Where does TDK Taiwan Corp. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), TDK Taiwan Corp. ranks #766 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 TDK Taiwan Corp. hold?

TDK Taiwan Corp. holds 598 US utility patents granted between 2015 and 2025, spanning 36 technology areas.

What is TDK Taiwan Corp.'s Innovation Score?

TDK Taiwan Corp. has an Innovation Score of 62.6 out of 100 (top 2% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does TDK Taiwan Corp. focus on?

TDK Taiwan Corp.'s top technology area is G02B (Optical Elements, Systems OR Apparatus) with 526 patents, ranking #28 of 4,891 assignees active in that subclass. Grants appear in 36 CPC subclasses total.

Is TDK Taiwan Corp.'s patent grant rate increasing or decreasing?

TDK Taiwan Corp.'s recent grant velocity is +300% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for TDK Taiwan Corp.'s patents?

TDK Taiwan Corp.'s patents average 16.4 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 TDK Taiwan Corp. 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

TDK Taiwan Corp.

USPTO PatentsView assignee record - 598 granted patents across 36 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: G02B (Optical Elements, Systems OR Apparatus).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, TDK ranks #766 of 49,997 tracked US assignees by granted-patent volume, with 598 patents across 36 technology areas.

#766
of 49,997 US assignees by volume: Top 2%
by Innovation Score (62.6/100): 16.4
avg claims per patent: +300%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R766 · Foreign Corporation #766 · 598 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 598 grants
TOP-DECILE #766/49,997
PHOTO-FINISH Bio-Rad Laboratories
CPC-FOCUS G02B · 36 areas
INNOV-STRONG 62.6/100
CLAIMS-RICH 16.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +300% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Bio-Rad Laboratories, Inc. (±1 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 TDK’s 62.6 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 22.1 pts (35%) Velocity 9.5 pts (15%) Breadth 21.2 pts (34%) Claim depth 9.9 pts (16%)

Qualcomm Incorporated · highest

85
Atlassian US · near

63
Dai Nippon Printing · near

63
Qilu University of… · near

63
TDK Taiwan · this assignee

63
Merck Sharp & Dohme · near

63
3D Lighting… · lowest

7

What this shows TDK's Innovation Score is 62.6/100 (top 2% 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 TDK?

Each dot is one of TDK’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). TDK’s own 16.4 claims/patent is ABOVE the 15.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where TDK's grants concentrate

TDK Taiwan Corp. is a focused PatentsView assignee: 36 CPC subclasses with 88% of grants classified under G02B (Optical Elements, Systems OR Apparatus). Peak complete grant year is 2023 (104 grants) versus a trough of 5 in 2015. By volume, TDK sits between MaxLinear, Inc. and Hunter Fan Company.

TDK's three-year grant acceleration

From 2019–2021 to 2022–2024, TDK Taiwan Corp. moved from 194 to 276 grants (1.42x 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 #502. See the growth leaderboard.

Maxlinear

602
Ethicon Endo-surg…

601
Sunpower

601
Vitesco

601
TDK Taiwan ◀

598
Bio-rad Laborator…

597
Donaldson

597
Panasonic Liquid…

597
Hunter Fan

594

What this shows TDK holds 598 patents at rank #766, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near TDK

By rank, the assignees closest to #766 in granted patent volume.

Leaders in G02B (Optical Elements)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for TDK, neither rank-band nor same-CPC leaders (those blocks stay above). In G02B (Optical Elements), TDK ranks #28 of 4,891 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (63 here).

Dai Nippon Printing Co., Ltd. 63 Atlassian US, Inc. 63 Qilu University of Technology 63 Merck Sharp & Dohme LLC 63

Similar claim depth

Nearest assignees by average claims per patent (16.4 here).

Kitty Hawk Corporation 16.4 avg Alphatec Spine, Inc. 16.4 avg Ubiquiti Inc. 16.4 avg Parallels IP Holdings GmbH 16.4 avg

TDK's Innovation Score vs. every tracked assignee

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

63 Top 2% higher than 98% 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

TDK Taiwan Corp. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	5	0.8%
2016	15	2.5%
2017	11	1.8%
2018	24	4.0%
2019	50	8.4%
2020	74	12.4%
2021	70	11.7%
2022	91	15.2%
2023	104	17.4%
2024	81	13.5%
2025partial year	73	12.2%

Which technologies does TDK Taiwan Corp. patent most?

G02B - Optical Elements, Systems OR Apparatus 526

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 375

H04N - Pictorial Communication, e.g. Television 310

H02K - Dynamo-electric Machines 241

G06F - Electric Digital Data Processing 54

F03G - Spring, Weight, Inertia OR Like MOTORS; Mechanical-power Producing Devices OR Mechanisms, NOT Otherwise Provided FOR OR Using Energy Sources NOT Otherwise Provided FOR 38

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 37

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 30

G06T - Image Data Processing OR Generation, IN General 30

H02N - Electric Machines NOT Otherwise Provided FOR 27

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 22

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 21

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR 19

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 18

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 18

Top 15 of 36 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

TDK Taiwan Corp.'s patent record in context - here's where to go next.

TDK Taiwan Corp.'s lead technology class is G02B (Optical Elements, Systems OR Apparatus), 88% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #766 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare TDK Taiwan Corp. against MaxLinear, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 62.6/100 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.