Where does Sigma Phase, Corp. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sigma Phase, Corp. ranks #23,398 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 Sigma Phase, Corp. hold?

Sigma Phase, Corp. holds 12 US utility patents granted between 2019 and 2021, spanning 7 technology areas.

What is Sigma Phase, Corp.'s Innovation Score?

Sigma Phase, Corp. has an Innovation Score of 33.2 out of 100 (44th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sigma Phase, Corp. focus on?

Sigma Phase, Corp.'s top technology area is B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing) with 12 patents, ranking #63 of 1,218 assignees active in that subclass. Grants appear in 7 CPC subclasses total.

Is Sigma Phase, Corp.'s patent grant rate increasing or decreasing?

Sigma Phase, Corp.'s recent grant velocity is +200% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Sigma Phase, Corp.'s patents?

Sigma Phase, Corp.'s patents average 28.4 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 Sigma Phase, Corp. 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 US Corporation

Sigma Phase, Corp.

USPTO PatentsView assignee record - 12 granted patents across 7 technology areas, recorded in grant years 2019–2021. 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: B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Sigma ranks #23,398 of 49,997 tracked US assignees by granted-patent volume, with 12 patents across 7 technology areas.

#23,398
of 49,997 US assignees by volume: 44th percentile
by Innovation Score (33.2/100): 28.4
avg claims per patent: +200%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R23398 · US Corporation #23,398 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-DENSE · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 12 grants
MID-PACK #23,398/49,997
PHOTO-FINISH Shenzhen Zhanpusida…
CPC-NARROW B01F · 7 areas
INNOV-THIN 33.2/100
CLAIMS-DENSE 28.4 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +200% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shenzhen Zhanpusida Technology Co., 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 Sigma’s 33.2 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 8.9 pts (27%) Velocity 0.0 pts (0%) Breadth 9.4 pts (28%) Claim depth 15.0 pts (45%)

Qualcomm Incorporated · highest

85
Sigma Phase · this assignee

33
3D Lighting… · lowest

7

What this shows Sigma's Innovation Score is 33.2/100 (44th percentile 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 Sigma?

Each dot is one of Sigma’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). Sigma’s own 28.4 claims/patent is ABOVE the 16.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Sigma's grants concentrate

Sigma Phase, Corp. is a focused PatentsView assignee: 7 CPC subclasses with 100% of grants classified under B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing). Peak complete grant year is 2020 (7 grants) versus a trough of 2 in 2021. By volume, Sigma sits between Shenzhen Zhanpusida Technology Co., Ltd. and Sinher Technology Inc..

Shenzhen Zhanpusi…

12
Shin-kobe Electri…

12
Siemens S

12
Sight Machine

12
Signum Biosciences

12
Silergy

12
Silicate Studio H…

12
Sinher Technology

12
Sigma Phase ◀

12

What this shows Sigma holds 12 patents at rank #23,442, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sigma

By rank, the assignees closest to #23,442 in granted patent volume.

Leaders in B01F (Mixing)

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

Sigma's Innovation Score vs. every tracked assignee

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

33 44th percentile higher than 44% 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 · 2019–2021

Grants by year

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

View data table

Sigma Phase, Corp. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	3	25.0%
2020	7	58.3%
2021	2	16.7%

Which technologies does Sigma Phase, Corp. patent most?

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 12

A23G - COCOA; Cocoa Products, e.g. CHOCOLATE; Substitutes FOR Cocoa OR Cocoa PRODUCTS; CONFECTIONERY; Chewing GUM; ICE-CREAM; Preparation Thereof 12

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 10

F25D - REFRIGERATORS; Cold ROOMS; ICE-BOXES; Cooling OR Freezing Apparatus NOT Otherwise Provided FOR 3

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 1

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems 1

Top 7 of 7 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

Sigma Phase, Corp.'s patent record in context - here's where to go next.

Sigma Phase, Corp.'s lead technology class is B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing), 100% of its portfolio - see every assignee active in that class. Explore B01F
Ranked #23,398 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sigma Phase, Corp. against Shenzhen Zhanpusida Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.2/100 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.