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

According to USPTO PatentsView (2015–2025 granted utility patents), Sato Pharmaceutical Co., Ltd. ranks #25,137 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 Sato Pharmaceutical Co., Ltd. hold?

Sato Pharmaceutical Co., Ltd. holds 11 US utility patents granted between 2015 and 2023, spanning 10 technology areas.

What is Sato Pharmaceutical Co., Ltd.'s Innovation Score?

Sato Pharmaceutical Co., Ltd. has an Innovation Score of 42.5 out of 100 (top 30% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sato Pharmaceutical Co., Ltd. focus on?

Sato Pharmaceutical Co., Ltd.'s top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 7 patents, ranking #2,588 of 6,058 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

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

Sato Pharmaceutical Co., Ltd.'s recent grant velocity is +20% 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 Sato Pharmaceutical Co., Ltd.'s patents?

Sato Pharmaceutical Co., Ltd.'s patents average 15.7 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 Sato Pharmaceutical 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

Sato Pharmaceutical Co., Ltd.

USPTO PatentsView assignee record - 11 granted patents across 10 technology areas, recorded in grant years 2015–2023. 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Sato ranks #25,137 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 10 technology areas.

#25,137
of 49,997 US assignees by volume: Top 30%
by Innovation Score (42.5/100): 15.7
avg claims per patent: +20%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25137 · Foreign Corporation #25,137 · 11 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MICRO 11 grants
MID-PACK #25,137/49,997
PHOTO-FINISH Sanrio
CPC-FOCUS A61P · 10 areas
INNOV-PAR 42.5/100
CLAIMS-RICH 15.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +20% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Sanrio Company, 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 Sato’s 42.5 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 8.6 pts (20%) Velocity 13.3 pts (31%) Breadth 11.2 pts (26%) Claim depth 9.4 pts (22%)

Qualcomm Incorporated · highest

85
Advanced Upstream · near

43
Arc Suppression · near

43
Humabs BioMed · near

43
Recurium IP Holdings · near

43
Sato Pharmaceutical · this assignee

43
3D Lighting… · lowest

7

What this shows Sato's Innovation Score is 42.5/100 (top 30% 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 Sato?

Each dot is one of Sato’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). Sato’s own 15.7 claims/patent is ABOVE the 14.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Sato's grants concentrate

Sato Pharmaceutical Co., Ltd. is a focused PatentsView assignee: 10 CPC subclasses with 63.6% of grants classified under A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations). Peak complete grant year is 2023 (3 grants) versus a trough of 1 in 2017. By volume, Sato sits between Sanrio Company, Ltd. and Scott Cutters Limited.

Sato's three-year grant acceleration

Sato Pharmaceutical Co., Ltd. shows 4 grants in 2022–2024 against only 2 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.

Sanrio

11
Sanwa Techno

11
Sany Heavy Indust…

11
Sasol WAX

11
Sauder Woodworking

11
Schottky LSI

11
Sciperio

11
Scott Cutters

11
Sato Pharmaceutic… ◀

11

What this shows Sato holds 11 patents at rank #25,114, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sato

By rank, the assignees closest to #25,114 in granted patent volume.

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

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sato, neither rank-band nor same-CPC leaders (those blocks stay above). In A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…), Sato ranks #2,588 of 6,058 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (43 here).

Advanced Upstream Ltd. 43 Recurium IP Holdings, LLC 43 Arc Suppression Technologies 43 Humabs BioMed SA 43

Sato's Innovation Score vs. every tracked assignee

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

43 Top 30% higher than 70% 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 · 2015–2023

Grants by year

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

View data table

Sato Pharmaceutical Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	18.2%
2016	2	18.2%
2017	1	9.1%
2021	2	18.2%
2022	1	9.1%
2023	3	27.3%

Which technologies does Sato Pharmaceutical Co., Ltd. patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 7

C07D - Heterocyclic Compounds 5

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 3

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 1

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 1

B43K - Implements FOR Writing OR Drawing 1

B43M - Bureau Accessories NOT Otherwise Provided FOR 1

A45D - Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring 1

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 1

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 1

Top 10 of 10 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

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

Sato Pharmaceutical Co., Ltd.'s lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 63.6% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #25,137 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sato Pharmaceutical Co., Ltd. against Sanrio Company, Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 42.5/100 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.