Where does Ligchine International Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ligchine International Corporation ranks #21,385 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Ligchine International Corporation hold?

Ligchine International Corporation holds 13 US utility patents granted between 2016 and 2025, spanning 7 technology areas.

What is Ligchine International Corporation's Innovation Score?

Ligchine International Corporation has an Innovation Score of 44.2 out of 100 (top 26% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ligchine International Corporation's patent grant rate increasing or decreasing?

Ligchine International Corporation's recent grant velocity is +50% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Ligchine International Corporation's patents?

Ligchine International Corporation's patents average 15.2 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 Ligchine International Corporation 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 US Corporation

Ligchine International Corporation

Q: What technology areas does Ligchine International Corporation focus on?

Ligchine International Corporation's top technology area is E01C (CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR) with 12 patents. Grants appear in 7 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 7 technology areas, recorded in grant years 2016–2025. 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: E01C (CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ligchine ranks #21,385 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 7 technology areas.

#21,385
of 50,000 US assignees by volume: Top 26%
by Innovation Score (44.2/100): 15.2
avg claims per patent: +50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21385 · US Corporation #21,385 · 13 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 13 grants
MID-PACK #21,385/50,000
PHOTO-FINISH Lead Discovery Center
CPC-NARROW E01C · 7 areas
INNOV-PAR 44.2/100
CLAIMS-RICH 15.2 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Lead Discovery Center 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.

Qualcomm Incorporated · highest

85
Ligchine International · this assignee

44
3D Lighting Innovati… · lowest

7

What this shows Ligchine's Innovation Score is 44.2/100 (top 26% 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 Ligchine's grants concentrate

Ligchine International Corporation is a focused PatentsView assignee: 7 CPC subclasses with 92.3% of grants classified under E01C (CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR). Peak complete grant year is 2024 (3 grants) versus a trough of 1 in 2016. By volume, Ligchine sits between Lead Discovery Center Gmbh and Limoss (dongguan) Co., Ltd..

Lead Discovery Ce…

13
Life Detection

13
Life Edit Therape…

13
Lift-u Division o…

13
Lightbend

13
Lightelligence PTE

13
Lightspace SIA

13
Limoss (Dongguan)

13
Ligchine Internat… ◀

13

What this shows Ligchine holds 13 patents at rank #21,392, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ligchine

By rank, the assignees closest to #21,392 in granted patent volume.

Leaders in E01C (Construction OF)

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

Ligchine's Innovation Score vs. every tracked assignee

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

44 Top 26% higher than 74% of 50,000 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Ligchine International Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	7.7%
2017	1	7.7%
2018	1	7.7%
2019	1	7.7%
2021	1	7.7%
2023	2	15.4%
2024	3	23.1%
2025partial year	3	23.1%

Which technologies does Ligchine International Corporation patent most?

E01C - CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 12

E04F - FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 7

E04G - SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS 6

B62D - MOTOR VEHICLES; TRAILERS 2

B60S - SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR 2

B65G - TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS 1

B60P - VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 1

Top 7 of 7 technology areas

Where it ranks

Overall rank by patents

#21,385

of 50,000 tracked assignees

Innovation Score

44.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.