Where does World Wide Stationery Mfg. Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), World Wide Stationery Mfg. Co., Ltd. ranks #16,518 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 World Wide Stationery Mfg. Co., Ltd. hold?

World Wide Stationery Mfg. Co., Ltd. holds 18 US utility patents granted between 2015 and 2020, spanning 3 technology areas.

What is World Wide Stationery Mfg. Co., Ltd.'s Innovation Score?

World Wide Stationery Mfg. Co., Ltd. has an Innovation Score of 25.7 out of 100 (18th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is World Wide Stationery Mfg. Co., Ltd.'s patent grant rate increasing or decreasing?

World Wide Stationery Mfg. Co., Ltd.'s recent grant velocity is -87% 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 World Wide Stationery Mfg. Co., Ltd.'s patents?

World Wide Stationery Mfg. Co., Ltd.'s patents average 15.7 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 World Wide Stationery Mfg. Co., Ltd. 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

World Wide Stationery Mfg. Co., Ltd.

Q: What technology areas does World Wide Stationery Mfg. Co., Ltd. focus on?

World Wide Stationery Mfg. Co., Ltd.'s top technology area is B42F (Sheets Temporarily Attached TOGETHER; Filing APPLIANCES; File CARDS; Indexing) with 16 patents. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 18 granted patents across 3 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: B42F (Sheets Temporarily Attached TOGETHER; Filing APPLIANCES; File CARDS; Indexing).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, World ranks #16,518 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 3 technology areas.

#16,518
of 49,997 US assignees by volume: 18th percentile
by Innovation Score (25.7/100): 15.7
avg claims per patent: -87%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16518 · Foreign Corporation #16,518 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 18 grants
MID-PACK #16,518/49,997
PHOTO-FINISH Weir Slurry Group
CPC-NARROW B42F · 3 areas
INNOV-THIN 25.7/100
CLAIMS-RICH 15.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -87% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Weir Slurry Group, Inc. (±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.

Qualcomm Incorporated · highest

85
Amsa · near

26
Moteck Electric · near

26
Airwair International · near

26
B &W Custom Truck Beds · near

26
World Wide Stationer… · this assignee

26
3D Lighting… · lowest

7

What this shows World's Innovation Score is 25.7/100 (18th 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.

Where World's grants concentrate

World Wide Stationery Mfg. Co., Ltd. is a focused PatentsView assignee: 3 CPC subclasses with 88.9% of grants classified under B42F (Sheets Temporarily Attached TOGETHER; Filing APPLIANCES; File CARDS; Indexing). Peak complete grant year is 2017 (5 grants) versus a trough of 2 in 2018. By volume, World sits between Weir Slurry Group, Inc. and Yandex Self Driving Group LLC.

Weir Slurry Group

18
Wenzhou Mtlc Elec…

18
Winegard

18
Woodside Energy P…

18
X-spine Systems

18
Xiamen Changelight

18
Xylon

18
Yandex Self Drivi…

18
World Wide Statio… ◀

18

What this shows World holds 18 patents at rank #16,516, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near World

By rank, the assignees closest to #16,516 in granted patent volume.

Leaders in B42F (Sheets Temporarily Attached Together)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for World, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (26 here).

B &W Custom Truck Beds, Inc. 26 Airwair International Limited 26 Amsa, Inc. 26 Moteck Electric Corp. 26

World's Innovation Score vs. every tracked assignee

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

26 18th percentile higher than 18% 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

World Wide Stationery Mfg. Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	22.2%
2016	3	16.7%
2017	5	27.8%
2018	2	11.1%
2019	2	11.1%
2020	2	11.1%

Which technologies does World Wide Stationery Mfg. Co., Ltd. patent most?

B42F - Sheets Temporarily Attached TOGETHER; Filing APPLIANCES; File CARDS; Indexing 16

B42P - Indexing Scheme Relating TO Books, Filing Appliances OR THE Like 2

B42D - BOOKS; Book COVERS; Loose LEAVES; Printed Matter Characterised BY Identification OR Security FEATURES; Printed Matter OF Special Format OR Style NOT Otherwise Provided FOR; Devices FOR USE Therewith AND NOT Otherwise Provided FOR; Movable-strip Writing OR Reading Apparatus 1

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#16,518

of 49,997 tracked assignees

Innovation Score

25.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

World Wide Stationery Mfg. Co., Ltd.'s patent record in context - here's where to go next.

World Wide Stationery Mfg. Co., Ltd.'s lead technology class is B42F (Sheets Temporarily Attached TOGETHER; Filing APPLIANCES; File CARDS; Indexing), 88.9% of its portfolio - see every assignee active in that class. Explore B42F
Ranked #16,518 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare World Wide Stationery Mfg. Co., Ltd. against Weir Slurry Group, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.7/100 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.