Where does O2Micro Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), O2Micro Inc. ranks #4,096 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 O2Micro Inc. hold?

O2Micro Inc. holds 88 US utility patents granted between 2015 and 2025, spanning 25 technology areas.

What is O2Micro Inc.'s Innovation Score?

O2Micro Inc. has an Innovation Score of 50.7 out of 100 (top 12% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is O2Micro Inc.'s patent grant rate increasing or decreasing?

O2Micro Inc.'s recent grant velocity is -23% 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 O2Micro Inc.'s patents?

O2Micro Inc.'s patents average 19.2 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.

How is the O2Micro Inc. 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 US Corporation

O2Micro Inc.

Q: What technology areas does O2Micro Inc. focus on?

O2Micro Inc.'s top technology area is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy) with 47 patents, ranking #127 of 3,143 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

USPTO PatentsView assignee record - 88 granted patents across 25 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: H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, O2micro ranks #4,096 of 49,997 tracked US assignees by granted-patent volume, with 88 patents across 25 technology areas.

#4,096
of 49,997 US assignees by volume: Top 12%
by Innovation Score (50.7/100): 19.2
avg claims per patent: -23%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4096 · US Corporation #4,096 · 88 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 88 grants
TOP-DECILE #4,096/49,997
PHOTO-FINISH Luminex
CPC-FOCUS H02J · 25 areas
INNOV-PAR 50.7/100
CLAIMS-RICH 19.2 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -23% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Luminex 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.

How O2micro’s 50.7 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 15.5 pts (31%) Velocity 6.0 pts (12%) Breadth 17.7 pts (35%) Claim depth 11.5 pts (23%)

Qualcomm Incorporated · highest

85
Avast Software s r o · near

51
Biolinq Incorporated · near

51
KOC Universitesi · near

51
O2Micro · this assignee

51
FCA Italy S p A · near

51
3D Lighting… · lowest

7

What this shows O2micro's Innovation Score is 50.7/100 (top 12% 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 O2micro?

Each dot is one of O2micro’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). O2micro’s own 19.2 claims/patent is ABOVE the 14.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

O2micro vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where O2micro's grants concentrate

O2Micro Inc. is a focused PatentsView assignee: 25 CPC subclasses with 53.4% of grants classified under H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy). Peak complete grant year is 2015 (20 grants) versus a trough of 3 in 2019. By volume, O2micro sits between Luminex Corporation and Sunovion Pharmaceuticals Inc..

O2micro's three-year grant acceleration

From 2019–2021 to 2022–2024, O2Micro Inc. moved from 21 to 19 grants (0.91x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Luminex

88
Magna Seating

88
Nissin Kogyo

88
Netscout Systems

88
Purecircle Sdn Bhd

88
Qatar Foundation…

88
Ricoh Imaging

88
Sunovion Pharmace…

88
O2micro ◀

88

What this shows O2Micro holds 88 patents at rank #4,096, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near O2Micro

By rank, the assignees closest to #4,096 in granted patent volume.

Leaders in H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…)

Other assignees with the most granted patents in O2Micro's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for O2Micro, neither rank-band nor same-CPC leaders (those blocks stay above). In H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…), O2Micro ranks #127 of 3,143 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (51 here).

Avast Software s.r.o. 51 Biolinq Incorporated 51 KOC Universitesi 51 FCA Italy S.p.A. 51

Similar claim depth

Nearest assignees by average claims per patent (19.2 here).

Baldwin Filters, Inc. 19.2 avg RingCentral, Inc. 19.2 avg Exelis Inc. 19.2 avg Titan Medical Inc. 19.2 avg

O2micro's Innovation Score vs. every tracked assignee

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

51 Top 12% higher than 88% 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

O2Micro Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	20	22.7%
2016	13	14.8%
2017	8	9.1%
2018	4	4.5%
2019	3	3.4%
2020	8	9.1%
2021	10	11.4%
2022	6	6.8%
2023	5	5.7%
2024	8	9.1%
2025partial year	3	3.4%

Which technologies does O2Micro Inc. patent most?

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 47

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 29

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 22

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 18

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 17

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 14

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 14

H03K - Pulse Technique 8

Y02T - Climate Change Mitigation Technologies Related TO Transportation 8

G06F - Electric Digital Data Processing 3

B60L - Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl 3

H02H - Emergency Protective Circuit Arrangements 2

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 1

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 1

G05F - Systems FOR Regulating Electric OR Magnetic Variables 1

Top 15 of 25 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

O2Micro Inc.'s patent record in context - here's where to go next.

O2Micro Inc.'s lead technology class is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy), 53.4% of its portfolio - see every assignee active in that class. Explore H02J
Ranked #4,096 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare O2Micro Inc. against Luminex Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 50.7/100 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.