Where does Kokusai Electric Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kokusai Electric Corporation ranks #781 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 Kokusai Electric Corporation hold?

Kokusai Electric Corporation holds 587 US utility patents granted between 2018 and 2025, spanning 52 technology areas.

What is Kokusai Electric Corporation's Innovation Score?

Kokusai Electric Corporation has an Innovation Score of 62.7 out of 100 (top 2% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kokusai Electric Corporation focus on?

Kokusai Electric Corporation's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 476 patents, ranking #49 of 3,373 assignees active in that subclass. Grants appear in 52 CPC subclasses total.

Is Kokusai Electric Corporation's patent grant rate increasing or decreasing?

Kokusai Electric Corporation's recent grant velocity is +519% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Kokusai Electric Corporation's patents?

Kokusai Electric Corporation's patents average 13.6 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 Kokusai Electric Corporation 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

Kokusai Electric Corporation

USPTO PatentsView assignee record - 587 granted patents across 52 technology areas, recorded in grant years 2018–2025. 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: H01L (Semiconductor Devices NOT Covered BY Class H10).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kokusai ranks #781 of 49,997 tracked US assignees by granted-patent volume, with 587 patents across 52 technology areas.

#781
of 49,997 US assignees by volume: Top 2%
by Innovation Score (62.7/100): 13.6
avg claims per patent: +519%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R781 · Foreign Corporation #781 · 587 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 587 grants
TOP-DECILE #781/49,997
PHOTO-FINISH Phoenix Contact & KG
CPC-WIDE H01L · 52 areas
INNOV-STRONG 62.7/100
CLAIMS-RICH 13.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +519% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Phoenix Contact GMBH & Co. KG (±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 Kokusai’s 62.7 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 22.0 pts (35%) Velocity 7.5 pts (12%) Breadth 25.0 pts (40%) Claim depth 8.1 pts (13%)

Qualcomm Incorporated · highest

85
Ambarella Internatio… · near

63
Hutchinson Technolog… · near

63
Kokusai Electric · this assignee

63
Rolls-royce… · near

63
Societe des… · near

63
3D Lighting… · lowest

7

What this shows Kokusai's Innovation Score is 62.7/100 (top 2% 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 Kokusai?

Each dot is one of Kokusai’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). Kokusai’s own 13.6 claims/patent is ABOVE the 12.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Kokusai's grant cadence moved

Between 2020–2024, Kokusai Electric Corporation received 433 grants versus 70 in 2015–2019 (+519% equal-window velocity, top decile growth). Across complete PatentsView years, output peaked in 2024 at 107 grants and bottomed in 2018 at 5. Lead class H01L accounts for 81.1% of the portfolio across 52 subclasses. Volume neighbours: Carnegie Mellon University (#777) and Agilent Technologies, Inc. (#785).

Kokusai's three-year grant acceleration

From 2019–2021 to 2022–2024, Kokusai Electric Corporation moved from 234 to 264 grants (1.13x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #907. See the growth leaderboard.

Carnegie Mellon U…

589
Showa Denko K K

589
Tohoku University

589
Kyoto University

588
Phoenix Contact &…

587
Kokusai Electric ◀

587
PPG Industries Oh…

586
North Carolina St…

585
Agilent

583

What this shows Kokusai holds 587 patents at rank #781, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kokusai

By rank, the assignees closest to #781 in granted patent volume.

Leaders in H01L (Semiconductor Devices NOT Covered BY Class H10)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kokusai, neither rank-band nor same-CPC leaders (those blocks stay above). In H01L (Semiconductor Devices NOT Covered BY Class H10), Kokusai ranks #49 of 3,373 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (63 here).

Rolls-royce Deutschland Ltd & Co KG 63 Ambarella International LP 63 Hutchinson Technology Incorporated 63 Societe des Produits Nestle S.A. 63

Similar claim depth

Nearest assignees by average claims per patent (13.6 here).

Covestro Deutschland AG 13.6 avg Beijing Xiaomi Mobile Software Co., Ltd. 13.6 avg Avintiv Specialty Materials Inc. 13.6 avg Institut National de la Sante et de la Recherche Medicale (INSERM) 13.6 avg

Kokusai's Innovation Score vs. every tracked assignee

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

63 Top 2% higher than 98% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Kokusai Electric Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	5	0.9%
2019	65	11.1%
2020	78	13.3%
2021	91	15.5%
2022	85	14.5%
2023	72	12.3%
2024	107	18.2%
2025partial year	84	14.3%

Which technologies does Kokusai Electric Corporation patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 476

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 375

H01J - Electric Discharge Tubes OR Discharge Lamps 87

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 28

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 16

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams 16

H10D - Inorganic Electric Semiconductor Devices 14

H10B - Electronic Memory Devices 10

F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus 9

G01K - Measuring TEMPERATURE; Measuring Quantity OF HEAT; Thermally-sensitive Elements NOT Otherwise Provided FOR 8

B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General 8

F27D - Details OR Accessories OF Furnaces, Kilns, Ovens OR Retorts, IN SO FAR AS They ARE OF Kinds Occurring IN More Than ONE Kind OF Furnace 7

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 7

G06F - Electric Digital Data Processing 5

B01D - Separation 4

Top 15 of 52 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

Kokusai Electric Corporation's patent record in context - here's where to go next.

Kokusai Electric Corporation's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 81.1% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #781 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kokusai Electric Corporation against Carnegie Mellon University, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 62.7/100 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.