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

According to USPTO PatentsView (2015–2025 granted utility patents), Toagosei Co., Ltd. ranks #2,855 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 Toagosei Co., Ltd. hold?

Toagosei Co., Ltd. holds 135 US utility patents granted between 2015 and 2025, spanning 67 technology areas.

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

Toagosei Co., Ltd. has an Innovation Score of 55.2 out of 100 (top 7% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Toagosei Co., Ltd.'s recent grant velocity is -13% 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 Toagosei Co., Ltd.'s patents?

Toagosei 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 Toagosei 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

Toagosei Co., Ltd.

Q: What technology areas does Toagosei Co., Ltd. focus on?

Toagosei Co., Ltd.'s top technology area is C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds) with 39 patents. Grants appear in 67 CPC subclasses total.

USPTO PatentsView assignee record - 135 granted patents across 67 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: C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Toagosei ranks #2,855 of 49,997 tracked US assignees by granted-patent volume, with 135 patents across 67 technology areas.

#2,855
of 49,997 US assignees by volume: Top 7%
by Innovation Score (55.2/100): 10.0
avg claims per patent: -13%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2855 · Foreign Corporation #2,855 · 135 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MID 135 grants
TOP-DECILE #2,855/49,997
PHOTO-FINISH Second Sight…
CPC-WIDE C08F · 67 areas
INNOV-PAR 55.2/100
CLAIMS-PAR 10.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -13% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Second Sight Medical Products, 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.

Qualcomm Incorporated · highest

85
Chicony Power… · near

55
Dometic Sweden AB · near

55
Massachusetts… · near

55
Omnicell · near

55
Toagosei · this assignee

55
3D Lighting… · lowest

7

What this shows Toagosei's Innovation Score is 55.2/100 (top 7% 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.

How Toagosei's grant cadence moved

Between 2020–2024, Toagosei Co., Ltd. received 58 grants versus 67 in 2015–2019 (-13% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2016 at 17 grants and bottomed in 2017 at 9. Lead class C08F accounts for 28.9% of the portfolio across 67 subclasses. Volume neighbours: Spine Wave, Inc. (#2,851) and Imam Mohammad IBN Saud Islamic University (#2,859).

Toagosei's three-year grant acceleration

From 2019–2021 to 2022–2024, Toagosei Co., Ltd. moved from 32 to 35 grants (1.09x 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 #971. See the growth leaderboard.

Spine Wave

135
Suntory Flowers

135
Second Sight Medi…

135
Tamura

135
Warner Bros Enter…

135
Toagosei ◀

135
Bruker Nano

134
Hendrickson USA L…

134
Imam Mohammad IBN…

134

What this shows Toagosei holds 135 patents at rank #2,855, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Toagosei

By rank, the assignees closest to #2,855 in granted patent volume.

Leaders in C08F (Macromolecular Compounds Obtained BY Reactions Only Invol…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Toagosei, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (55 here).

Dometic Sweden AB 55 Chicony Power Technology Co., Ltd. 55 Massachusetts Mutual Life Insurance Company 55 Omnicell, Inc. 55

Similar claim depth

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

Knoll, Inc. 10.0 avg Santen Pharmaceutical Co., Ltd. 10.0 avg Fast IP, LLC 10.0 avg Jenoptik Optical Systems GmbH 10.0 avg

Toagosei's Innovation Score vs. every tracked assignee

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

55 Top 7% higher than 93% 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

Toagosei Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	15	11.1%
2016	17	12.6%
2017	9	6.7%
2018	17	12.6%
2019	9	6.7%
2020	14	10.4%
2021	9	6.7%
2022	11	8.1%
2023	13	9.6%
2024	11	8.1%
2025partial year	10	7.4%

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

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 39

C07K - Peptides 36

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 29

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 28

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

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 24

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 19

C08L - Compositions OF Macromolecular Compounds 18

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 17

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 15

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 14

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 14

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 13

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 11

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 10

Top 15 of 67 technology areas

Where it ranks

Overall rank by patents

#2,855

of 49,997 tracked assignees

Innovation Score

55.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

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

Toagosei Co., Ltd.'s lead technology class is C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds), 28.9% of its portfolio - see every assignee active in that class. Explore C08F
Ranked #2,855 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Toagosei Co., Ltd. against Spine Wave, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 55.2/100 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.