Where does Ningbo Hengjian Photoelectron Technology Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ningbo Hengjian Photoelectron Technology Co., Ltd. ranks #49,104 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 Ningbo Hengjian Photoelectron Technology Co., Ltd. hold?

Ningbo Hengjian Photoelectron Technology Co., Ltd. holds 5 US utility patents granted between 2016 and 2019, spanning 2 technology areas.

What is Ningbo Hengjian Photoelectron Technology Co., Ltd.'s Innovation Score?

Ningbo Hengjian Photoelectron Technology Co., Ltd. has an Innovation Score of 13.1 out of 100 (2nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ningbo Hengjian Photoelectron Technology Co., Ltd.'s patent grant rate increasing or decreasing?

Ningbo Hengjian Photoelectron Technology Co., Ltd.'s recent grant velocity is -100% 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 Ningbo Hengjian Photoelectron Technology Co., Ltd.'s patents?

Ningbo Hengjian Photoelectron Technology Co., Ltd.'s patents average 3.2 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Ningbo Hengjian Photoelectron Technology Co., Ltd.

Q: What technology areas does Ningbo Hengjian Photoelectron Technology Co., Ltd. focus on?

Ningbo Hengjian Photoelectron Technology Co., Ltd.'s top technology area is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors) with 1 patents, ranking #732 of 1,094 assignees active in that subclass. Grants appear in 2 CPC subclasses total.

Q: How is the Ningbo Hengjian Photoelectron Technology 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 PatentsView assignee record - 5 granted patents across 2 technology areas, recorded in grant years 2016–2019. 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: F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ningbo ranks #49,104 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 2 technology areas.

#49,104
of 49,997 US assignees by volume: 2nd percentile
by Innovation Score (13.1/100): 3.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49104 · Foreign Corporation #49,104 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,104/49,997
PHOTO-FINISH Ningbo CStar Import…
CPC-NARROW F21S · 2 areas
INNOV-LOW 13.1/100
CLAIMS-SPARSE 3.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ningbo CStar Import & Export 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.

How Ningbo’s 13.1 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 6.2 pts (47%) Velocity 0.0 pts (0%) Breadth 5.0 pts (38%) Claim depth 1.9 pts (15%)

Qualcomm Incorporated · highest

85
Ningbo Hengjian… · this assignee

13
3D Lighting… · lowest

7

What this shows Ningbo's Innovation Score is 13.1/100 (2nd 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 Ningbo?

Each dot is one of Ningbo’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). Ningbo’s own 3.2 claims/patent is ABOVE the 1.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Ningbo's grants concentrate

Ningbo Hengjian Photoelectron Technology Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 20% of grants classified under F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2016. By volume, Ningbo sits between Ningbo CStar Import & Export Co., Ltd. and Ningbo Jiangyong Plastic Industrial Tech Co., Ltd.

Ningbo Cstar Impo…

5
Ningbo Exquisite…

5
Ningbo Gongyi Ind…

5
Ningbo Hengbo Tel…

5
Ningbo Homebeauty…

5
Ningbo Hongdu Mod…

5
Ningbo Huige Outd…

5
Ningbo Jiangyong…

5
Ningbo Hengjian P… ◀

5

What this shows Ningbo holds 5 patents at rank #49,184, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ningbo

By rank, the assignees closest to #49,184 in granted patent volume.

Leaders in F21S (Non-portable Lighting Devices)

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

Ningbo's Innovation Score vs. every tracked assignee

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

13 2nd percentile higher than 2% 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 · 2016–2019

Grants by year

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

View data table

Ningbo Hengjian Photoelectron Technology Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	20.0%
2017	1	20.0%
2018	2	40.0%
2019	1	20.0%

Which technologies does Ningbo Hengjian Photoelectron Technology Co., Ltd. patent most?

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 1

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 1

Top 2 of 2 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

Ningbo Hengjian Photoelectron Technology Co., Ltd.'s patent record in context - here's where to go next.

Ningbo Hengjian Photoelectron Technology Co., Ltd.'s lead technology class is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors), 20% of its portfolio - see every assignee active in that class. Explore F21S
Ranked #49,104 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ningbo Hengjian Photoelectron Technology Co., Ltd. against Ningbo CStar Import & Export Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 13.1/100 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.