USPTO 2015–2025 USPTO PatentsView Foreign Corporation

SK Enpulse Co., Ltd.

USPTO PatentsView assignee record - 24 granted patents across 15 technology areas, active 2023–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: B24B (MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

13.3

Avg claims per patent

5-year filing velocity

The verdict

SK holds 24 US patents across 15 technology areas, rank #12,661 of 50,000 tracked assignees.

#12,661
of 50,000 US assignees by volume: Top 10%
by Innovation Score (52.8/100): 13.3
avg claims per patent

Portfolio overview

SK Enpulse Co., Ltd. has been granted 24 US utility patents between 2023 and 2025, placing SK Enpulse Co., Ltd. at rank #12,661 across all assignees tracked by PlainPatent. This portfolio spans 15 distinct Cooperative Patent Classification (CPC) subclasses, averaging 13.3 claims per patent with primary concentration in B24B (MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS). As a Foreign Corporation, SK Enpulse Co., Ltd. is one of the more focused assignees in the PatentsView dataset. By volume, SK sits between Shenzhen NEW Degree Technology Co., Ltd. (24 patents, rank #12,657) and SPAN TECH Llc (24 patents, rank #12,665) - the closest US assignees by grant volume. The composite Innovation Score of 52.8/100 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. Historical data spans 2023 through 2025, with 24 total grants over that period. Velocity comparisons require five years of historical filings to calibrate. 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. SK Enpulse Co., Ltd.'s 13.3 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 15 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark SK Enpulse Co., Ltd. against peers pursuing similar technology classes.

Shenzhen NEW Degr…

24
Shmuel UR Innovat…

24
Showa Aluminum CAN

24
Sightline Interac…

24
SNF Group

24
Somar

24
Sookmyung Women's…

24
SPAN TECH

24
SK Enpulse ◀

24

What this shows SK holds 24 patents at rank #12,661, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near SK

By rank, the assignees closest to #12,661 in granted patent volume.

Leaders in B24B (Machines)

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

SK's Innovation Score vs. every tracked assignee

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

53 Top 10% higher than 90% of 50,000 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 · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

SK Enpulse Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	7	29.2%
2024	13	54.2%
2025	4	16.7%

Which technologies does SK Enpulse Co., Ltd. patent most?

B24B - MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS 18

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 17

B24D - TOOLS FOR GRINDING, BUFFING OR SHARPENING 11

C08J - WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H 8

C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 6

C09G - POLISHING COMPOSITIONS ; SKI WAXES 4

B25J - MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 2

C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE 2

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 2

C23C - COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1

H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1

H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1

G03F - PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR; 1

C08L - COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

Top 15 of 15 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Standard

Where it ranks

Overall rank by patents

#12,661

Across all tracked assignees

Innovation Score

52.8 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 SK Enpulse Co., Ltd. hold?

SK Enpulse Co., Ltd. holds 24 US granted patents filed between 2023 and 2025, spanning 15 technology areas.

What is SK Enpulse Co., Ltd.'s Innovation Score?

SK Enpulse Co., Ltd. has an Innovation Score of 52.8 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does SK Enpulse Co., Ltd. focus on?

SK Enpulse Co., Ltd.'s top technology area is B24B (MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS) with 18 patents. The company has filed patents in 15 CPC subclasses total.

Is SK Enpulse Co., Ltd.'s patent filing rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for SK Enpulse Co., Ltd..

What does claim depth mean for SK Enpulse Co., Ltd.'s patents?

SK Enpulse Co., Ltd.'s patents average 13.3 claims each. This falls within the standard range, providing solid legal coverage.

How is the SK Enpulse 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.

How to use this portfolio

SK's 24 grants land it in the top 10% 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 - SK ranks #12,661 of 50,000. Top 50 holders
Most of this portfolio concentrates in B24B - see who else leads that technology area. B24B 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.

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.

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.