Where does Tsubota Laboratory, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tsubota Laboratory, Inc. ranks #27,700 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 Tsubota Laboratory, Inc. hold?

Tsubota Laboratory, Inc. holds 10 US utility patents granted between 2018 and 2025, spanning 20 technology areas.

What is Tsubota Laboratory, Inc.'s Innovation Score?

Tsubota Laboratory, Inc. has an Innovation Score of 34.0 out of 100 (46th 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 Tsubota Laboratory, Inc. focus on?

Tsubota Laboratory, Inc.'s top technology area is A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy) with 5 patents, ranking #681 of 1,943 assignees active in that subclass. Grants appear in 20 CPC subclasses total.

Is Tsubota Laboratory, Inc.'s patent grant rate increasing or decreasing?

Tsubota Laboratory, Inc.'s recent grant velocity is +700% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Tsubota Laboratory, Inc.'s patents?

Tsubota Laboratory, Inc.'s patents average 9.8 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 Tsubota Laboratory, Inc. 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

Tsubota Laboratory, Inc.

USPTO PatentsView assignee record - 10 granted patents across 20 technology areas, recorded in grant years 2018–2025. 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: A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Tsubota ranks #27,700 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 20 technology areas.

#27,700
of 49,997 US assignees by volume: 46th percentile
by Innovation Score (34.0/100): 9.8
avg claims per patent: +700%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R27700 · Foreign Corporation #27,700 · 10 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 10 grants
MID-PACK #27,700/49,997
PHOTO-FINISH Tresu A/S
CPC-FOCUS A61N · 20 areas
INNOV-THIN 34.0/100
CLAIMS-PAR 9.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +700% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Tresu A/S (±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 Tsubota’s 34.0 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 8.3 pts (24%) Velocity 4.0 pts (12%) Breadth 15.8 pts (46%) Claim depth 5.9 pts (17%)

Qualcomm Incorporated · highest

85
Tsubota Laboratory · this assignee

34
3D Lighting… · lowest

7

What this shows Tsubota's Innovation Score is 34.0/100 (46th 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 Tsubota?

Each dot is one of Tsubota’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). Tsubota’s own 9.8 claims/patent is at or below the 11.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Tsubota's grants concentrate

Tsubota Laboratory, Inc. is a focused PatentsView assignee: 20 CPC subclasses with 50% of grants classified under A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2018. By volume, Tsubota sits between Tresu A/S and Turing Video.

Tsubota's three-year grant acceleration

Tsubota Laboratory, Inc. shows 3 grants in 2022–2024 against only 5 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.

Tresu A/S

10
Trianni

10
Trojan Group ULC

10
Tso3

10
Tucc Technology

10
Tuft & Needle

10
Tunghsu Technolog…

10
Turing Video

10
Tsubota Laboratory ◀

10

What this shows Tsubota holds 10 patents at rank #27,609, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tsubota

By rank, the assignees closest to #27,609 in granted patent volume.

Leaders in A61N (Electrotherapy)

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

Tsubota's Innovation Score vs. every tracked assignee

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

34 46th percentile higher than 46% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Tsubota Laboratory, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	10.0%
2020	4	40.0%
2021	1	10.0%
2022	1	10.0%
2023	1	10.0%
2024	1	10.0%
2025partial year	1	10.0%

Which technologies does Tsubota Laboratory, Inc. patent most?

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 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

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 4

G02B - Optical Elements, Systems OR Apparatus 3

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 3

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 3

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 2

H01L - Semiconductor Devices NOT Covered BY Class H10 2

C03C - Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials 1

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 1

G06F - Electric Digital Data Processing 1

G09F - DISPLAYING; ADVERTISING; SIGNS; Labels OR NAME-PLATES; Seals 1

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 1

H04M - Telephonic Communication 1

Top 15 of 20 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

Tsubota Laboratory, Inc.'s patent record in context - here's where to go next.

Tsubota Laboratory, Inc.'s lead technology class is A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy), 50% of its portfolio - see every assignee active in that class. Explore A61N
Ranked #27,700 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tsubota Laboratory, Inc. against Tresu A/S, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.0/100 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.