Where does Kolen Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kolen Co., Ltd. ranks #14,725 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 Kolen Co., Ltd. hold?

Kolen Co., Ltd. holds 20 US utility patents granted between 2015 and 2018, spanning 4 technology areas.

What is Kolen Co., Ltd.'s Innovation Score?

Kolen Co., Ltd. has an Innovation Score of 26.5 out of 100 (20th 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 Kolen Co., Ltd. focus on?

Kolen Co., Ltd.'s top technology area is G02B (Optical Elements, Systems OR Apparatus) with 20 patents, ranking #664 of 4,891 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Kolen Co., Ltd.'s patent grant rate increasing or decreasing?

Kolen Co., Ltd.'s recent grant velocity is -100% 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 Kolen Co., Ltd.'s patents?

Kolen Co., Ltd.'s patents average 14.9 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 Kolen 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

Kolen Co., Ltd.

USPTO PatentsView assignee record - 20 granted patents across 4 technology areas, recorded in grant years 2015–2018. 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, Kolen ranks #14,725 of 49,997 tracked US assignees by granted-patent volume, with 20 patents across 4 technology areas.

#14,725
of 49,997 US assignees by volume: 20th percentile
by Innovation Score (26.5/100): 14.9
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14725 · Foreign Corporation #14,725 · 20 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 20 grants
MID-PACK #14,725/49,997
PHOTO-FINISH KHD Humboldt Wedag
CPC-NARROW G02B · 4 areas
INNOV-THIN 26.5/100
CLAIMS-RICH 14.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: KHD Humboldt Wedag GmbH (±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 Kolen’s 26.5 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 10.5 pts (40%) Velocity 0.0 pts (0%) Breadth 7.1 pts (27%) Claim depth 8.9 pts (34%)

Qualcomm Incorporated · highest

85
Kolen · this assignee

27
3D Lighting… · lowest

7

What this shows Kolen's Innovation Score is 26.5/100 (20th 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 Kolen?

Each dot is one of Kolen’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). Kolen’s own 14.9 claims/patent is ABOVE the 8.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Kolen's grants concentrate

Kolen Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under G02B (Optical Elements, Systems OR Apparatus). Peak complete grant year is 2015 (6 grants) versus a trough of 2 in 2018. By volume, Kolen sits between KHD Humboldt Wedag GmbH and Koppers Performance Chemicals, Inc..

KHD Humboldt Wedag

20
King Rack Industr…

20
Kitz SCT

20
KLX Energy Servic…

20
Kollmorgen

20
Komatsu NTC

20
Konica Minolta Ad…

20
Koppers Performan…

20
Kolen ◀

20

What this shows Kolen holds 20 patents at rank #14,717, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kolen

By rank, the assignees closest to #14,717 in granted patent volume.

Leaders in G02B (Optical Elements)

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

Kolen's Innovation Score vs. every tracked assignee

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

27 20th percentile higher than 20% 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 · 2015–2018

Grants by year

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

View data table

Kolen Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	30.0%
2016	6	30.0%
2017	6	30.0%
2018	2	10.0%

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

G02B - Optical Elements, Systems OR Apparatus 20

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 1

H04N - Pictorial Communication, e.g. Television 1

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 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

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

Kolen Co., Ltd.'s lead technology class is G02B (Optical Elements, Systems OR Apparatus), 100% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #14,725 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kolen Co., Ltd. against KHD Humboldt Wedag GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.5/100 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.