Where does ESI Cases & Accessories rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), ESI Cases & Accessories ranks #40,091 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 ESI Cases & Accessories hold?

ESI Cases & Accessories holds 6 US utility patents granted between 2019 and 2021, spanning 0 technology areas.

What is ESI Cases & Accessories's Innovation Score?

ESI Cases & Accessories has an Innovation Score of 7.3 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 ESI Cases & Accessories focus on?

ESI Cases & Accessories holds grants across 0 technology areas classified under the Cooperative Patent Classification system.

Is ESI Cases & Accessories's patent grant rate increasing or decreasing?

ESI Cases & Accessories's recent grant velocity is +400% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for ESI Cases & Accessories's patents?

ESI Cases & Accessories'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 ESI Cases & Accessories 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

ESI Cases & Accessories

USPTO PatentsView assignee record - 6 granted patents across 0 technology areas, recorded in grant years 2019–2021. 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, ESI ranks #40,091 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 0 technology areas.

#40,091
of 49,997 US assignees by volume: 0th percentile
by Innovation Score (7.3/100): 1.0
avg claims per patent: +400%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R40091 · US Corporation #40,091 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-UNK · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · VEL-SURGE · BOOK-RICH

GRANTS-MICRO 6 grants
LOWER-Q #40,091/49,997
PHOTO-FINISH Ergylink
CPC-UNK CPC blank
INNOV-LOW 7.3/100
CLAIMS-SPARSE 1.0 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +400% vel
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Ergylink (±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 ESI’s 7.3 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 (92%) Velocity 0.0 pts (0%) Breadth 0.0 pts (0%) Claim depth 0.6 pts (8%)

Qualcomm Incorporated · highest

85
ESI Cases &… · this assignee

7
3D Lighting… · lowest

7

What this shows ESI's Innovation Score is 7.3/100 (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 ESI?

Each dot is one of ESI’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). ESI’s own 1.0 claims/patent is at or below the 16.5 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where ESI's grants concentrate

ESI Cases & Accessories is a focused PatentsView assignee: 0 CPC subclasses . Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2019. By volume, ESI sits between Ergylink and Eteros Technologies Inc..

Ergylink

6
Ericsson Modems

6
Ericsson Televisi…

6
Escapex

6
ET Water Systems

6
ETA Green Power

6
Eternit

6
Eteros

6
ESI Cases & Acces… ◀

6

What this shows ESI holds 6 patents at rank #40,007, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near ESI

By rank, the assignees closest to #40,007 in granted patent volume.

ESI'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 · 2019–2021

Grants by year

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

View data table

ESI Cases & Accessories patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	16.7%
2020	4	66.7%
2021	1	16.7%

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

ESI Cases & Accessories's patent record in context - here's where to go next.

Ranked #40,091 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare ESI Cases & Accessories against Ergylink, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 7.3/100 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.