USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Sejin-igb Co., Ltd.

USPTO PatentsView assignee record - 11 granted patents across 14 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F16H (GEARING).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

14.4

Avg claims per patent

+75%

5-year filing velocity

The verdict

Sejin-igb holds 11 US patents across 14 technology areas, rank #25,121 of 50,000 tracked assignees.

#25,121
of 50,000 US assignees by volume: Top 44%
by Innovation Score (37.1/100): 14.4
avg claims per patent: +75%
filing velocity, last 5 yrs

Portfolio overview

Sejin-igb Co., Ltd. has been granted 11 US utility patents between 2015 and 2025, placing Sejin-igb Co., Ltd. at rank #25,121 across all assignees tracked by PlainPatent. This portfolio spans 14 distinct Cooperative Patent Classification (CPC) subclasses, averaging 14.4 claims per patent with primary concentration in F16H (GEARING). As a Foreign Corporation, Sejin-igb Co., Ltd. is one of the more focused assignees in the PatentsView dataset. By volume, Sejin-igb sits between Sciperio, Inc (11 patents, rank #25,117) and SEN Corporation (11 patents, rank #25,125) - the closest US assignees by grant volume. The composite Innovation Score of 37.1/100 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 7 grants, compared with 4 in the 2015–2019 window, a +75% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. 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. Sejin-igb Co., Ltd.'s 14.4 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 14 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Sejin-igb Co., Ltd. against peers pursuing similar technology classes.

Sciperio

11
Scott Cutters

11
Scripps Networks…

11
Seiko PMC

11
Sekisui Specialty…

11
Self-suspending P…

11
Semco

11
SEN

11
Sejin-igb ◀

11

What this shows Sejin-igb holds 11 patents at rank #25,121, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Sejin-igb's Innovation Score vs. every tracked assignee

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

37 Top 44% higher than 56% 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 · 2015–2025

Grants by year

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

View data table

Sejin-igb Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	9.1%
2016	1	9.1%
2019	2	18.2%
2021	2	18.2%
2022	4	36.4%
2025	1	9.1%

Which technologies does Sejin-igb Co., Ltd. patent most?

F16H - GEARING 9

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 2

F16C - SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 2

H02K - DYNAMO-ELECTRIC MACHINES 1

B62D - MOTOR VEHICLES; TRAILERS 1

B60G - VEHICLE SUSPENSION ARRANGEMENTS 1

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 1

F03D - WIND MOTORS 1

B65G - TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS 1

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 1

B61B - RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 1

G02F - OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1

B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES ; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICL 1

B61C - LOCOMOTIVES; MOTOR RAILCARS 1

Top 14 of 14 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Standard

Velocity Accelerating

Where it ranks

Overall rank by patents

#25,121

Across all tracked assignees

Innovation Score

37.1 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 Sejin-igb Co., Ltd. hold?

Sejin-igb Co., Ltd. holds 11 US granted patents filed between 2015 and 2025, spanning 14 technology areas.

What is Sejin-igb Co., Ltd.'s Innovation Score?

Sejin-igb Co., Ltd. has an Innovation Score of 37.1 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sejin-igb Co., Ltd. focus on?

Sejin-igb Co., Ltd.'s top technology area is F16H (GEARING) with 9 patents. The company has filed patents in 14 CPC subclasses total.

Is Sejin-igb Co., Ltd.'s patent filing rate increasing or decreasing?

Sejin-igb Co., Ltd.'s recent filing velocity is +75% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for Sejin-igb Co., Ltd.'s patents?

Sejin-igb Co., Ltd.'s patents average 14.4 claims each. This falls within the standard range, providing solid legal coverage.

How is the Sejin-igb 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

Sejin-igb's 11 grants land it in the top 44% 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 - Sejin-igb ranks #25,121 of 50,000. Top 50 holders
Most of this portfolio concentrates in F16H - see who else leads that technology area. F16H 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

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.