Where does Kyowa Metal Works Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kyowa Metal Works Co., Ltd. ranks #48,262 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 Kyowa Metal Works Co., Ltd. hold?

Kyowa Metal Works Co., Ltd. holds 5 US utility patents granted between 2015 and 2020, spanning 4 technology areas.

What is Kyowa Metal Works Co., Ltd.'s Innovation Score?

Kyowa Metal Works Co., Ltd. has an Innovation Score of 22.1 out of 100 (10th 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 Kyowa Metal Works Co., Ltd. focus on?

Kyowa Metal Works Co., Ltd.'s top technology area is F16H (Gearing) with 4 patents, ranking #481 of 1,603 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Kyowa Metal Works Co., Ltd.'s patent grant rate increasing or decreasing?

Kyowa Metal Works Co., Ltd.'s recent grant velocity is -33% 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 Kyowa Metal Works Co., Ltd.'s patents?

Kyowa Metal Works Co., Ltd.'s patents average 14.8 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 Kyowa Metal Works 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Kyowa Metal Works Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 4 technology areas, recorded in grant years 2015–2020. 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: F16H (Gearing).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kyowa ranks #48,262 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 4 technology areas.

#48,262
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.1/100): 14.8
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48262 · Foreign Corporation #48,262 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,262/49,997
PHOTO-FINISH Kabushikikaisha…
CPC-NARROW F16H · 4 areas
INNOV-THIN 22.1/100
CLAIMS-RICH 14.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kabushikikaisha Matsui Seisakusho (±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 Kyowa’s 22.1 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 6.2 pts (28%) Velocity 0.0 pts (0%) Breadth 7.1 pts (32%) Claim depth 8.9 pts (40%)

Qualcomm Incorporated · highest

85
Kyowa Metal Works · this assignee

22
3D Lighting… · lowest

7

What this shows Kyowa's Innovation Score is 22.1/100 (10th 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 Kyowa?

Each dot is one of Kyowa’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). Kyowa’s own 14.8 claims/patent is ABOVE the 10.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Kyowa's grants concentrate

Kyowa Metal Works Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 80% of grants classified under F16H (Gearing). Peak complete grant year is 2020 (2 grants) versus a trough of 1 in 2015. By volume, Kyowa sits between Kyma Medical Technologies Ltd. and Kaercher Futuretech GmbH.

Kyma Medical

5
Kyocera Tikitin Oy

5
Kyoto Tool

5
Kyowa Industrial

5
Kyushu University…

5
Kabushikikaisha M…

5
Kae Sheng Industr…

5
Kaercher Futurete…

5
Kyowa Metal Works ◀

5

What this shows Kyowa holds 5 patents at rank #48,170, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kyowa

By rank, the assignees closest to #48,170 in granted patent volume.

Leaders in F16H (Gearing)

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

Kyowa's Innovation Score vs. every tracked assignee

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

22 10th percentile higher than 10% 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 · 2015–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Kyowa Metal Works Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	20.0%
2016	1	20.0%
2017	1	20.0%
2020	2	40.0%

Which technologies does Kyowa Metal Works Co., Ltd. patent most?

F16H - Gearing 4

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 4

Y10T - Technical Subjects Covered BY Former US Classification 3

B60W - Conjoint Control OF Vehicle Sub-units OF Different Type OR Different FUNCTION; Control Systems Specially Adapted FOR Hybrid VEHICLES; Road Vehicle Drive Control Systems FOR Purposes NOT Related TO THE Control OF A Particular Sub-unit 1

Top 4 of 4 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

Kyowa Metal Works Co., Ltd.'s patent record in context - here's where to go next.

Kyowa Metal Works Co., Ltd.'s lead technology class is F16H (Gearing), 80% of its portfolio - see every assignee active in that class. Explore F16H
Ranked #48,262 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kyowa Metal Works Co., Ltd. against Kyma Medical Technologies Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.1/100 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.