Where does Hitachi High-Technologies Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi High-Technologies Corporation ranks #424 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 High-Technologies Corporation hold?

Hitachi High-Technologies Corporation holds 1,068 US utility patents granted between 2015 and 2024, spanning 123 technology areas.

What is Hitachi High-Technologies Corporation's Innovation Score?

Hitachi High-Technologies Corporation has an Innovation Score of 55.8 out of 100 (top 7% 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 High-Technologies Corporation focus on?

Hitachi High-Technologies Corporation's top technology area is H01J (Electric Discharge Tubes OR Discharge Lamps) with 507 patents. Grants appear in 123 CPC subclasses total.

Is Hitachi High-Technologies Corporation's patent grant rate increasing or decreasing?

Hitachi High-Technologies Corporation's recent grant velocity is -91% 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 High-Technologies Corporation's patents?

Hitachi High-Technologies Corporation's patents average 10.4 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 High-Technologies 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

Hitachi High-Technologies Corporation

USPTO PatentsView assignee record - 1,068 granted patents across 123 technology areas, recorded in grant years 2015–2024. 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: H01J (Electric Discharge Tubes OR Discharge Lamps).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hitachi ranks #424 of 49,997 tracked US assignees by granted-patent volume, with 1,068 patents across 123 technology areas.

#424
of 49,997 US assignees by volume: Top 7%
by Innovation Score (55.8/100): 10.4
avg claims per patent: -91%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R424 · Foreign Corporation #424 · 1,068 grants

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

GRANTS-LARGE 1.1K grants
TOP-DECILE #424/49,997
PHOTO-FINISH Hitachi High-tech
CPC-WIDE H01J · 123 areas
INNOV-PAR 55.8/100
CLAIMS-PAR 10.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -91% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hitachi High-tech Corporation (±3 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
Nestec · near

56
The University of… · near

56
Diversey · near

56
Hitachi High- · this assignee

56
Toyo Seikan · near

56
3D Lighting… · lowest

7

What this shows Hitachi's Innovation Score is 55.8/100 (top 7% 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.

How Hitachi's grant cadence moved

Between 2020–2024, Hitachi High-Technologies Corporation received 87 grants versus 981 in 2015–2019 (-91% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2015 at 231 grants and bottomed in 2021 at 4. Lead class H01J accounts for 47.5% of the portfolio across 123 subclasses. Volume neighbours: Fisher & Paykel Healthcare Limited (#420) and Universal Display Corporation (#428).

Hitachi's three-year grant acceleration

From 2019–2021 to 2022–2024, Hitachi High-Technologies Corporation moved from 248 to 17 grants (0.07x 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 #3,209. See the growth leaderboard.

Fisher & Paykel H…

1,077
Screen Holdings

1,077
Hitachi High-tech

1,071
Novatek Microelec…

1,071
Hitachi High- ◀

1,068
Hoffmann-la Roche

1,065
Lawrence Livermor…

1,064
Zoox

1,064
Universal Display

1,058

What this shows Hitachi holds 1,068 patents at rank #424, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hitachi

By rank, the assignees closest to #424 in granted patent volume.

Leaders in H01J (Electric Discharge Tubes OR Discharge Lamps)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (56 here).

Toyo Seikan Co., Ltd. 56 Diversey, Inc. 56 Nestec S.A. 56 The University of Toledo 56

Similar claim depth

Nearest assignees by average claims per patent (10.4 here).

Caterpillar Sarl 10.4 avg Shanghai Huali Microelectronics Corporation 10.4 avg Toshiba Client Solutions Co., Ltd. 10.4 avg FG Innovation Company Limited 10.4 avg

Hitachi's Innovation Score vs. every tracked assignee

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

56 Top 7% higher than 93% 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 · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Hitachi High-Technologies Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	231	21.6%
2016	215	20.1%
2017	193	18.1%
2018	164	15.4%
2019	178	16.7%
2020	66	6.2%
2021	4	0.4%
2022	7	0.7%
2023	6	0.6%
2024	4	0.4%

Which technologies does Hitachi High-Technologies Corporation patent most?

H01J - Electric Discharge Tubes OR Discharge Lamps 507

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 469

H01L - Semiconductor Devices NOT Covered BY Class H10 176

G06T - Image Data Processing OR Generation, IN General 84

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 81

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 59

Y10T - Technical Subjects Covered BY Former US Classification 41

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; 36

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 34

G06F - Electric Digital Data Processing 28

G02B - Optical Elements, Systems OR Apparatus 26

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 22

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 16

G06V - Image OR Video Recognition OR Understanding 16

C12M - Apparatus FOR Enzymology OR MICROBIOLOGY; Apparatus FOR Culturing Microorganisms FOR Producing Biomass, FOR Growing Cells OR FOR Obtaining Fermentation OR Metabolic Products, i.e. Bioreactors OR Fermenters 15

Top 15 of 123 technology areas

Where it ranks

Overall rank by patents

#424

of 49,997 tracked assignees

Innovation Score

55.8 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 High-Technologies Corporation's patent record in context - here's where to go next.

Hitachi High-Technologies Corporation's lead technology class is H01J (Electric Discharge Tubes OR Discharge Lamps), 47.5% of its portfolio - see every assignee active in that class. Explore H01J
Ranked #424 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi High-Technologies Corporation against Fisher & Paykel Healthcare Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 55.8/100 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.