Where does Iwatani Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Iwatani Corporation ranks #12,497 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 Iwatani Corporation hold?

Iwatani Corporation holds 24 US utility patents granted between 2015 and 2024, spanning 23 technology areas.

What is Iwatani Corporation's Innovation Score?

Iwatani Corporation has an Innovation Score of 46.3 out of 100 (top 21% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Iwatani Corporation focus on?

Iwatani Corporation's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 10 patents, ranking #952 of 3,373 assignees active in that subclass. Grants appear in 23 CPC subclasses total.

Is Iwatani Corporation's patent grant rate increasing or decreasing?

Iwatani Corporation's recent grant velocity is -40% 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 Iwatani Corporation's patents?

Iwatani Corporation's patents average 8.2 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 Iwatani 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

Iwatani Corporation

USPTO PatentsView assignee record - 24 granted patents across 23 technology areas, recorded in grant years 2015–2024. 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, Iwatani ranks #12,497 of 49,997 tracked US assignees by granted-patent volume, with 24 patents across 23 technology areas.

#12,497
of 49,997 US assignees by volume: Top 21%
by Innovation Score (46.3/100): 8.2
avg claims per patent: -40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12497 · Foreign Corporation #12,497 · 24 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 24 grants
UPPER-Q #12,497/49,997
PHOTO-FINISH Idemia Identity &…
CPC-FOCUS H01L · 23 areas
INNOV-PAR 46.3/100
CLAIMS-PAR 8.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Idemia Identity & Security (±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 Iwatani’s 46.3 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 11.1 pts (24%) Velocity 13.3 pts (29%) Breadth 17.0 pts (37%) Claim depth 4.9 pts (11%)

Qualcomm Incorporated · highest

85
Iwatani · this assignee

46
3D Lighting… · lowest

7

What this shows Iwatani's Innovation Score is 46.3/100 (top 21% 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 Iwatani?

Each dot is one of Iwatani’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). Iwatani’s own 8.2 claims/patent is at or below the 12.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Iwatani's grants concentrate

Iwatani Corporation is a focused PatentsView assignee: 23 CPC subclasses with 41.7% of grants classified under H01L (Semiconductor Devices NOT Covered BY Class H10). Peak complete grant year is 2015 (8 grants) versus a trough of 1 in 2018. By volume, Iwatani sits between Industrias Alen, S.A. de C.V. and Institute of Genetics and Developmental Biology, Chinese Academy of Sciences.

Iwatani's three-year grant acceleration

Iwatani Corporation shows 6 grants in 2022–2024 against only 3 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Industrias Alen d…

24
Intelligent Intel…

24
Intermec

24
Ipetit

24
Idemia Identity &…

24
Improbable Worlds

24
Infiltrator Water

24
Institute of Gene…

24
Iwatani ◀

24

What this shows Iwatani holds 24 patents at rank #12,491, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Iwatani

By rank, the assignees closest to #12,491 in granted patent volume.

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

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

Iwatani's Innovation Score vs. every tracked assignee

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

46 Top 21% higher than 79% 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 · 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

Iwatani Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	8	33.3%
2016	3	12.5%
2017	3	12.5%
2018	1	4.2%
2020	1	4.2%
2021	2	8.3%
2022	4	16.7%
2023	1	4.2%
2024	1	4.2%

Which technologies does Iwatani Corporation patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 10

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 6

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 5

B01D - Separation 4

B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General 3

F17C - Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases 3

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 2

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 1

F24C - Domestic Stoves OR Ranges ; Details OF Domestic Stoves OR Ranges, OF General Application 1

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 1

Y10T - Technical Subjects Covered BY Former US Classification 1

C11D - Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol 1

Top 15 of 23 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

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

Iwatani Corporation's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 41.7% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #12,497 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Iwatani Corporation against Industrias Alen, S.A. de C.V., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 46.3/100 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.