Where does Sakai Chemical Industry Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sakai Chemical Industry Co., Ltd. ranks #5,398 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 Sakai Chemical Industry Co., Ltd. hold?

Sakai Chemical Industry Co., Ltd. holds 64 US utility patents granted between 2015 and 2025, spanning 47 technology areas.

What is Sakai Chemical Industry Co., Ltd.'s Innovation Score?

Sakai Chemical Industry Co., Ltd. has an Innovation Score of 48.0 out of 100 (top 17% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sakai Chemical Industry Co., Ltd. focus on?

Sakai Chemical Industry Co., Ltd.'s top technology area is C01P (Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds) with 41 patents, ranking #20 of 939 assignees active in that subclass. Grants appear in 47 CPC subclasses total.

Is Sakai Chemical Industry Co., Ltd.'s patent grant rate increasing or decreasing?

Sakai Chemical Industry Co., Ltd.'s recent grant velocity is -32% 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 Sakai Chemical Industry Co., Ltd.'s patents?

Sakai Chemical Industry Co., Ltd.'s patents average 9.8 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 Sakai Chemical Industry 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

Sakai Chemical Industry Co., Ltd.

USPTO PatentsView assignee record - 64 granted patents across 47 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: C01P (Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sakai ranks #5,398 of 49,997 tracked US assignees by granted-patent volume, with 64 patents across 47 technology areas.

#5,398
of 49,997 US assignees by volume: Top 17%
by Innovation Score (48.0/100): 9.8
avg claims per patent: -32%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5398 · Foreign Corporation #5,398 · 64 grants

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

GRANTS-SMALL 64 grants
UPPER-Q #5,398/49,997
PHOTO-FINISH Rubbermaid Incorpora…
CPC-WIDE C01P · 47 areas
INNOV-PAR 48.0/100
CLAIMS-PAR 9.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -32% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Rubbermaid Incorporated (±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 Sakai’s 48.0 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 14.4 pts (30%) Velocity 3.5 pts (7%) Breadth 24.2 pts (50%) Claim depth 5.9 pts (12%)

Qualcomm Incorporated · highest

85
BioAtla · near

48
Sakai Chemical… · this assignee

48
Canon Finetech Nisca · near

48
Verisign · near

48
Xyzprinting · near

48
3D Lighting… · lowest

7

What this shows Sakai's Innovation Score is 48.0/100 (top 17% 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 Sakai?

Each dot is one of Sakai’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). Sakai’s own 9.8 claims/patent is at or below the 14.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Sakai's grants concentrate

Sakai Chemical Industry Co., Ltd. is a focused PatentsView assignee: 47 CPC subclasses with 64.1% of grants classified under C01P (Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds). Peak complete grant year is 2016 (13 grants) versus a trough of 1 in 2019. By volume, Sakai sits between Rubbermaid Incorporated and Solo Brands, LLC.

Sakai's three-year grant acceleration

Sakai Chemical Industry Co., Ltd. shows 9 grants in 2022–2024 against only 17 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.

Rubbermaid Incorp…

64
Senvion SE

64
Shenzhen Zhengtu…

64
Sio2 Medical Prod…

64
Sanctuary Cogniti…

64
Seagen

64
Sensus Spectrum

64
Solo Brands

64
Sakai Chemical In… ◀

64

What this shows Sakai holds 64 patents at rank #5,400, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sakai

By rank, the assignees closest to #5,400 in granted patent volume.

Leaders in C01P (Indexing Scheme Relating TO Structural AND Physical Aspec…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sakai, neither rank-band nor same-CPC leaders (those blocks stay above). In C01P (Indexing Scheme Relating TO Structural AND Physical Aspec…), Sakai ranks #20 of 939 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (48 here).

Xyzprinting, Inc. 48 Canon Finetech Nisca Inc. 48 Verisign, Inc. 48 BioAtla, Inc. 48

Similar claim depth

Nearest assignees by average claims per patent (9.8 here).

Denso TEN Limited 9.8 avg Toshiba Infrastructure Systems & Solutions Corporation 9.8 avg Seiko Instruments Inc. 9.8 avg Sumitomo Precision Products Co., Ltd. 9.8 avg

Sakai's Innovation Score vs. every tracked assignee

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

48 Top 17% higher than 83% 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

Sakai Chemical Industry Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	10	15.6%
2016	13	20.3%
2017	5	7.8%
2018	8	12.5%
2019	1	1.6%
2020	4	6.3%
2021	12	18.8%
2022	4	6.3%
2023	1	1.6%
2024	4	6.3%
2025partial year	2	3.1%

Which technologies does Sakai Chemical Industry Co., Ltd. patent most?

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 41

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 29

C09C - Treatment OF Inorganic Materials, Other Than Fibrous Fillers, TO Enhance Their Pigmenting OR Filling Properties ; Preparation OF Carbon Black ; ; Preparation OF Inorganic Materials Which ARE NO Single Chemical Compounds AND Which ARE Mainly Used AS Pigments OR Fillers 24

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 23

A61Q - Specific USE OF Cosmetics OR Similar Toiletry Preparations 20

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 20

C08L - Compositions OF Macromolecular Compounds 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 12

C01F - Compounds OF THE Metals Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium, OR OF THE Rare-earth Metals 11

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 9

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 9

Y10T - Technical Subjects Covered BY Former US Classification 8

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 6

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 6

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 6

Top 15 of 47 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

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

Sakai Chemical Industry Co., Ltd.'s lead technology class is C01P (Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds), 64.1% of its portfolio - see every assignee active in that class. Explore C01P
Ranked #5,398 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sakai Chemical Industry Co., Ltd. against Rubbermaid Incorporated, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 48.0/100 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.