Where does Leto R&D Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Leto R&D Corporation ranks #36,231 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 Leto R&D Corporation hold?

Leto R&D Corporation holds 7 US utility patents granted between 2015 and 2020, spanning 1 technology areas.

What is Leto R&D Corporation's Innovation Score?

Leto R&D Corporation has an Innovation Score of 17.8 out of 100 (5th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Leto R&D Corporation's patent grant rate increasing or decreasing?

Leto R&D Corporation's recent grant velocity is +33% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Leto R&D Corporation's patents?

Leto R&D Corporation's patents average 11.9 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 Leto R&D 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

Leto R&D Corporation

Q: What technology areas does Leto R&D Corporation focus on?

Leto R&D Corporation's top technology area is G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise Provided FOR) with 4 patents, ranking #29 of 62 assignees active in that subclass. Grants appear in 1 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 1 technology areas, recorded in grant years 2015–2020. 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: G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Leto ranks #36,231 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 1 technology areas.

#36,231
of 49,997 US assignees by volume: 5th percentile
by Innovation Score (17.8/100): 11.9
avg claims per patent: +33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R36231 · US Corporation #36,231 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #36,231/49,997
PHOTO-FINISH Lerman Container
CPC-NARROW G10D · 1 areas
INNOV-LOW 17.8/100
CLAIMS-PAR 11.9 claims/avg
TYPE-USCORP US Corporation
VEL-UP +33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Lerman Container 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 Leto’s 17.8 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 7.2 pts (40%) Velocity 0.0 pts (0%) Breadth 3.5 pts (20%) Claim depth 7.1 pts (40%)

Qualcomm Incorporated · highest

85
Natuzzi S p A · near

18
Gibson Innovations… · near

18
Leto R&D · this assignee

18
Trombley Industries · near

18
Guangzhou Yihua… · near

18
3D Lighting… · lowest

7

What this shows Leto's Innovation Score is 17.8/100 (5th 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 Leto?

Each dot is one of Leto’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). Leto’s own 11.9 claims/patent is ABOVE the 11.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Leto's grants concentrate

Leto R&D Corporation is a focused PatentsView assignee: 1 CPC subclasses with 57.1% of grants classified under G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2015. By volume, Leto sits between Lerman Container Corporation and Leviant, Inc..

Lerman Container

7
Les Robinets Pres…

7
Lesorocity (Shenz…

7
Letica

7
Levee Lock

7
Level One Enginee…

7
Level Terrain

7
Leviant

7
Leto R&D ◀

7

What this shows Leto holds 7 patents at rank #36,255, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Leto

By rank, the assignees closest to #36,255 in granted patent volume.

Leaders in G10D (Stringed Musical Instruments)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Leto, neither rank-band nor same-CPC leaders (those blocks stay above). In G10D (Stringed Musical Instruments), Leto ranks #29 of 62 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (18 here).

Trombley Industries, LLC 18 Guangzhou Yihua Electronic Equipment Co., Ltd. 18 Gibson Innovations Belgium N.V. 18 Natuzzi S.p.A. 18

Leto's Innovation Score vs. every tracked assignee

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

18 5th percentile higher than 5% 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 · 2015–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Leto R&D Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2017	1	14.3%
2018	1	14.3%
2020	4	57.1%

Which technologies does Leto R&D Corporation patent most?

G10D - Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise Provided FOR 4

Top 1 of 1 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

Leto R&D Corporation's patent record in context - here's where to go next.

Leto R&D Corporation's lead technology class is G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P), 57.1% of its portfolio - see every assignee active in that class. Explore G10D
Ranked #36,231 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Leto R&D Corporation against Lerman Container Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 17.8/100 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.