Where does Hangzhou Hangke Optoelectronics Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hangzhou Hangke Optoelectronics Co., Ltd. ranks #22,689 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 Hangzhou Hangke Optoelectronics Co., Ltd. hold?

Hangzhou Hangke Optoelectronics Co., Ltd. holds 12 US utility patents granted between 2021 and 2025, spanning 8 technology areas.

What is Hangzhou Hangke Optoelectronics Co., Ltd.'s Innovation Score?

Hangzhou Hangke Optoelectronics Co., Ltd. has an Innovation Score of 45.1 out of 100 (top 24% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hangzhou Hangke Optoelectronics Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Hangzhou Hangke Optoelectronics Co., Ltd..

What does claim depth mean for Hangzhou Hangke Optoelectronics Co., Ltd.'s patents?

Hangzhou Hangke Optoelectronics Co., Ltd.'s patents average 10.3 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 Hangke Optoelectronics 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 Hangke Optoelectronics Co., Ltd.

Q: What technology areas does Hangzhou Hangke Optoelectronics Co., Ltd. focus on?

Hangzhou Hangke Optoelectronics Co., Ltd.'s top technology area is F21K (NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR) with 7 patents. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 8 technology areas, recorded in grant years 2021–2025. 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: F21K (NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GEN).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hangzhou ranks #22,689 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 8 technology areas.

#22,689
of 50,000 US assignees by volume: Top 24%
by Innovation Score (45.1/100): 10.3
avg claims per patent

USPTO PatentsView assignee plate

Corpus R22689 · Foreign Corporation #22,689 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 12 grants
MID-PACK #22,689/50,000
PHOTO-FINISH HAIER ASIA
CPC-NARROW F21K · 8 areas
INNOV-PAR 45.1/100
CLAIMS-PAR 10.3 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Haier ASIA 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.

Qualcomm Incorporated · highest

85
Hangzhou Hangke Opto… · this assignee

45
3D Lighting Innovati… · lowest

7

What this shows Hangzhou's Innovation Score is 45.1/100 (top 24% 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 Hangke Optoelectronics Co., Ltd. is a focused PatentsView assignee: 8 CPC subclasses with 58.3% of grants classified under F21K (NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GEN). Peak complete grant year is 2022 (5 grants) versus a trough of 1 in 2021. By volume, Hangzhou sits between Haier ASIA Co., Ltd. and HEB Grocery Company, Lp.

Haier ASIA

12
Handi Quilter

12
Hangzhou Bensheng…

12
Hangzhou Golden S…

12
Hangzhou Juxing I…

12
Hangzhou Yushu Te…

12
HEAL Systems

12
HEB Grocery

12
Hangzhou Hangke O… ◀

12

What this shows Hangzhou holds 12 patents at rank #22,684, 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 #22,684 in granted patent volume.

Leaders in F21K (Non-electric Light Sources Using Luminescence)

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

Hangzhou's Innovation Score vs. every tracked assignee

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

45 Top 24% higher than 76% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Hangzhou Hangke Optoelectronics Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	1	8.3%
2022	5	41.7%
2023	3	25.0%
2024	2	16.7%
2025partial year	1	8.3%

Which technologies does Hangzhou Hangke Optoelectronics Co., Ltd. patent most?

F21K - NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR 7

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 7

F21V - FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 6

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 3

H10H - INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS 3

F21S - NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS 2

H05B - ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL 1

Y02B - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS 1

Top 8 of 8 technology areas

Where it ranks

Overall rank by patents

#22,689

of 50,000 tracked assignees

Innovation Score

45.1 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.