Where does Zhejiang Sunny Optical Co., Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Zhejiang Sunny Optical Co., Ltd ranks #2,070 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 Zhejiang Sunny Optical Co., Ltd hold?

Zhejiang Sunny Optical Co., Ltd holds 192 US utility patents granted between 2019 and 2025, spanning 6 technology areas.

What is Zhejiang Sunny Optical Co., Ltd's Innovation Score?

Zhejiang Sunny Optical Co., Ltd has an Innovation Score of 49.5 out of 100 (top 15% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Zhejiang Sunny Optical Co., Ltd focus on?

Zhejiang Sunny Optical Co., Ltd's top technology area is G02B (Optical Elements, Systems OR Apparatus) with 191 patents. Grants appear in 6 CPC subclasses total.

Is Zhejiang Sunny Optical Co., Ltd's patent grant rate increasing or decreasing?

Zhejiang Sunny Optical Co., Ltd's recent grant velocity is +18700% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Zhejiang Sunny Optical Co., Ltd's patents?

Zhejiang Sunny Optical Co., Ltd's patents average 17.1 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 Zhejiang Sunny Optical 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

Zhejiang Sunny Optical Co., Ltd

USPTO PatentsView assignee record - 192 granted patents across 6 technology areas, recorded in grant years 2019–2025. 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: G02B (Optical Elements, Systems OR Apparatus).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Zhejiang ranks #2,070 of 49,997 tracked US assignees by granted-patent volume, with 192 patents across 6 technology areas.

#2,070
of 49,997 US assignees by volume: Top 15%
by Innovation Score (49.5/100): 17.1
avg claims per patent: +18700%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2070 · Foreign Corporation #2,070 · 192 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 192 grants
TOP-DECILE #2,070/49,997
PHOTO-FINISH Quantum
CPC-NARROW G02B · 6 areas
INNOV-PAR 49.5/100
CLAIMS-RICH 17.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +18700% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Quantum Corporation (±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
Corcept Therapeutics… · near

50
Daido Steel · near

50
Hyosung Heavy… · near

50
National University… · near

50
Zhejiang Sunny Optical · this assignee

50
3D Lighting… · lowest

7

What this shows Zhejiang's Innovation Score is 49.5/100 (top 15% 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 Zhejiang's grants concentrate

Zhejiang Sunny Optical Co., Ltd is a focused PatentsView assignee: 6 CPC subclasses with 99.5% of grants classified under G02B (Optical Elements, Systems OR Apparatus). Peak complete grant year is 2023 (63 grants) versus a trough of 1 in 2019. By volume, Zhejiang sits between Quantum Corporation and Sanken Electric Co., Ltd..

Zhejiang's three-year grant acceleration

From 2019–2021 to 2022–2024, Zhejiang Sunny Optical Co., Ltd moved from 66 to 123 grants (1.86x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #253. See the growth leaderboard.

Quantum

192
Safran Helicopter…

192
Sagemcom Broadban…

192
Saint-gobain Abra…

192
Zhejiang Sunny Op… ◀

192
Array Biopharma

191
Isco International

191
Nortonlifelock

191
Sanken Electric

191

What this shows Zhejiang holds 192 patents at rank #2,070, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Zhejiang

By rank, the assignees closest to #2,070 in granted patent volume.

Leaders in G02B (Optical Elements)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Zhejiang, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (50 here).

Corcept Therapeutics Incorporated 50 Daido Steel Co., Ltd. 50 Hyosung Heavy Industries Corporation 50 National University Corporation Ehime University 50

Similar claim depth

Nearest assignees by average claims per patent (17.1 here).

The Regents of the University of Colorado 17.1 avg Illumina, Inc. 17.1 avg Texas Tech University System 17.1 avg New Jersey Institute of Technology 17.1 avg

Zhejiang's Innovation Score vs. every tracked assignee

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

50 Top 15% higher than 85% 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 · 2019–2025

Grants by year

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

View data table

Zhejiang Sunny Optical Co., Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	0.5%
2020	5	2.6%
2021	60	31.3%
2022	29	15.1%
2023	63	32.8%
2024	31	16.1%
2025partial year	3	1.6%

Which technologies does Zhejiang Sunny Optical Co., Ltd patent most?

G02B - Optical Elements, Systems OR Apparatus 191

H04N - Pictorial Communication, e.g. Television 15

G03B - Apparatus OR Arrangements FOR Taking Photographs OR FOR Projecting OR Viewing THEM; Apparatus OR Arrangements Employing Analogous Techniques Using Waves Other Than Optical WAVES; Accessories Therefor 2

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 1

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 1

G06V - Image OR Video Recognition OR Understanding 1

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#2,070

of 49,997 tracked assignees

Innovation Score

49.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Zhejiang Sunny Optical Co., Ltd's patent record in context - here's where to go next.

Zhejiang Sunny Optical Co., Ltd's lead technology class is G02B (Optical Elements, Systems OR Apparatus), 99.5% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #2,070 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Zhejiang Sunny Optical Co., Ltd against Quantum Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.5/100 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.