Where does Photonstar LED Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Photonstar LED Limited ranks #49,594 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 Photonstar LED Limited hold?

Photonstar LED Limited holds 5 US utility patents granted between 2015 and 2017, spanning 6 technology areas.

What is Photonstar LED Limited's Innovation Score?

Photonstar LED Limited has an Innovation Score of 26.1 out of 100 (19th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Photonstar LED Limited's patent grant rate increasing or decreasing?

Photonstar LED Limited'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 Photonstar LED Limited's patents?

Photonstar LED Limited's patents average 18.8 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 Photonstar LED Limited 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

Photonstar LED Limited

Q: What technology areas does Photonstar LED Limited focus on?

Photonstar LED Limited's top technology area is H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers) with 5 patents. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2015–2017. 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: H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Photonstar ranks #49,594 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#49,594
of 49,997 US assignees by volume: 19th percentile
by Innovation Score (26.1/100): 18.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49594 · Foreign Corporation #49,594 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,594/49,997
PHOTO-FINISH Philtech
CPC-NARROW H10H · 6 areas
INNOV-THIN 26.1/100
CLAIMS-RICH 18.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Philtech Inc. (±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.

Qualcomm Incorporated · highest

85
Photonstar LED · this assignee

26
3D Lighting… · lowest

7

What this shows Photonstar's Innovation Score is 26.1/100 (19th 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.

Where Photonstar's grants concentrate

Photonstar LED Limited is a focused PatentsView assignee: 6 CPC subclasses with 100% of grants classified under H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers). Peak complete grant year is 2015 (4 grants) versus a trough of 1 in 2017. By volume, Photonstar sits between Philtech Inc. and PIC Therapeutics, Inc..

Philtech

5
Phoenix II A/S

5
Phosphorex

5
Phostek

5
Photospectra Heal…

5
Phynexus

5
Physician Network…

5
PIC Therapeutics

5
Photonstar LED ◀

5

What this shows Photonstar holds 5 patents at rank #49,511, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Photonstar

By rank, the assignees closest to #49,511 in granted patent volume.

Leaders in H10H (Inorganic Light-emitting Semiconductor Devices Having Pot…)

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

Photonstar's Innovation Score vs. every tracked assignee

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

26 19th percentile higher than 19% 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 · 2015–2017

Grants by year

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

View data table

Photonstar LED Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	80.0%
2017	1	20.0%

Which technologies does Photonstar LED Limited patent most?

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 5

H01L - Semiconductor Devices NOT Covered BY Class H10 4

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 3

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 2

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 1

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#49,594

of 49,997 tracked assignees

Innovation Score

26.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Photonstar LED Limited's patent record in context - here's where to go next.

Photonstar LED Limited's lead technology class is H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers), 100% of its portfolio - see every assignee active in that class. Explore H10H
Ranked #49,594 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Photonstar LED Limited against Philtech Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.1/100 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.