Where does Yasui Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Yasui Corporation ranks #44,186 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 Yasui Corporation hold?

Yasui Corporation holds 6 US utility patents granted between 2017 and 2021, spanning 4 technology areas.

What is Yasui Corporation's Innovation Score?

Yasui Corporation has an Innovation Score of 20.5 out of 100 (7th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Yasui Corporation's patent grant rate increasing or decreasing?

Yasui Corporation's recent grant velocity is -50% 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 Yasui Corporation's patents?

Yasui Corporation's patents average 11.2 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 Yasui 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 Foreign Corporation

Yasui Corporation

Q: What technology areas does Yasui Corporation focus on?

Yasui Corporation's top technology area is B66F (Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load) with 3 patents, ranking #122 of 447 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 4 technology areas, recorded in grant years 2017–2021. 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: B66F (Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Yasui ranks #44,186 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 4 technology areas.

#44,186
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.5/100): 11.2
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44186 · Foreign Corporation #44,186 · 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 #44,186/49,997
PHOTO-FINISH Y-tec
CPC-NARROW B66F · 4 areas
INNOV-THIN 20.5/100
CLAIMS-PAR 11.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Y-tec 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 Yasui’s 20.5 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 (33%) Velocity 0.0 pts (0%) Breadth 7.1 pts (35%) Claim depth 6.7 pts (33%)

Qualcomm Incorporated · highest

85
Yasui · this assignee

20
3D Lighting… · lowest

7

What this shows Yasui's Innovation Score is 20.5/100 (7th 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 Yasui?

Each dot is one of Yasui’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). Yasui’s own 11.2 claims/patent is ABOVE the 8.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Yasui's grants concentrate

Yasui Corporation is a focused PatentsView assignee: 4 CPC subclasses with 50% of grants classified under B66F (Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load). Peak complete grant year is 2019 (2 grants) versus a trough of 1 in 2017. By volume, Yasui sits between Y-tec Corporation and Yondr, Inc..

Y-tec

6
Yamato Protec

6
Yang JI

6
Yanggu Xiangguang…

6
Yejia Optical Tec…

6
Yichang Jingwei T…

6
YM Biosciences Au…

6
Yondr

6
Yasui ◀

6

What this shows Yasui holds 6 patents at rank #44,150, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yasui

By rank, the assignees closest to #44,150 in granted patent volume.

Leaders in B66F (Hoisting)

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

Yasui's Innovation Score vs. every tracked assignee

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

20 7th percentile higher than 7% 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 · 2017–2021

Grants by year

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

View data table

Yasui Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	16.7%
2018	1	16.7%
2019	2	33.3%
2020	1	16.7%
2021	1	16.7%

Which technologies does Yasui Corporation patent most?

B66F - Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load 3

A61B - DIAGNOSIS; SURGERY; Identification 2

B60S - Servicing, Cleaning, Repairing, Supporting, Lifting, OR Manoeuvring OF Vehicles, NOT Otherwise Provided FOR 2

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 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

Yasui Corporation's patent record in context - here's where to go next.

Yasui Corporation's lead technology class is B66F (Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load), 50% of its portfolio - see every assignee active in that class. Explore B66F
Ranked #44,186 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yasui Corporation against Y-tec Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.5/100 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.