Where does Hitachi-lg Data Storage, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi-lg Data Storage, Inc. ranks #3,397 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 Hitachi-lg Data Storage, Inc. hold?

Hitachi-lg Data Storage, Inc. holds 109 US utility patents granted between 2015 and 2025, spanning 23 technology areas.

What is Hitachi-lg Data Storage, Inc.'s Innovation Score?

Hitachi-lg Data Storage, Inc. has an Innovation Score of 43.9 out of 100 (top 27% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Hitachi-lg Data Storage, Inc. focus on?

Hitachi-lg Data Storage, Inc.'s top technology area is G02B (Optical Elements, Systems OR Apparatus) with 44 patents. Grants appear in 23 CPC subclasses total.

Is Hitachi-lg Data Storage, Inc.'s patent grant rate increasing or decreasing?

Hitachi-lg Data Storage, Inc.'s recent grant velocity is -51% 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 Hitachi-lg Data Storage, Inc.'s patents?

Hitachi-lg Data Storage, Inc.'s patents average 10.9 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 Hitachi-lg Data Storage, 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 Foreign Corporation

Hitachi-lg Data Storage, Inc.

USPTO PatentsView assignee record - 109 granted patents across 23 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: G02B (Optical Elements, Systems OR Apparatus).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hitachi-lg ranks #3,397 of 49,997 tracked US assignees by granted-patent volume, with 109 patents across 23 technology areas.

#3,397
of 49,997 US assignees by volume: Top 27%
by Innovation Score (43.9/100): 10.9
avg claims per patent: -51%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3397 · Foreign Corporation #3,397 · 109 grants

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

GRANTS-MID 109 grants
TOP-DECILE #3,397/49,997
PHOTO-FINISH Cybersonics
CPC-FOCUS G02B · 23 areas
INNOV-PAR 43.9/100
CLAIMS-PAR 10.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -51% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Cybersonics, 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
Colormatrix Holdings · near

44
Hitachi-lg Data… · this assignee

44
OL Security Liability · near

44
Panasonic Semiconduc… · near

44
Wavefront Research · near

44
3D Lighting… · lowest

7

What this shows Hitachi-lg's Innovation Score is 43.9/100 (top 27% 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 Hitachi-lg's grants concentrate

Hitachi-lg Data Storage, Inc. is a focused PatentsView assignee: 23 CPC subclasses with 40.4% of grants classified under G02B (Optical Elements, Systems OR Apparatus). Peak complete grant year is 2016 (22 grants) versus a trough of 3 in 2024. By volume, Hitachi-lg sits between Cybersonics, Inc. and Mr. Bar-B-Q Products LLC.

Hitachi-lg's three-year grant acceleration

From 2019–2021 to 2022–2024, Hitachi-lg Data Storage, Inc. moved from 27 to 17 grants (0.63x 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 #2,368. See the growth leaderboard.

Cybersonics

109
Decathlon

109
Elevance Renewabl…

109
Faurecia Interior…

109
I M A Industria M…

109
Ionq

109
Kerr Machine

109
Mr Bar-b-q Produc…

109
Hitachi-lg Data S… ◀

109

What this shows Hitachi-lg holds 109 patents at rank #3,397, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hitachi-lg

By rank, the assignees closest to #3,397 in granted patent volume.

Leaders in G02B (Optical Elements)

Other assignees with the most granted patents in Hitachi-lg's primary technology class.

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (44 here).

Wavefront Research, Inc. 44 OL Security Limited Liability Company 44 Panasonic Semiconductor Solutions Co., Ltd. 44 Colormatrix Holdings, Inc. 44

Similar claim depth

Nearest assignees by average claims per patent (10.9 here).

NR Engineering Co., Ltd. 10.9 avg Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. 10.9 avg Korea Atomic Energy Research Institute 10.9 avg NR Electric Co., Ltd. 10.9 avg

Hitachi-lg's Innovation Score vs. every tracked assignee

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

44 Top 27% higher than 73% 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

Hitachi-lg Data Storage, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	19	17.4%
2016	22	20.2%
2017	10	9.2%
2018	11	10.1%
2019	9	8.3%
2020	10	9.2%
2021	8	7.3%
2022	6	5.5%
2023	8	7.3%
2024	3	2.8%
2025partial year	3	2.8%

Which technologies does Hitachi-lg Data Storage, Inc. patent most?

G02B - Optical Elements, Systems OR Apparatus 44

H04N - Pictorial Communication, e.g. Television 34

G11B - Information Storage Based ON Relative Movement Between Record Carrier AND Transducer 29

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 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 14

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 13

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 12

G06F - Electric Digital Data Processing 8

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges Other Than Optical 6

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 5

G06T - Image Data Processing OR Generation, IN General 5

G03H - Holographic Processes OR Apparatus 4

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 3

A61B - DIAGNOSIS; SURGERY; Identification 3

G11C - Static Stores 2

Top 15 of 23 technology areas

Where it ranks

Overall rank by patents

#3,397

of 49,997 tracked assignees

Innovation Score

43.9 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

Hitachi-lg Data Storage, Inc.'s patent record in context - here's where to go next.

Hitachi-lg Data Storage, Inc.'s lead technology class is G02B (Optical Elements, Systems OR Apparatus), 40.4% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #3,397 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi-lg Data Storage, Inc. against Cybersonics, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.9/100 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.