Where does Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. ranks #3,946 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 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. hold?

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. holds 92 US utility patents granted between 2015 and 2025, spanning 25 technology areas.

What is Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s Innovation Score?

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. has an Innovation Score of 39.9 out of 100 (top 37% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. focus on?

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s top technology area is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages) with 47 patents, ranking #18 of 793 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

Is Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s patent grant rate increasing or decreasing?

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s recent grant velocity is -54% 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 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s patents?

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s patents average 7.5 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 Tsann Kuen (Zhangzhou) Enterprise 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

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.

USPTO PatentsView assignee record - 92 granted patents across 25 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: A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Tsann ranks #3,946 of 49,997 tracked US assignees by granted-patent volume, with 92 patents across 25 technology areas.

#3,946
of 49,997 US assignees by volume: Top 37%
by Innovation Score (39.9/100): 7.5
avg claims per patent: -54%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3946 · Foreign Corporation #3,946 · 92 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 92 grants
TOP-DECILE #3,946/49,997
PHOTO-FINISH Saucony
CPC-FOCUS A47J · 25 areas
INNOV-THIN 39.9/100
CLAIMS-SPARSE 7.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -54% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Saucony, 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.

How Tsann’s 39.9 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 15.7 pts (39%) Velocity 2.1 pts (5%) Breadth 17.7 pts (44%) Claim depth 4.5 pts (11%)

Qualcomm Incorporated · highest

85
FeraDyne Outdoors · near

40
Sitting MAN · near

40
Thermo Fisher… · near

40
Tsann Kuen (Zhangzho… · this assignee

40
Wind River Systems · near

40
3D Lighting… · lowest

7

What this shows Tsann's Innovation Score is 39.9/100 (top 37% 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 Tsann?

Each dot is one of Tsann’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). Tsann’s own 7.5 claims/patent is at or below the 14.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Tsann's grants concentrate

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. is a focused PatentsView assignee: 25 CPC subclasses with 51.1% of grants classified under A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages). Peak complete grant year is 2017 (19 grants) versus a trough of 1 in 2023. By volume, Tsann sits between Saucony, Inc. and Watts Regulator Co..

Tsann's three-year grant acceleration

From 2019–2021 to 2022–2024, Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. moved from 32 to 10 grants (0.31x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Saucony

92
Schreder

92
Shanghai Yanfeng…

92
Shin-etsu Polymer

92
UPL

92
Veeco Instruments

92
Videojet

92
Watts Regulator

92
Tsann Kuen (Zhang… ◀

92

What this shows Tsann holds 92 patents at rank #3,946, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tsann

By rank, the assignees closest to #3,946 in granted patent volume.

Leaders in A47J (Kitchen Equipment)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Tsann, neither rank-band nor same-CPC leaders (those blocks stay above). In A47J (Kitchen Equipment), Tsann ranks #18 of 793 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (40 here).

Sitting MAN, LLC 40 Wind River Systems, Inc. 40 Thermo Fisher Scientific Baltics UAB 40 FeraDyne Outdoors, LLC 40

Similar claim depth

Nearest assignees by average claims per patent (7.5 here).

IP Holding Company LLC 7.5 avg American Greetings Corporation 7.5 avg PassiveLogic, Inc. 7.5 avg Sakata INX Corporation 7.5 avg

Tsann's Innovation Score vs. every tracked assignee

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

40 Top 37% higher than 63% 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

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	9	9.8%
2016	11	12.0%
2017	19	20.7%
2018	8	8.7%
2019	14	15.2%
2020	14	15.2%
2021	4	4.3%
2022	7	7.6%
2023	1	1.1%
2024	2	2.2%
2025partial year	3	3.3%

Which technologies does Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. patent most?

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 47

D06F - Laundering, Drying, Ironing, Pressing OR Folding Textile Articles 10

A21B - Bakers' OVENS; Machines OR Equipment FOR Baking 7

A21C - Machines OR Equipment FOR Making OR Processing DOUGHS; Handling Baked Articles Made From Dough 5

A21D - Treatment OF Flour OR Dough FOR Baking, e.g. BY Addition OF MATERIALS; BAKING; Bakery Products 4

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 3

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 2

A23G - COCOA; Cocoa Products, e.g. CHOCOLATE; Substitutes FOR Cocoa OR Cocoa PRODUCTS; CONFECTIONERY; Chewing GUM; ICE-CREAM; Preparation Thereof 2

E05D - Hinges OR Suspension Devices FOR Doors, Windows OR Wings 2

B02C - Crushing, Pulverising, OR Disintegrating IN GENERAL; Milling Grain 2

F22B - Methods OF Steam GENERATION; Steam Boilers 2

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

E05Y - Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Details, Accessories, Auxiliary Operations NOT Otherwise Provided FOR, Application Thereof 1

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 1

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 1

Top 15 of 25 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

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s patent record in context - here's where to go next.

Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.'s lead technology class is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages), 51.1% of its portfolio - see every assignee active in that class. Explore A47J
Ranked #3,946 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. against Saucony, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.9/100 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.