Where does Demby Development Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Demby Development Co., Ltd. ranks #20,996 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Demby Development Co., Ltd. hold?

Demby Development Co., Ltd. holds 13 US utility patents granted between 2018 and 2024, spanning 5 technology areas.

What is Demby Development Co., Ltd.'s Innovation Score?

Demby Development Co., Ltd. has an Innovation Score of 27.5 out of 100 (top 76% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Demby Development Co., Ltd.'s patent grant rate increasing or decreasing?

Demby Development Co., Ltd.'s recent grant velocity is +1100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Demby Development Co., Ltd.'s patents?

Demby Development Co., Ltd.'s patents average 9.5 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 Demby Development 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

Demby Development Co., Ltd.

Q: What technology areas does Demby Development Co., Ltd. focus on?

Demby Development Co., Ltd.'s top technology area is E06B (FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES) with 11 patents. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 5 technology areas, recorded in grant years 2018–2024. 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: E06B (FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Demby ranks #20,996 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 5 technology areas.

#20,996
of 50,000 US assignees by volume: Top 76%
by Innovation Score (27.5/100): 9.5
avg claims per patent: +1100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R20996 · Foreign Corporation #20,996 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #20,996/50,000
PHOTO-FINISH DASHAMERICA
CPC-NARROW E06B · 5 areas
INNOV-THIN 27.5/100
CLAIMS-PAR 9.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Dashamerica, 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
Demby Development · this assignee

28
3D Lighting Innovati… · lowest

7

What this shows Demby's Innovation Score is 27.5/100 (top 76% 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 Demby's grants concentrate

Demby Development Co., Ltd. is a focused PatentsView assignee: 5 CPC subclasses with 84.6% of grants classified under E06B (FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES). Peak complete grant year is 2021 (5 grants) versus a trough of 1 in 2018. By volume, Demby sits between Dashamerica, Inc. and Diesel S.p.a..

Dashamerica

13
DBG Group Investm…

13
Delta Galil Indus…

13
Delvaux Createur

13
DERQ

13
DH2I

13
Diamond GAME Ente…

13
Diesel S P A

13
Demby Development ◀

13

What this shows Demby holds 13 patents at rank #20,991, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Demby

By rank, the assignees closest to #20,991 in granted patent volume.

Leaders in E06B (Fixed OR Movable Closures FOR Openings IN Buildings)

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

Demby's Innovation Score vs. every tracked assignee

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

28 Top 76% higher than 24% of 50,000 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 · 2018–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Demby Development Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	7.7%
2020	2	15.4%
2021	5	38.5%
2022	1	7.7%
2023	2	15.4%
2024	2	15.4%

Which technologies does Demby Development Co., Ltd. patent most?

E06B - FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 11

E05B - LOCKS; ACCESSORIES THEREFOR; HANDCUFFS 6

E05C - BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 2

E05D - HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS 1

B62D - MOTOR VEHICLES; TRAILERS 1

Top 5 of 5 technology areas

Where it ranks

Overall rank by patents

#20,996

of 50,000 tracked assignees

Innovation Score

27.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.