Where does Grantec (Xiamen) Co., Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Grantec (Xiamen) Co., Ltd ranks #19,833 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 Grantec (Xiamen) Co., Ltd hold?

Grantec (Xiamen) Co., Ltd holds 14 US utility patents granted between 2016 and 2021, spanning 4 technology areas.

What is Grantec (Xiamen) Co., Ltd's Innovation Score?

Grantec (Xiamen) Co., Ltd has an Innovation Score of 21.6 out of 100 (9th 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 Grantec (Xiamen) Co., Ltd focus on?

Grantec (Xiamen) Co., Ltd's top technology area is A47C (CHAIRS; SOFAS; Beds) with 13 patents, ranking #55 of 728 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Grantec (Xiamen) Co., Ltd's patent grant rate increasing or decreasing?

Grantec (Xiamen) Co., Ltd's recent grant velocity is -25% 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 Grantec (Xiamen) Co., Ltd's patents?

Grantec (Xiamen) Co., Ltd's patents average 8.7 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 Grantec (Xiamen) 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

Grantec (Xiamen) Co., Ltd

USPTO PatentsView assignee record - 14 granted patents across 4 technology areas, recorded in grant years 2016–2021. 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: A47C (CHAIRS; SOFAS; Beds).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Grantec ranks #19,833 of 49,997 tracked US assignees by granted-patent volume, with 14 patents across 4 technology areas.

#19,833
of 49,997 US assignees by volume: 9th percentile
by Innovation Score (21.6/100): 8.7
avg claims per patent: -25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R19833 · Foreign Corporation #19,833 · 14 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 14 grants
MID-PACK #19,833/49,997
PHOTO-FINISH Gmedelaware 2
CPC-NARROW A47C · 4 areas
INNOV-THIN 21.6/100
CLAIMS-PAR 8.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Gmedelaware 2 LLC (±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 Grantec’s 21.6 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 9.4 pts (43%) Velocity 0.0 pts (0%) Breadth 7.1 pts (33%) Claim depth 5.2 pts (24%)

Qualcomm Incorporated · highest

85
Grantec (Xiamen) · this assignee

22
3D Lighting… · lowest

7

What this shows Grantec's Innovation Score is 21.6/100 (9th 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 Grantec?

Each dot is one of Grantec’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). Grantec’s own 8.7 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.

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

Where Grantec's grants concentrate

Grantec (Xiamen) Co., Ltd is a focused PatentsView assignee: 4 CPC subclasses with 92.9% of grants classified under A47C (CHAIRS; SOFAS; Beds). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2019. By volume, Grantec sits between Gmedelaware 2 LLC and Grid Logic Incorporated.

Gmedelaware 2

14
Gneuss

14
Graf Synergy S r l

14
Granite Industries

14
Gravystack

14
Greenmantra Recyc…

14
Gregory A Pearson

14
Grid Logic Incorp…

14
Grantec (Xiamen) ◀

14

What this shows Grantec holds 14 patents at rank #19,835, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Grantec

By rank, the assignees closest to #19,835 in granted patent volume.

Leaders in A47C (Chairs)

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

Grantec's Innovation Score vs. every tracked assignee

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

22 9th percentile higher than 9% 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 · 2016–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Grantec (Xiamen) Co., Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	3	21.4%
2017	2	14.3%
2018	2	14.3%
2019	1	7.1%
2020	4	28.6%
2021	2	14.3%

Which technologies does Grantec (Xiamen) Co., Ltd patent most?

A47C - CHAIRS; SOFAS; Beds 13

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 6

G10H - Electrophonic Musical INSTRUMENTS; Instruments IN Which THE Tones ARE Generated BY Electromechanical Means OR Electronic Generators, OR IN Which THE Tones ARE Synthesised From A Data Store 1

G10D - Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise Provided FOR 1

Top 4 of 4 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

Grantec (Xiamen) Co., Ltd's patent record in context - here's where to go next.

Grantec (Xiamen) Co., Ltd's lead technology class is A47C (CHAIRS; SOFAS; Beds), 92.9% of its portfolio - see every assignee active in that class. Explore A47C
Ranked #19,833 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Grantec (Xiamen) Co., Ltd against Gmedelaware 2 LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.6/100 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.