Where does Xi'an Eswin Material Technology Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Xi'an Eswin Material Technology Co., Ltd. ranks #23,700 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 Xi'an Eswin Material Technology Co., Ltd. hold?

Xi'an Eswin Material Technology Co., Ltd. holds 12 US utility patents granted between 2023 and 2025, spanning 13 technology areas.

What is Xi'an Eswin Material Technology Co., Ltd.'s Innovation Score?

Xi'an Eswin Material Technology Co., Ltd. has an Innovation Score of 47.0 out of 100 (top 20% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Xi'an Eswin Material Technology Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Xi'an Eswin Material Technology Co., Ltd..

What does claim depth mean for Xi'an Eswin Material Technology Co., Ltd.'s patents?

Xi'an Eswin Material Technology Co., Ltd.'s patents average 8.9 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 Xi'an Eswin Material Technology 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

Xi'an Eswin Material Technology Co., Ltd.

Q: What technology areas does Xi'an Eswin Material Technology Co., Ltd. focus on?

Xi'an Eswin Material Technology Co., Ltd.'s top technology area is C30B (SINGLE-CRYSTAL GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL ; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WI) with 9 patents. Grants appear in 13 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 13 technology areas, recorded in grant years 2023–2025. 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: C30B (SINGLE-CRYSTAL GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL ; PRODUCTION OF A HOMOGENEOUS POLYCRYS).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Xi'an ranks #23,700 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 13 technology areas.

#23,700
of 50,000 US assignees by volume: Top 20%
by Innovation Score (47.0/100): 8.9
avg claims per patent

USPTO PatentsView assignee plate

Corpus R23700 · Foreign Corporation #23,700 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 12 grants
MID-PACK #23,700/50,000
PHOTO-FINISH Wyndscent
CPC-FOCUS C30B · 13 areas
INNOV-PAR 47.0/100
CLAIMS-PAR 8.9 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2023–2025 · 3y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Wyndscent, Llc (±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
Xi'an Eswin Material… · this assignee

47
3D Lighting Innovati… · lowest

7

What this shows Xi'an's Innovation Score is 47.0/100 (top 20% 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 Xi'an's grants concentrate

Xi'an Eswin Material Technology Co., Ltd. is a focused PatentsView assignee: 13 CPC subclasses with 75% of grants classified under C30B (SINGLE-CRYSTAL GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL ; PRODUCTION OF A HOMOGENEOUS POLYCRYS). Peak complete grant year is 2024 (4 grants) versus a trough of 2 in 2023. By volume, Xi'an sits between Wyndscent, Llc and Xiamen Xinghengxing Import & Export Co., Ltd..

Wyndscent

12
X-nav

12
Xcira

12
Xenogenic Develop…

12
Xiamen Sanan Inte…

12
Xiamen SET

12
Xiamen Tungsten

12
Xiamen Xinghengxi…

12
Xi'an Eswin Mater… ◀

12

What this shows Xi'an holds 12 patents at rank #23,682, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Xi'an

By rank, the assignees closest to #23,682 in granted patent volume.

Leaders in C30B (Single-crystal Growth)

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

Xi'an's Innovation Score vs. every tracked assignee

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

47 Top 20% higher than 80% 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 · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

Xi'an Eswin Material Technology Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	2	16.7%
2024	4	33.3%
2025partial year	6	50.0%

Which technologies does Xi'an Eswin Material Technology Co., Ltd. patent most?

C30B - SINGLE-CRYSTAL GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL ; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WI 9

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 2

B24B - MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS 2

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 2

F26B - DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 1

G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME 1

B29L - INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES 1

B29C - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1

B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS 1

B24D - TOOLS FOR GRINDING, BUFFING OR SHARPENING 1

B28D - WORKING STONE OR STONE-LIKE MATERIALS 1

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 1

G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 1

Top 13 of 13 technology areas

Where it ranks

Overall rank by patents

#23,700

of 50,000 tracked assignees

Innovation Score

47.0 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.