Where does KUM OH Electronics Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), KUM OH Electronics Co., Ltd. ranks #21,358 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does KUM OH Electronics Co., Ltd. hold?

KUM OH Electronics Co., Ltd. holds 13 US utility patents granted between 2016 and 2022, spanning 17 technology areas.

What is KUM OH Electronics Co., Ltd.'s Innovation Score?

KUM OH Electronics Co., Ltd. has an Innovation Score of 27.5 out of 100 (top 76% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is KUM OH Electronics Co., Ltd.'s patent grant rate increasing or decreasing?

KUM OH Electronics Co., Ltd.'s recent grant velocity is -70% 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 KUM OH Electronics Co., Ltd.'s patents?

KUM OH Electronics Co., Ltd.'s patents average 2.6 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 KUM OH Electronics 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

KUM OH Electronics Co., Ltd.

Q: What technology areas does KUM OH Electronics Co., Ltd. focus on?

KUM OH Electronics Co., Ltd.'s top technology area is G08B (SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS) with 5 patents. Grants appear in 17 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 17 technology areas, recorded in grant years 2016–2022. 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: G08B (SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, KUM ranks #21,358 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 17 technology areas.

#21,358
of 50,000 US assignees by volume: Top 76%
by Innovation Score (27.5/100): 2.6
avg claims per patent: -70%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21358 · Foreign Corporation #21,358 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,358/50,000
PHOTO-FINISH Kaazing
CPC-FOCUS G08B · 17 areas
INNOV-THIN 27.5/100
CLAIMS-SPARSE 2.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -70% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kaazing 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.

Qualcomm Incorporated · highest

85
KUM OH · this assignee

27
3D Lighting Innovati… · lowest

7

What this shows KUM's Innovation Score is 27.5/100 (top 76% 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 KUM's grants concentrate

KUM OH Electronics Co., Ltd. is a focused PatentsView assignee: 17 CPC subclasses with 38.5% of grants classified under G08B (SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS). Peak complete grant year is 2016 (4 grants) versus a trough of 1 in 2019. By volume, KUM sits between Koofy Innovation Limited and Kabushiki Kaisha Takai Rika Denki Seisakusho.

Koofy Innovation

13
Koplar Interactiv…

13
Kromek Group

13
KTL International

13
Kurabe Industrial

13
Kyb-ys

13
Kaazing

13
Takai Rika Denki…

13
KUM OH ◀

13

What this shows KUM holds 13 patents at rank #21,340, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near KUM

By rank, the assignees closest to #21,340 in granted patent volume.

Leaders in G08B (Signalling OR Calling Systems)

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

KUM's Innovation Score vs. every tracked assignee

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

27 Top 76% higher than 24% 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 · 2016–2022

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

KUM OH Electronics Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	4	30.8%
2017	3	23.1%
2018	2	15.4%
2019	1	7.7%
2020	2	15.4%
2022	1	7.7%

Which technologies does KUM OH Electronics Co., Ltd. patent most?

G08B - SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 5

A47F - SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS 3

H01R - ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3

H04M - TELEPHONIC COMMUNICATION 3

G06F - ELECTRIC DIGITAL DATA PROCESSING 3

H02G - INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 2

B43K - IMPLEMENTS FOR WRITING OR DRAWING 2

H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION 1

H04R - LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1

A47B - TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 1

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 1

F16F - SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION 1

F16M - FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS 1

B65H - HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES 1

F16L - PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL 1

Top 15 of 17 technology areas

Where it ranks

Overall rank by patents

#21,358

of 50,000 tracked assignees

Innovation Score

27.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.