Where does Hayashibara Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hayashibara Co., Ltd. ranks #10,048 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 Hayashibara Co., Ltd. hold?

Hayashibara Co., Ltd. holds 31 US utility patents granted between 2015 and 2024, spanning 24 technology areas.

What is Hayashibara Co., Ltd.'s Innovation Score?

Hayashibara Co., Ltd. has an Innovation Score of 38.3 out of 100 (top 41% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Hayashibara Co., Ltd. focus on?

Hayashibara Co., Ltd.'s top technology area is A61K (Preparations FOR Medical, Dental OR Toiletry Purposes) with 22 patents, ranking #1,019 of 7,163 assignees active in that subclass. Grants appear in 24 CPC subclasses total.

Is Hayashibara Co., Ltd.'s patent grant rate increasing or decreasing?

Hayashibara Co., Ltd.'s recent grant velocity is -59% 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 Hayashibara Co., Ltd.'s patents?

Hayashibara Co., Ltd.'s patents average 5.8 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 Hayashibara 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

Hayashibara Co., Ltd.

USPTO PatentsView assignee record - 31 granted patents across 24 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: A61K (Preparations FOR Medical, Dental OR Toiletry Purposes).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hayashibara ranks #10,048 of 49,997 tracked US assignees by granted-patent volume, with 31 patents across 24 technology areas.

#10,048
of 49,997 US assignees by volume: Top 41%
by Innovation Score (38.3/100): 5.8
avg claims per patent: -59%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10048 · Foreign Corporation #10,048 · 31 grants

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

GRANTS-SMALL 31 grants
UPPER-Q #10,048/49,997
PHOTO-FINISH Grace Engineering
CPC-FOCUS A61K · 24 areas
INNOV-THIN 38.3/100
CLAIMS-SPARSE 5.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -59% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Grace Engineering Corp. (±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 Hayashibara’s 38.3 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 12.0 pts (31%) Velocity 5.6 pts (15%) Breadth 17.3 pts (45%) Claim depth 3.5 pts (9%)

Qualcomm Incorporated · highest

85
Acme United · near

38
Bradley Fixtures · near

38
Hayashibara · this assignee

38
Netspective… · near

38
Scientific Games… · near

38
3D Lighting… · lowest

7

What this shows Hayashibara's Innovation Score is 38.3/100 (top 41% 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 Hayashibara?

Each dot is one of Hayashibara’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). Hayashibara’s own 5.8 claims/patent is at or below the 14.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hayashibara's grants concentrate

Hayashibara Co., Ltd. is a focused PatentsView assignee: 24 CPC subclasses with 71% of grants classified under A61K (Preparations FOR Medical, Dental OR Toiletry Purposes). Peak complete grant year is 2015 (7 grants) versus a trough of 1 in 2021. By volume, Hayashibara sits between Grace Engineering Corp. and HLT, Inc..

Hayashibara's three-year grant acceleration

Hayashibara Co., Ltd. shows 5 grants in 2022–2024 against only 6 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.

Grace Engineering

31
Green Cubes Techn…

31
Gungho Online Ent…

31
Hainan University

31
HB Innovations

31
Hexacheck

31
Hi-lex Controls

31
HLT

31
Hayashibara ◀

31

What this shows Hayashibara holds 31 patents at rank #10,047, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hayashibara

By rank, the assignees closest to #10,047 in granted patent volume.

Leaders in A61K (Preparations FOR Medical)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hayashibara, neither rank-band nor same-CPC leaders (those blocks stay above). In A61K (Preparations FOR Medical), Hayashibara ranks #1,019 of 7,163 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

Netspective Communications LLC 38 Acme United Corporation 38 Scientific Games International, Inc. 38 Bradley Fixtures, LLC 38

Hayashibara's Innovation Score vs. every tracked assignee

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

38 Top 41% higher than 59% 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

Hayashibara Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	7	22.6%
2016	5	16.1%
2017	3	9.7%
2018	5	16.1%
2019	2	6.5%
2020	3	9.7%
2021	1	3.2%
2022	4	12.9%
2024	1	3.2%

Which technologies does Hayashibara Co., Ltd. patent most?

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 22

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 20

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 17

C07H - SUGARS; Derivatives THEREOF; NUCLEOSIDES; NUCLEOTIDES; Nucleic Acids 16

A61Q - Specific USE OF Cosmetics OR Similar Toiletry Preparations 15

C12Y - Enzymes 14

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 11

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

A23V - Indexing Scheme Relating TO Foods, Foodstuffs OR Non-alcoholic Beverages AND Lactic OR Propionic Acid Bacteria Used IN Foodstuffs OR Food Preparation 7

C13K - Saccharides Obtained From Natural Sources OR BY Hydrolysis OF Naturally Occurring Disaccharides, Oligosaccharides OR Polysaccharides 6

C08B - POLYSACCHARIDES; Derivatives Thereof 4

A23C - Dairy Products, e.g. Milk, Butter OR CHEESE; Milk OR Cheese SUBSTITUTES; Making OR Treatment Thereof 4

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 4

A21D - Treatment OF Flour OR Dough FOR Baking, e.g. BY Addition OF MATERIALS; BAKING; Bakery Products 3

C12R - Indexing Scheme Associated With Subclasses C12c - C12q, Relating TO Microorganisms 3

Top 15 of 24 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

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

Hayashibara Co., Ltd.'s lead technology class is A61K (Preparations FOR Medical, Dental OR Toiletry Purposes), 71% of its portfolio - see every assignee active in that class. Explore A61K
Ranked #10,048 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hayashibara Co., Ltd. against Grace Engineering Corp., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.3/100 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.