USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Pentel Kabushiki Kaisha

USPTO PatentsView assignee record - 24 granted patents across 6 technology areas, active 2015–2024. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: B43K (IMPLEMENTS FOR WRITING OR DRAWING).

24
Total patents granted
6
CPC technology areas
3.0
Avg claims per patent
+18%
5-year filing velocity

The verdict

Pentel holds 24 US patents across 6 technology areas, rank #12,627 of 50,000 tracked assignees.

#12,627
of 50,000 US assignees by volume
Top 71%
by Innovation Score (29.1/100)
3.0
avg claims per patent
+18%
filing velocity, last 5 yrs

Portfolio overview

Pentel Kabushiki Kaisha has been granted 24 US utility patents between 2015 and 2024, placing Pentel Kabushiki Kaisha at rank #12,627 across all assignees tracked by PlainPatent. This portfolio spans 6 distinct Cooperative Patent Classification (CPC) subclasses, averaging 3.0 claims per patent with primary concentration in B43K (IMPLEMENTS FOR WRITING OR DRAWING). As a Foreign Corporation, Pentel Kabushiki Kaisha is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 29.1/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 13 grants, compared with 11 in the 2015–2019 window, a +18% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Pentel Kabushiki Kaisha's 3.0 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while concentration in 6 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Pentel Kabushiki Kaisha against peers pursuing similar technology classes.

How does Pentel compare?

Granted US patents 2015–2025 versus the largest corporate holders, this company marked ◀

patents

What this shows Pentel holds 24 patents, placing it at rank #12,627 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Pentel's Innovation Score vs. every tracked assignee

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

29 Top 71% higher than 29% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). This entry sits in this band. 30–40: 15,294 US assignees (31%). Above this entry. 40–50: 11,491 US assignees (23%). Above this entry. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

012345 201520162017201820192020202220232024 3
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%

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Focused
Claim Depth Simple
Velocity Growing

Where it ranks

Overall rank by patents

#12,627

Across all tracked assignees

Innovation Score

29.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Pentel Kabushiki Kaisha hold?
Pentel Kabushiki Kaisha holds 24 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing 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. The company has filed patents in 6 CPC subclasses total.
Is Pentel Kabushiki Kaisha's patent filing rate increasing or decreasing?
Pentel Kabushiki Kaisha's recent filing velocity is +18% compared to the prior five-year period. The company is maintaining or growing its 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 relatively simple claim structure, typical for focused inventions.
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.

Guides to patent portfolio analysis

How to use this portfolio

Pentel's 24 grants land it in the top 71% by Innovation Score, but volume alone doesn't tell you where the strength sits.

  • Read that count against the largest US assignees before treating it as dominance - Pentel ranks #12,627 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in B43K - see who else leads that technology area. B43K leaders
  • Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Explore the patent dataset

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.

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