Where does Kyowa Hakko BIO Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kyowa Hakko BIO Co., Ltd. ranks #6,453 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 Kyowa Hakko BIO Co., Ltd. hold?

Kyowa Hakko BIO Co., Ltd. holds 52 US utility patents granted between 2015 and 2025, spanning 26 technology areas.

What is Kyowa Hakko BIO Co., Ltd.'s Innovation Score?

Kyowa Hakko BIO Co., Ltd. has an Innovation Score of 40.2 out of 100 (top 36% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kyowa Hakko BIO Co., Ltd. focus on?

Kyowa Hakko BIO Co., Ltd.'s top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 25 patents, ranking #782 of 6,058 assignees active in that subclass. Grants appear in 26 CPC subclasses total.

Is Kyowa Hakko BIO Co., Ltd.'s patent grant rate increasing or decreasing?

Kyowa Hakko BIO Co., Ltd.'s recent grant velocity is -41% 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 Kyowa Hakko BIO Co., Ltd.'s patents?

Kyowa Hakko BIO Co., Ltd.'s patents average 10.0 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 Kyowa Hakko BIO 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

Kyowa Hakko BIO Co., Ltd.

USPTO PatentsView assignee record - 52 granted patents across 26 technology areas, recorded in grant years 2015–2025. 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: A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kyowa ranks #6,453 of 49,997 tracked US assignees by granted-patent volume, with 52 patents across 26 technology areas.

#6,453
of 49,997 US assignees by volume: Top 36%
by Innovation Score (40.2/100): 10.0
avg claims per patent: -41%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6453 · Foreign Corporation #6,453 · 52 grants

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

GRANTS-SMALL 52 grants
UPPER-Q #6,453/49,997
PHOTO-FINISH InContact
CPC-FOCUS A61P · 26 areas
INNOV-PAR 40.2/100
CLAIMS-PAR 10.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -41% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: InContact Inc. (±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 Kyowa’s 40.2 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 13.7 pts (34%) Velocity 2.5 pts (6%) Breadth 18.0 pts (45%) Claim depth 6.0 pts (15%)

Qualcomm Incorporated · highest

85
Banjo · near

40
ForSight Vision4 · near

40
King Technology · near

40
Kyowa Hakko BIO · this assignee

40
Schölly Fiberoptic · near

40
3D Lighting… · lowest

7

What this shows Kyowa's Innovation Score is 40.2/100 (top 36% 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 Kyowa?

Each dot is one of Kyowa’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). Kyowa’s own 10.0 claims/patent is at or below the 15.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kyowa's grants concentrate

Kyowa Hakko BIO Co., Ltd. is a focused PatentsView assignee: 26 CPC subclasses with 48.1% of grants classified under A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations). Peak complete grant year is 2016 (8 grants) versus a trough of 1 in 2024. By volume, Kyowa sits between InContact Inc. and LanzaTech New Zealand Limited.

Kyowa's three-year grant acceleration

Kyowa Hakko BIO Co., Ltd. shows 7 grants in 2022–2024 against only 19 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.

Incontact

52
Isis Pharmaceutic…

52
JBF Interlude 2009

52
Jenoptik Optical…

52
Kyushu University

52
Kala Pharmaceutic…

52
King Furniture Au…

52
Lanzatech New Zea…

52
Kyowa Hakko BIO ◀

52

What this shows Kyowa holds 52 patents at rank #6,451, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kyowa

By rank, the assignees closest to #6,451 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kyowa, neither rank-band nor same-CPC leaders (those blocks stay above). In A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…), Kyowa ranks #782 of 6,058 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (40 here).

Banjo Corporation 40 ForSight Vision4, Inc. 40 King Technology, Inc. 40 Schölly Fiberoptic GmbH 40

Similar claim depth

Nearest assignees by average claims per patent (10.0 here).

Seoyon E-hwa Co., Ltd. 10.0 avg Bridgestone Sports Co., Ltd. 10.0 avg WM Intellectual Property Holdings, L.L.C. 10.0 avg NEC Energy Devices, Ltd. 10.0 avg

Kyowa's Innovation Score vs. every tracked assignee

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

40 Top 36% higher than 64% 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 · 2015–2025

Grants by year

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

View data table

Kyowa Hakko BIO Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	7	13.5%
2016	8	15.4%
2017	4	7.7%
2018	6	11.5%
2019	7	13.5%
2020	5	9.6%
2021	7	13.5%
2022	2	3.8%
2023	4	7.7%
2024	1	1.9%
2025partial year	1	1.9%

Which technologies does Kyowa Hakko BIO Co., Ltd. patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 25

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 24

C07K - Peptides 12

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 10

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 10

C07C - Acyclic OR Carbocyclic Compounds 9

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 9

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 9

A23V - Indexing Scheme Relating TO Foods, Foodstuffs OR Non-alcoholic Beverages AND Lactic OR Propionic Acid Bacteria Used IN Foodstuffs OR Food Preparation 8

C30B - Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI 7

C07H - SUGARS; Derivatives THEREOF; NUCLEOSIDES; NUCLEOTIDES; Nucleic Acids 5

C12Y - Enzymes 5

C12R - Indexing Scheme Associated With Subclasses C12c - C12q, Relating TO Microorganisms 4

C25B - Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor 3

C07D - Heterocyclic Compounds 2

Top 15 of 26 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

Kyowa Hakko BIO Co., Ltd.'s patent record in context - here's where to go next.

Kyowa Hakko BIO Co., Ltd.'s lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 48.1% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #6,453 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kyowa Hakko BIO Co., Ltd. against InContact Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.2/100 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.