Where does Hangzhou Great Star Tools Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hangzhou Great Star Tools Co., Ltd. ranks #5,013 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 Hangzhou Great Star Tools Co., Ltd. hold?

Hangzhou Great Star Tools Co., Ltd. holds 69 US utility patents granted between 2015 and 2024, spanning 37 technology areas.

What is Hangzhou Great Star Tools Co., Ltd.'s Innovation Score?

Hangzhou Great Star Tools Co., Ltd. has an Innovation Score of 45.6 out of 100 (top 23% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hangzhou Great Star Tools Co., Ltd.'s patent grant rate increasing or decreasing?

Hangzhou Great Star Tools Co., Ltd.'s recent grant velocity is -40% 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 Hangzhou Great Star Tools Co., Ltd.'s patents?

Hangzhou Great Star Tools Co., Ltd.'s patents average 13.9 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 Hangzhou Great Star Tools 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

Hangzhou Great Star Tools Co., Ltd.

Q: What technology areas does Hangzhou Great Star Tools Co., Ltd. focus on?

Hangzhou Great Star Tools Co., Ltd.'s top technology area is B25B (Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding) with 29 patents. Grants appear in 37 CPC subclasses total.

USPTO PatentsView assignee record - 69 granted patents across 37 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: B25B (Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hangzhou ranks #5,013 of 49,997 tracked US assignees by granted-patent volume, with 69 patents across 37 technology areas.

#5,013
of 49,997 US assignees by volume: Top 23%
by Innovation Score (45.6/100): 13.9
avg claims per patent: -40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5013 · Foreign Corporation #5,013 · 69 grants

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

GRANTS-SMALL 69 grants
UPPER-Q #5,013/49,997
PHOTO-FINISH Fourstar Group
CPC-FOCUS B25B · 37 areas
INNOV-PAR 45.6/100
CLAIMS-RICH 13.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Fourstar Group 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
American Future… · near

46
ATC · near

46
Hangzhou Great Star… · this assignee

46
MacDermid Enthone · near

46
Shanghai Micro… · near

46
3D Lighting… · lowest

7

What this shows Hangzhou's Innovation Score is 45.6/100 (top 23% 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.

Where Hangzhou's grants concentrate

Hangzhou Great Star Tools Co., Ltd. is a focused PatentsView assignee: 37 CPC subclasses with 42% of grants classified under B25B (Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding). Peak complete grant year is 2019 (15 grants) versus a trough of 1 in 2024. By volume, Hangzhou sits between Fourstar Group Inc. and Intouch Technologies, Inc..

Hangzhou's three-year grant acceleration

From 2019–2021 to 2022–2024, Hangzhou Great Star Tools Co., Ltd. moved from 35 to 6 grants (0.17x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Fourstar Group

69
Gravic

69
GRÜNenthal

69
Guangzhou Shirui

69
Hanwha Solutions

69
Hyperconnect

69
Informatica

69
Intouch

69
Hangzhou Great St… ◀

69

What this shows Hangzhou holds 69 patents at rank #5,013, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hangzhou

By rank, the assignees closest to #5,013 in granted patent volume.

Leaders in B25B (Tools OR Bench Devices)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (46 here).

Shanghai Micro Electronics Equipment (GROUP) Co., Ltd 46 MacDermid Enthone Inc. 46 ATC Technologies, LLC 46 American Future Technology 46

Similar claim depth

Nearest assignees by average claims per patent (13.9 here).

Vodafone GMBH 13.9 avg Heraeus Quarzglas GMBH & Co. KG 13.9 avg Amdocs Development Limited 13.9 avg Andreas Stihl AG & Co. KG 13.9 avg

Hangzhou's Innovation Score vs. every tracked assignee

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

46 Top 23% higher than 77% 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

Hangzhou Great Star Tools Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	5.8%
2016	4	5.8%
2017	14	20.3%
2018	6	8.7%
2019	15	21.7%
2020	10	14.5%
2021	10	14.5%
2022	3	4.3%
2023	2	2.9%
2024	1	1.4%

Which technologies does Hangzhou Great Star Tools Co., Ltd. patent most?

B25B - Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding 29

B26B - Hand-held Cutting Tools NOT Otherwise Provided FOR 19

B25G - Handles FOR Hand Implements 7

B25F - Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR 5

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 4

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 4

F21L - Lighting Devices OR Systems Thereof, Being Portable OR Specially Adapted FOR Transportation 4

B23D - PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; Like Operations FOR Working Metal BY Removing Material, NOT Otherwise Provided FOR 3

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 3

G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry 3

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 3

H02G - Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines 2

B26D - CUTTING; Details Common TO Machines FOR Perforating, Punching, Cutting-out, Stamping-out OR Severing 2

C22C - Alloys 2

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 2

Top 15 of 37 technology areas

Where it ranks

Overall rank by patents

#5,013

of 49,997 tracked assignees

Innovation Score

45.6 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

Hangzhou Great Star Tools Co., Ltd.'s patent record in context - here's where to go next.

Hangzhou Great Star Tools Co., Ltd.'s lead technology class is B25B (Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding), 42% of its portfolio - see every assignee active in that class. Explore B25B
Ranked #5,013 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hangzhou Great Star Tools Co., Ltd. against Fourstar Group Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.6/100 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.