Where does Pentel Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Pentel Kabushiki Kaisha ranks #12,616 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 Pentel Kabushiki Kaisha hold?

Pentel Kabushiki Kaisha holds 24 US utility patents granted between 2015 and 2024, spanning 6 technology areas.

What is Pentel Kabushiki Kaisha's Innovation Score?

Pentel Kabushiki Kaisha has an Innovation Score of 29.1 out of 100 (29th 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 Pentel Kabushiki Kaisha focus on?

Pentel Kabushiki Kaisha's top technology area is B43K (Implements FOR Writing OR Drawing) with 4 patents, ranking #22 of 82 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is Pentel Kabushiki Kaisha's patent grant rate increasing or decreasing?

Pentel Kabushiki Kaisha's recent grant velocity is +18% 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 Pentel Kabushiki Kaisha's patents?

Pentel Kabushiki Kaisha's patents average 3.0 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 Pentel Kabushiki Kaisha 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

Pentel Kabushiki Kaisha

USPTO PatentsView assignee record - 24 granted patents across 6 technology areas, recorded in grant years 2015–2024. 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: B43K (Implements FOR Writing OR Drawing).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Pentel ranks #12,616 of 49,997 tracked US assignees by granted-patent volume, with 24 patents across 6 technology areas.

#12,616
of 49,997 US assignees by volume: 29th percentile
by Innovation Score (29.1/100): 3.0
avg claims per patent: +18%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12616 · Foreign Corporation #12,616 · 24 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 24 grants
MID-PACK #12,616/49,997
PHOTO-FINISH Paradigm Spine
CPC-NARROW B43K · 6 areas
INNOV-THIN 29.1/100
CLAIMS-SPARSE 3.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +18% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Paradigm Spine, LLC (±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 Pentel’s 29.1 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 11.1 pts (38%) Velocity 7.5 pts (26%) Breadth 8.7 pts (30%) Claim depth 1.8 pts (6%)

Qualcomm Incorporated · highest

85
Pentel · this assignee

29
PTM Packaging Tools… · near

29
Alastin Skincare · near

29
QBO Coffee · near

29
Timescale · near

29
3D Lighting… · lowest

7

What this shows Pentel's Innovation Score is 29.1/100 (29th 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 Pentel?

Each dot is one of Pentel’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). Pentel’s own 3.0 claims/patent is at or below the 17.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Pentel's grants concentrate

Pentel Kabushiki Kaisha is a focused PatentsView assignee: 6 CPC subclasses with 16.7% of grants classified under B43K (Implements FOR Writing OR Drawing). Peak complete grant year is 2019 (4 grants) versus a trough of 1 in 2018. By volume, Pentel sits between Paradigm Spine, LLC and PowerVision, Inc..

Pentel's three-year grant acceleration

Pentel Kabushiki Kaisha shows 9 grants in 2022–2024 against only 8 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Paradigm Spine

24
Particles Plus

24
Pegasystems

24
Penn Engineering…

24
Perceptive Automa…

24
Pison Technology

24
Pointr

24
Powervision

24
Pentel ◀

24

What this shows Pentel holds 24 patents at rank #12,627, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Pentel

By rank, the assignees closest to #12,627 in granted patent volume.

Leaders in B43K (Implements FOR Writing OR Drawing)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Pentel, neither rank-band nor same-CPC leaders (those blocks stay above). In B43K (Implements FOR Writing OR Drawing), Pentel ranks #22 of 82 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (29 here).

PTM Packaging Tools Machinery PTE. Ltd. 29 QBO Coffee GMBH 29 Alastin Skincare, Inc. 29 Timescale, Inc. 29

Pentel's Innovation Score vs. every tracked assignee

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

29 29th percentile higher than 29% 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 · 2015–2024

Grants by year

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

View data table

Pentel Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	8.3%
2016	2	8.3%
2017	2	8.3%
2018	1	4.2%
2019	4	16.7%
2020	4	16.7%
2022	2	8.3%
2023	4	16.7%
2024	3	12.5%

Which technologies does Pentel Kabushiki Kaisha patent most?

B43K - Implements FOR Writing OR Drawing 4

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 3

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 3

C08L - Compositions OF Macromolecular Compounds 2

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

A45D - Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring 1

Top 6 of 6 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

Pentel Kabushiki Kaisha's patent record in context - here's where to go next.

Pentel Kabushiki Kaisha's lead technology class is B43K (Implements FOR Writing OR Drawing), 16.7% of its portfolio - see every assignee active in that class. Explore B43K
Ranked #12,616 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Pentel Kabushiki Kaisha against Paradigm Spine, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.1/100 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.