Where does Ushio Denki Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ushio Denki Kabushiki Kaisha ranks #1,556 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 Ushio Denki Kabushiki Kaisha hold?

Ushio Denki Kabushiki Kaisha holds 267 US utility patents granted between 2015 and 2025, spanning 96 technology areas.

What is Ushio Denki Kabushiki Kaisha's Innovation Score?

Ushio Denki Kabushiki Kaisha has an Innovation Score of 58.4 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Ushio Denki Kabushiki Kaisha focus on?

Ushio Denki Kabushiki Kaisha's top technology area is H01J (Electric Discharge Tubes OR Discharge Lamps) with 66 patents, ranking #43 of 1,076 assignees active in that subclass. Grants appear in 96 CPC subclasses total.

Is Ushio Denki Kabushiki Kaisha's patent grant rate increasing or decreasing?

Ushio Denki Kabushiki Kaisha's recent grant velocity is -15% 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 Ushio Denki Kabushiki Kaisha's patents?

Ushio Denki Kabushiki Kaisha's patents average 11.1 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 Ushio Denki Kabushiki Kaisha 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

Ushio Denki Kabushiki Kaisha

USPTO PatentsView assignee record - 267 granted patents across 96 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: H01J (Electric Discharge Tubes OR Discharge Lamps).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ushio ranks #1,556 of 49,997 tracked US assignees by granted-patent volume, with 267 patents across 96 technology areas.

#1,556
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.4/100): 11.1
avg claims per patent: -15%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1556 · Foreign Corporation #1,556 · 267 grants

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

GRANTS-MID 267 grants
TOP-DECILE #1,556/49,997
PHOTO-FINISH Fujikin Incorporated
CPC-WIDE H01J · 96 areas
INNOV-PAR 58.4/100
CLAIMS-PAR 11.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -15% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Fujikin Incorporated (±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 Ushio’s 58.4 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 19.3 pts (33%) Velocity 7.4 pts (13%) Breadth 25.0 pts (43%) Claim depth 6.7 pts (11%)

Qualcomm Incorporated · highest

85
Framatome · near

58
Moog · near

58
Nikkiso · near

58
Sicpa Holding · near

58
Ushio Denki · this assignee

58
3D Lighting… · lowest

7

What this shows Ushio's Innovation Score is 58.4/100 (top 4% 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 Ushio?

Each dot is one of Ushio’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). Ushio’s own 11.1 claims/patent is ABOVE the 10.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Ushio's grant cadence moved

Between 2020–2024, Ushio Denki Kabushiki Kaisha received 112 grants versus 132 in 2015–2019 (-15% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2016 at 34 grants and bottomed in 2021 at 17. Lead class H01J accounts for 24.7% of the portfolio across 96 subclasses. Volume neighbours: Fujikin Incorporated (#1,552) and Sumitomo Electric Device Innovations, Inc. (#1,560).

Ushio's three-year grant acceleration

From 2019–2021 to 2022–2024, Ushio Denki Kabushiki Kaisha moved from 63 to 70 grants (1.11x 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 #937. See the growth leaderboard.

Fujikin Incorpora…

267
Fujitsu TEN

267
Ignis Innovation

267
S-printing Soluti…

267
Ushio Denki ◀

267
Biotronik SE & KG

266
Eisai R&D Managem…

266
Kyungpook Nationa…

266
Sumitomo Electric…

266

What this shows Ushio holds 267 patents at rank #1,556, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ushio

By rank, the assignees closest to #1,556 in granted patent volume.

Leaders in H01J (Electric Discharge Tubes OR Discharge Lamps)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Ushio, neither rank-band nor same-CPC leaders (those blocks stay above). In H01J (Electric Discharge Tubes OR Discharge Lamps), Ushio ranks #43 of 1,076 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (58 here).

Nikkiso Co., Ltd. 58 Sicpa Holding SA 58 Moog Inc. 58 Framatome 58

Similar claim depth

Nearest assignees by average claims per patent (11.1 here).

Yahoo Japan Corporation 11.1 avg Lotte Chemical Corporation 11.1 avg Anheuser-busch Inbev S.A. 11.1 avg Apex Brands, Inc. 11.2 avg

Ushio's Innovation Score vs. every tracked assignee

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

58 Top 4% higher than 96% 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

Ushio Denki Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	22	8.2%
2016	34	12.7%
2017	32	12.0%
2018	23	8.6%
2019	21	7.9%
2020	25	9.4%
2021	17	6.4%
2022	29	10.9%
2023	22	8.2%
2024	19	7.1%
2025partial year	23	8.6%

Which technologies does Ushio Denki Kabushiki Kaisha patent most?

H01J - Electric Discharge Tubes OR Discharge Lamps 66

G02B - Optical Elements, Systems OR Apparatus 45

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 36

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges Other Than Optical 34

H05G - X-ray Technique 31

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; 31

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 30

H01L - Semiconductor Devices NOT Covered BY Class H10 29

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 29

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 26

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 24

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 23

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 20

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 20

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 16

Top 15 of 96 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

Ushio Denki Kabushiki Kaisha's patent record in context - here's where to go next.

Ushio Denki Kabushiki Kaisha's lead technology class is H01J (Electric Discharge Tubes OR Discharge Lamps), 24.7% of its portfolio - see every assignee active in that class. Explore H01J
Ranked #1,556 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ushio Denki Kabushiki Kaisha against Fujikin Incorporated, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.4/100 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.