PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

THK Co., Ltd.

USPTO PatentsView assignee record - 231 granted patents across 84 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS).

Explore the portfolio See the ranking
231
Total patents granted
84
CPC technology areas
7.2
Avg claims per patent
+6%
5-year filing velocity

The verdict

THK holds 231 US patents across 84 technology areas, rank #1,764 of 50,000 tracked assignees.

#1,764
of 50,000 US assignees by volume
Top 10%
by Innovation Score (52.5/100)
7.2
avg claims per patent
+6%
filing velocity, last 5 yrs

Portfolio overview

THK Co., Ltd. has been granted 231 US utility patents between 2015 and 2025, placing THK Co., Ltd. at rank #1,764 across all assignees tracked by PlainPatent. This portfolio spans 84 distinct Cooperative Patent Classification (CPC) subclasses, averaging 7.2 claims per patent with primary concentration in F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS). As a Foreign Corporation, THK Co., Ltd. is one of the broader-portfolio assignees in the PatentsView dataset. By volume, THK sits between KPN Innovations Llc (231 patents, rank #1,760) and Hefei BOE Joint Technology Co., Ltd. (230 patents, rank #1,768) - the closest US assignees by grant volume. The composite Innovation Score of 52.5/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 119 grants, compared with 112 in the 2015–2019 window, a +6% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. THK Co., Ltd.'s 7.2 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 84 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark THK Co., Ltd. against peers pursuing similar technology classes.

Who files at THK's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows THK holds 231 patents at rank #1,764, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near THK

By rank, the assignees closest to #1,764 in granted patent volume.

Leaders in F16C (Shafts)

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

THK's Innovation Score vs. every tracked assignee

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

53 Top 10% higher than 90% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). Below this entry. 50–60: 5,058 US assignees (10%). This entry sits in this band. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

010203040 20152016201720182019202020212022202320242025 6
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
THK Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 7 3.0%
2016 27 11.7%
2017 24 10.4%
2018 24 10.4%
2019 30 13.0%
2020 28 12.1%
2021 28 12.1%
2022 22 9.5%
2023 13 5.6%
2024 22 9.5%
2025 6 2.6%

Which technologies does THK Co., Ltd. patent most?

Top 15 of 84 technology areas

Patent Moat Analysis

Portfolio Volume Moderate
Tech Breadth Multi-domain
Claim Depth Simple
Velocity Growing

Where it ranks

Overall rank by patents

#1,764

Across all tracked assignees

Innovation Score

52.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does THK Co., Ltd. hold?
THK Co., Ltd. holds 231 US granted patents filed between 2015 and 2025, spanning 84 technology areas.
What is THK Co., Ltd.'s Innovation Score?
THK Co., Ltd. has an Innovation Score of 52.5 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does THK Co., Ltd. focus on?
THK Co., Ltd.'s top technology area is F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS) with 102 patents. The company has filed patents in 84 CPC subclasses total.
Is THK Co., Ltd.'s patent filing rate increasing or decreasing?
THK Co., Ltd.'s recent filing velocity is +6% compared to the prior five-year period. The company is maintaining or growing its patent output.
What does claim depth mean for THK Co., Ltd.'s patents?
THK Co., Ltd.'s patents average 7.2 claims each. This is relatively simple claim structure, typical for focused inventions.
How is the THK 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.

How to use this portfolio

THK's 231 grants land it in the top 10% by Innovation Score, but volume alone doesn't tell you where the strength sits.

  • Read that count against the largest US assignees before treating it as dominance - THK ranks #1,764 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in F16C - see who else leads that technology area. F16C leaders
  • Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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

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.