 49,997 tracked US assignees by granted-patent volume, with 151 patents across 39 technology areas.

#2,577
of 49,997 US assignees by volume: Top 23%
by Innovation Score (45.5/100): 7.9
avg claims per patent: -66%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2577 · Foreign Corporation #2,577 · 151 grants

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

GRANTS-MID 151 grants
TOP-DECILE #2,577/49,997
PHOTO-FINISH Advanced Neuromodula…
CPC-FOCUS H03H · 39 areas
INNOV-PAR 45.5/100
CLAIMS-SPARSE 7.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -66% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Advanced Neuromodulation Systems, 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.

Qualcomm Incorporated · highest

85
Citizen · near

45
Danfoss Power… · near

45
Kofax · near

45
Nihon Dempa Kogyo · this assignee

45
Unisys · near

45
3D Lighting… · lowest

7

What this shows Nihon's Innovation Score is 45.5/100 (top 23% 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.

Where Nihon's grants concentrate

Nihon Dempa Kogyo Co., Ltd. is a focused PatentsView assignee: 39 CPC subclasses with 51.7% of grants classified under H03H (Impedance Networks, e.g. Resonant CIRCUITS; Resonators). Peak complete grant year is 2015 (48 grants) versus a trough of 2 in 2023. By volume, Nihon sits between Advanced Neuromodulation Systems, Inc. and Soraa Laser Diode, Inc..

Nihon's three-year grant acceleration

From 2019–2021 to 2022–2024, Nihon Dempa Kogyo Co., Ltd. moved from 57 to 11 grants (0.19x 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 #3,102. See the growth leaderboard.

Advanced Neuromod…

151
Building Material…

151
LSI

151
Lotte Advanced Ma…

151
Pusan National Un…

151
Postech Research…

151
Sodick

151
Soraa Laser Diode

151
Nihon Dempa Kogyo ◀

151

What this shows Nihon holds 151 patents at rank #2,577, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nihon

By rank, the assignees closest to #2,577 in granted patent volume.

Leaders in H03H (Impedance Networks)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (45 here).

Unisys Corporation 45 Citizen Electronics Co., Ltd. 45 Kofax, Inc. 45 Danfoss Power Solutions GMBH & Co. OHG 45

Similar claim depth

Nearest assignees by average claims per patent (7.9 here).

Kabushiki Kaisha Pilot Corporation 7.9 avg Midmark Corporation 7.9 avg Amada Co., Ltd. 7.9 avg Saginomiya Seisakusho, Inc. 7.9 avg

Nihon's Innovation Score vs. every tracked assignee

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

45 Top 23% higher than 77% 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

Nihon Dempa Kogyo Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	48	31.8%
2016	17	11.3%
2017	7	4.6%
2018	9	6.0%
2019	30	19.9%
2020	21	13.9%
2021	6	4.0%
2022	6	4.0%
2023	2	1.3%
2024	3	2.0%
2025partial year	2	1.3%

Which technologies does Nihon Dempa Kogyo Co., Ltd. patent most?

H03H - Impedance Networks, e.g. Resonant CIRCUITS; Resonators 78

H03B - Generation OF Oscillations, Directly OR BY Frequency-changing, BY Circuits Employing Active Elements Which Operate IN A Non-switching MANNER; Generation OF Noise BY Such Circuits 44

H03L - Automatic Control, Starting, Synchronisation OR Stabilisation OF Generators OF Electronic Oscillations OR Pulses 40

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR 20

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 17

H01L - Semiconductor Devices NOT Covered BY Class H10 14

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 6

A61B - DIAGNOSIS; SURGERY; Identification 6

Y10T - Technical Subjects Covered BY Former US Classification 3

H03K - Pulse Technique 3

H01J - Electric Discharge Tubes OR Discharge Lamps 3

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 3

G06F - Electric Digital Data Processing 3

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 3

G01T - Measurement OF Nuclear OR X-radiation 2

Top 15 of 39 technology areas

Where it ranks

Overall rank by patents

#2,577

of 49,997 tracked assignees

Innovation Score

45.5 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

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

Nihon Dempa Kogyo Co., Ltd.'s lead technology class is H03H (Impedance Networks, e.g. Resonant CIRCUITS; Resonators), 51.7% of its portfolio - see every assignee active in that class. Explore H03H
Ranked #2,577 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nihon Dempa Kogyo Co., Ltd. against Advanced Neuromodulation Systems, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.5/100 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.