Where does TOK, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), TOK, Inc. ranks #21,917 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 TOK, Inc. hold?

TOK, Inc. holds 13 US utility patents granted between 2019 and 2025, spanning 10 technology areas.

What is TOK, Inc.'s Innovation Score?

TOK, Inc. has an Innovation Score of 27.9 out of 100 (25th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

TOK, Inc.'s recent grant velocity is +1000% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

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

TOK, Inc.'s patents average 4.8 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 TOK, 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

TOK, Inc.

Q: What technology areas does TOK, Inc. focus on?

TOK, Inc.'s top technology area is E05Y (Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Details, Accessories, Auxiliary Operations NOT Otherwise Provided FOR, Application Thereof) with 5 patents, ranking #179 of 729 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 10 technology areas, recorded in grant years 2019–2025. 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: E05Y (Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Detail).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, TOK ranks #21,917 of 49,997 tracked US assignees by granted-patent volume, with 13 patents across 10 technology areas.

#21,917
of 49,997 US assignees by volume: 25th percentile
by Innovation Score (27.9/100): 4.8
avg claims per patent: +1000%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21917 · Foreign Corporation #21,917 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,917/49,997
PHOTO-FINISH Tiger
CPC-FOCUS E05Y · 10 areas
INNOV-THIN 27.9/100
CLAIMS-SPARSE 4.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1000% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Tiger Corporation (±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 TOK’s 27.9 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 9.1 pts (33%) Velocity 4.8 pts (17%) Breadth 11.2 pts (40%) Claim depth 2.9 pts (10%)

Qualcomm Incorporated · highest

85
TOK · this assignee

28
3D Lighting… · lowest

7

What this shows TOK's Innovation Score is 27.9/100 (25th 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 TOK?

Each dot is one of TOK’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). TOK’s own 4.8 claims/patent is at or below the 7.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where TOK's grants concentrate

TOK, Inc. is a focused PatentsView assignee: 10 CPC subclasses with 38.5% of grants classified under E05Y (Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Detail). Peak complete grant year is 2021 (6 grants) versus a trough of 1 in 2019. By volume, TOK sits between Tiger Corporation and Toyo System Co., Ltd..

TOK's three-year grant acceleration

TOK, Inc. shows 5 grants in 2022–2024 against only 7 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.

Tiger

13
TJ(fujian) Indust…

13
TOA

13
Tobacco Research…

13
Tomita Pharmaceut…

13
Topura

13
Total Raffinage F…

13
Toyo System

13
TOK ◀

13

What this shows TOK holds 13 patents at rank #21,890, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near TOK

By rank, the assignees closest to #21,890 in granted patent volume.

Leaders in E05Y (Indexing Scheme Associated With Subclasses E05d AND E05f)

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

TOK's Innovation Score vs. every tracked assignee

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

28 25th percentile higher than 25% 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 · 2019–2025

Grants by year

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

View data table

TOK, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	7.7%
2021	6	46.2%
2022	4	30.8%
2024	1	7.7%
2025partial year	1	7.7%

Which technologies does TOK, Inc. patent most?

E05Y - Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Details, Accessories, Auxiliary Operations NOT Otherwise Provided FOR, Application Thereof 5

E06B - Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates 5

E05F - Devices FOR Moving Wings Into Open OR Closed POSITION; Checks FOR WINGS; Wing Fittings NOT Otherwise Provided FOR, Concerned With THE Functioning OF THE Wing 4

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 3

E05D - Hinges OR Suspension Devices FOR Doors, Windows OR Wings 3

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 2

B60G - Vehicle Suspension Arrangements 1

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 1

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 1

Top 10 of 10 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

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

TOK, Inc.'s lead technology class is E05Y (Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Detail), 38.5% of its portfolio - see every assignee active in that class. Explore E05Y
Ranked #21,917 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare TOK, Inc. against Tiger Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.9/100 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.