Where does Charles Viancin Group rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Charles Viancin Group ranks #45,605 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 Charles Viancin Group hold?

Charles Viancin Group holds 5 US utility patents granted between 2016 and 2017, spanning 0 technology areas.

What is Charles Viancin Group's Innovation Score?

Charles Viancin Group has an Innovation Score of 6.8 out of 100 (0th 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 Charles Viancin Group focus on?

Charles Viancin Group holds grants across 0 technology areas classified under the Cooperative Patent Classification system.

Is Charles Viancin Group's patent grant rate increasing or decreasing?

Charles Viancin Group'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 Charles Viancin Group's patents?

Charles Viancin Group's patents average 1.0 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 Charles Viancin Group 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

Charles Viancin Group

USPTO PatentsView assignee record - 5 granted patents across 0 technology areas, recorded in grant years 2016–2017. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength.

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Charles ranks #45,605 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 0 technology areas.

#45,605
of 49,997 US assignees by volume: 0th percentile
by Innovation Score (6.8/100): 1.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45605 · Foreign Corporation #45,605 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-UNK · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-RICH

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,605/49,997
PHOTO-FINISH Changzhou Kaisen…
CPC-UNK CPC blank
INNOV-LOW 6.8/100
CLAIMS-SPARSE 1.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Changzhou Kaisen Photoelectricity Co., Ltd. (±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 Charles’s 6.8 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 6.2 pts (91%) Velocity 0.0 pts (0%) Breadth 0.0 pts (0%) Claim depth 0.6 pts (9%)

Qualcomm Incorporated · highest

85
3D Lighting… · lowest

7
Charles Viancin Group · this assignee

7

What this shows Charles's Innovation Score is 6.8/100 (0th 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 Charles?

Each dot is one of Charles’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). Charles’s own 1.0 claims/patent is at or below the 9.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Charles's grants concentrate

Charles Viancin Group is a focused PatentsView assignee: 0 CPC subclasses . Peak complete grant year is 2017 (3 grants) versus a trough of 2 in 2016. By volume, Charles sits between Changzhou Kaisen Photoelectricity Co., Ltd. and Chekt LLC.

Changzhou Kaisen…

5
Chaperone Therape…

5
Charabot

5
Charles Austen Pu…

5
Checkmate

5
Checkmate Pharmac…

5
Checkpoint

5
Chekt

5
Charles Viancin G… ◀

5

What this shows Charles holds 5 patents at rank #45,509, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Charles

By rank, the assignees closest to #45,509 in granted patent volume.

Charles's Innovation Score vs. every tracked assignee

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

7 0th percentile higher than 0% 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 · 2016–2017

Grants by year

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

View data table

Charles Viancin Group patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	40.0%
2017	3	60.0%

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

Charles Viancin Group's patent record in context - here's where to go next.

Ranked #45,605 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Charles Viancin Group against Changzhou Kaisen Photoelectricity Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 6.8/100 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.