Where does Hsien Chang Optical Industrial Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hsien Chang Optical Industrial Co., Ltd. ranks #12,477 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 Hsien Chang Optical Industrial Co., Ltd. hold?

Hsien Chang Optical Industrial Co., Ltd. holds 24 US utility patents granted between 2015 and 2025, spanning 2 technology areas.

What is Hsien Chang Optical Industrial Co., Ltd.'s Innovation Score?

Hsien Chang Optical Industrial Co., Ltd. has an Innovation Score of 20.5 out of 100 (7th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hsien Chang Optical Industrial Co., Ltd.'s patent grant rate increasing or decreasing?

Hsien Chang Optical Industrial Co., Ltd.'s recent grant velocity is -56% 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 Hsien Chang Optical Industrial Co., Ltd.'s patents?

Hsien Chang Optical Industrial Co., Ltd.'s patents average 1.8 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 Hsien Chang Optical Industrial 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

Hsien Chang Optical Industrial Co., Ltd.

Q: What technology areas does Hsien Chang Optical Industrial Co., Ltd. focus on?

Hsien Chang Optical Industrial Co., Ltd.'s top technology area is G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses) with 8 patents, ranking #78 of 397 assignees active in that subclass. Grants appear in 2 CPC subclasses total.

USPTO PatentsView assignee record - 24 granted patents across 2 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: G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hsien ranks #12,477 of 49,997 tracked US assignees by granted-patent volume, with 24 patents across 2 technology areas.

#12,477
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.5/100): 1.8
avg claims per patent: -56%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12477 · Foreign Corporation #12,477 · 24 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 24 grants
UPPER-Q #12,477/49,997
PHOTO-FINISH Hart InterCivic
CPC-NARROW G02C · 2 areas
INNOV-THIN 20.5/100
CLAIMS-SPARSE 1.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -56% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hart InterCivic, 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 Hsien’s 20.5 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 11.1 pts (54%) Velocity 3.3 pts (16%) Breadth 5.0 pts (24%) Claim depth 1.1 pts (5%)

Qualcomm Incorporated · highest

85
Hsien Chang Optical… · this assignee

21
3D Lighting… · lowest

7

What this shows Hsien's Innovation Score is 20.5/100 (7th 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 Hsien?

Each dot is one of Hsien’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). Hsien’s own 1.8 claims/patent is at or below the 11.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hsien's grants concentrate

Hsien Chang Optical Industrial Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 33.3% of grants classified under G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses). Peak complete grant year is 2017 (6 grants) versus a trough of 1 in 2020. By volume, Hsien sits between Hokwang Industries Co., Ltd. and Hyland Switzerland Sarl.

Hsien's three-year grant acceleration

Hsien Chang Optical Industrial Co., Ltd. shows 3 grants in 2022–2024 against only 6 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Hokwang Industries

24
Honda

24
Hortival Diffusio…

24
Hoya Optical Labs…

24
Hubtex Maschinenb…

24
Hart Intercivic

24
Huntington Ingall…

24
Hyland Switzerlan…

24
Hsien Chang Optic… ◀

24

What this shows Hsien holds 24 patents at rank #12,477, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hsien

By rank, the assignees closest to #12,477 in granted patent volume.

Leaders in G02C (Spectacles)

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

Hsien's Innovation Score vs. every tracked assignee

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

21 7th percentile higher than 7% 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

Hsien Chang Optical Industrial Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	12.5%
2016	2	8.3%
2017	6	25.0%
2018	3	12.5%
2019	2	8.3%
2020	1	4.2%
2021	3	12.5%
2022	1	4.2%
2024	2	8.3%
2025partial year	1	4.2%

Which technologies does Hsien Chang Optical Industrial Co., Ltd. patent most?

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses 8

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 2

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

Hsien Chang Optical Industrial Co., Ltd.'s patent record in context - here's where to go next.

Hsien Chang Optical Industrial Co., Ltd.'s lead technology class is G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses), 33.3% of its portfolio - see every assignee active in that class. Explore G02C
Ranked #12,477 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hsien Chang Optical Industrial Co., Ltd. against Hokwang Industries Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.5/100 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.