Where does SII Semiconductor Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), SII Semiconductor Corporation ranks #2,384 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 SII Semiconductor Corporation hold?

SII Semiconductor Corporation holds 164 US utility patents granted between 2016 and 2019, spanning 43 technology areas.

What is SII Semiconductor Corporation's Innovation Score?

SII Semiconductor Corporation has an Innovation Score of 44.4 out of 100 (top 26% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is SII Semiconductor Corporation's patent grant rate increasing or decreasing?

SII Semiconductor Corporation'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 SII Semiconductor Corporation's patents?

SII Semiconductor Corporation's patents average 5.9 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 SII Semiconductor Corporation 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

SII Semiconductor Corporation

Q: What technology areas does SII Semiconductor Corporation focus on?

SII Semiconductor Corporation's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 40 patents. Grants appear in 43 CPC subclasses total.

USPTO PatentsView assignee record - 164 granted patents across 43 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: H01L (Semiconductor Devices NOT Covered BY Class H10).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, SII ranks #2,384 of 49,997 tracked US assignees by granted-patent volume, with 164 patents across 43 technology areas.

#2,384
of 49,997 US assignees by volume: Top 26%
by Innovation Score (44.4/100): 5.9
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2384 · Foreign Corporation #2,384 · 164 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 164 grants
TOP-DECILE #2,384/49,997
PHOTO-FINISH Liveperson
CPC-WIDE H01L · 43 areas
INNOV-PAR 44.4/100
CLAIMS-SPARSE 5.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Liveperson, 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.

Qualcomm Incorporated · highest

85
Coherent · near

44
Nippon Paint… · near

44
Nuvectra · near

44
PEPPERL+FUCHS · near

44
SII Semiconductor · this assignee

44
3D Lighting… · lowest

7

What this shows SII's Innovation Score is 44.4/100 (top 26% 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 SII's grants concentrate

SII Semiconductor Corporation is a focused PatentsView assignee: 43 CPC subclasses with 24.4% of grants classified under H01L (Semiconductor Devices NOT Covered BY Class H10). Peak complete grant year is 2017 (76 grants) versus a trough of 1 in 2019. By volume, SII sits between Liveperson, Inc. and THE Board OF Trustees OF THE University OF Arkansas.

Liveperson

164
Mettler-toledo

164
NIO Technology (A…

164
Nippon Soda

164
Smith & Nephew As…

164
Solvay

164
Smiths Medical ASD

164
THE Board OF Trus…

164
SII Semiconductor ◀

164

What this shows SII holds 164 patents at rank #2,384, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near SII

By rank, the assignees closest to #2,384 in granted patent volume.

Leaders in H01L (Semiconductor Devices NOT Covered BY Class H10)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (44 here).

Coherent, Inc. 44 Nuvectra Corporation 44 Nippon Paint Automotive Coatings Co., Ltd. 44 PEPPERL+FUCHS GMBH 44

Similar claim depth

Nearest assignees by average claims per patent (5.9 here).

Kobayashi Pharmaceutical Co., Ltd. 5.9 avg Nite Ize, Inc. 5.9 avg Sumitomo Electric Hardmetal Corp. 5.9 avg Infinitus (CHINA) Company Ltd. 5.9 avg

SII's Innovation Score vs. every tracked assignee

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

44 Top 26% higher than 74% 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

SII Semiconductor Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	57	34.8%
2017	76	46.3%
2018	30	18.3%
2019	1	0.6%

Which technologies does SII Semiconductor Corporation patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 40

G05F - Systems FOR Regulating Electric OR Magnetic Variables 40

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 24

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 23

H03K - Pulse Technique 22

H10D - Inorganic Electric Semiconductor Devices 20

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 16

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 10

G11C - Static Stores 8

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 8

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 6

G06F - Electric Digital Data Processing 5

H03F - Amplifiers 5

H02H - Emergency Protective Circuit Arrangements 4

H03B - Generation OF Oscillations, Directly OR BY Frequency-changing, BY Circuits Employing Active Elements Which Operate IN A Non-switching MANNER; Generation OF Noise BY Such Circuits 4

Top 15 of 43 technology areas

Where it ranks

Overall rank by patents

#2,384

of 49,997 tracked assignees

Innovation Score

44.4 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

SII Semiconductor Corporation's patent record in context - here's where to go next.

SII Semiconductor Corporation's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 24.4% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #2,384 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare SII Semiconductor Corporation against Liveperson, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 44.4/100 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.