Where does Kanto Kagaku Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kanto Kagaku Kabushiki Kaisha ranks #12,071 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 Kanto Kagaku Kabushiki Kaisha hold?

Kanto Kagaku Kabushiki Kaisha holds 25 US utility patents granted between 2015 and 2024, spanning 31 technology areas.

What is Kanto Kagaku Kabushiki Kaisha's Innovation Score?

Kanto Kagaku Kabushiki Kaisha has an Innovation Score of 42.2 out of 100 (top 31% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kanto Kagaku Kabushiki Kaisha focus on?

Kanto Kagaku Kabushiki Kaisha's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 12 patents, ranking #838 of 3,373 assignees active in that subclass. Grants appear in 31 CPC subclasses total.

Is Kanto Kagaku Kabushiki Kaisha's patent grant rate increasing or decreasing?

Kanto Kagaku Kabushiki Kaisha's recent grant velocity is +27% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Kanto Kagaku Kabushiki Kaisha's patents?

Kanto Kagaku Kabushiki Kaisha's patents average 9.1 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 Kanto Kagaku Kabushiki Kaisha 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

Kanto Kagaku Kabushiki Kaisha

USPTO PatentsView assignee record - 25 granted patents across 31 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Kanto ranks #12,071 of 49,997 tracked US assignees by granted-patent volume, with 25 patents across 31 technology areas.

#12,071
of 49,997 US assignees by volume: Top 31%
by Innovation Score (42.2/100): 9.1
avg claims per patent: +27%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12071 · Foreign Corporation #12,071 · 25 grants

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

GRANTS-SMALL 25 grants
UPPER-Q #12,071/49,997
PHOTO-FINISH Kobe Seiko Sho…
CPC-FOCUS H01L · 31 areas
INNOV-PAR 42.2/100
CLAIMS-PAR 9.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +27% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) (±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 Kanto’s 42.2 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 11.3 pts (27%) Velocity 5.8 pts (14%) Breadth 19.7 pts (47%) Claim depth 5.5 pts (13%)

Qualcomm Incorporated · highest

85
Agjunction · near

42
Embarcadero · near

42
Kanto Kagaku · this assignee

42
Netronome Systems · near

42
Rapid Medical · near

42
3D Lighting… · lowest

7

What this shows Kanto's Innovation Score is 42.2/100 (top 31% 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 Kanto?

Each dot is one of Kanto’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). Kanto’s own 9.1 claims/patent is at or below the 11.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kanto's grants concentrate

Kanto Kagaku Kabushiki Kaisha is a focused PatentsView assignee: 31 CPC subclasses with 48% of grants classified under H01L (Semiconductor Devices NOT Covered BY Class H10). Peak complete grant year is 2021 (5 grants) versus a trough of 1 in 2018. By volume, Kanto sits between Korea GAS Corporation and Knapp Investment Company Limited.

Kanto's three-year grant acceleration

Kanto Kagaku Kabushiki Kaisha shows 7 grants in 2022–2024 against only 8 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.

Korea GAS

25
Kumho Tire

25
KWS Saat SE

25
Kobe Seiko Sho (K…

25
Kenvue Brands

25
Kinetix

25
Knapp Holding

25
Knapp Investment

25
Kanto Kagaku ◀

25

What this shows Kanto holds 25 patents at rank #12,073, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kanto

By rank, the assignees closest to #12,073 in granted patent volume.

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

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kanto, neither rank-band nor same-CPC leaders (those blocks stay above). In H01L (Semiconductor Devices NOT Covered BY Class H10), Kanto ranks #838 of 3,373 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (42 here).

Rapid Medical Ltd. 42 Embarcadero Technologies, Inc. 42 Agjunction LLC 42 Netronome Systems, Inc. 42

Kanto's Innovation Score vs. every tracked assignee

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

42 Top 31% higher than 69% 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

Kanto Kagaku Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	16.0%
2016	3	12.0%
2017	2	8.0%
2018	1	4.0%
2019	1	4.0%
2020	2	8.0%
2021	5	20.0%
2022	3	12.0%
2023	2	8.0%
2024	2	8.0%

Which technologies does Kanto Kagaku Kabushiki Kaisha patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 12

C07C - Acyclic OR Carbocyclic Compounds 6

C11D - Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol 6

C23F - Non-mechanical Removal OF Metallic Material From Surface ; Inhibiting Corrosion OF Metallic Material OR Incrustation IN GENERAL; Multi-step Processes FOR Surface Treatment OF Metallic Material Involving AT Least ONE Process Provided FOR IN Class C23 AND AT Least ONE Process Covered BY Subclass C21d 6

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 5

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 5

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 4

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 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 3

C07D - Heterocyclic Compounds 3

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 3

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR 2

G02B - Optical Elements, Systems OR Apparatus 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

C23G - Cleaning OR De-greasing OF Metallic Material BY Chemical Methods Other Than Electrolysis 2

Top 15 of 31 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

Kanto Kagaku Kabushiki Kaisha's patent record in context - here's where to go next.

Kanto Kagaku Kabushiki Kaisha's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 48% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #12,071 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kanto Kagaku Kabushiki Kaisha against Korea GAS Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 42.2/100 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.