Where does Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province ranks #44,195 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 Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province hold?

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province holds 6 US utility patents granted between 2017 and 2020, spanning 4 technology areas.

What is Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's Innovation Score?

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province has an Innovation Score of 20.9 out of 100 (8th 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 Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province focus on?

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's top technology area is B01D (Separation) with 6 patents, ranking #781 of 3,536 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's patent grant rate increasing or decreasing?

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's recent grant velocity is -80% 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 Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's patents?

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's patents average 11.8 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province

Q: How is the Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province 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 PatentsView assignee record - 6 granted patents across 4 technology areas, recorded in grant years 2017–2020. 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Yongfeng ranks #44,195 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 4 technology areas.

#44,195
of 49,997 US assignees by volume: 8th percentile
by Innovation Score (20.9/100): 11.8
avg claims per patent: -80%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44195 · Foreign Corporation #44,195 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #44,195/49,997
PHOTO-FINISH Yejia Optical…
CPC-NARROW B01D · 4 areas
INNOV-THIN 20.9/100
CLAIMS-PAR 11.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -80% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Yejia Optical Technology (GUANGDONG) Corporation (±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 Yongfeng’s 20.9 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 6.7 pts (32%) Velocity 0.0 pts (0%) Breadth 7.1 pts (34%) Claim depth 7.1 pts (34%)

Qualcomm Incorporated · highest

85
Yongfeng Boyuan… · this assignee

21
3D Lighting… · lowest

7

What this shows Yongfeng's Innovation Score is 20.9/100 (8th 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 Yongfeng?

Each dot is one of Yongfeng’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). Yongfeng’s own 11.8 claims/patent is ABOVE the 6.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Yongfeng's grants concentrate

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under B01D (Separation). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2019. By volume, Yongfeng sits between Yejia Optical Technology (GUANGDONG) Corporation and Yscope Inc..

Yejia Optical Tec…

6
Yichang Jingwei T…

6
YM Biosciences Au…

6
Yondr

6
Yongkang Ailant I…

6
Yongkang Weide In…

6
Yoshiritsu

6
Yscope

6
Yongfeng Boyuan I… ◀

6

What this shows Yongfeng holds 6 patents at rank #44,155, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yongfeng

By rank, the assignees closest to #44,155 in granted patent volume.

Leaders in B01D (Separation)

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

Yongfeng's Innovation Score vs. every tracked assignee

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

21 8th percentile higher than 8% 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 · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	2	33.3%
2018	2	33.3%
2019	1	16.7%
2020	1	16.7%

Which technologies does Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province patent most?

B01D - Separation 6

Y02A - Technologies FOR Adaptation TO Climate Change 5

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 1

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 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

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's patent record in context - here's where to go next.

Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province's lead technology class is B01D (Separation), 100% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #44,195 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province against Yejia Optical Technology (GUANGDONG) Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.9/100 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.