Where does Hitachi Zosen Inova AG rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi Zosen Inova AG ranks #18,721 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 Zosen Inova AG hold?

Hitachi Zosen Inova AG holds 15 US utility patents granted between 2015 and 2025, spanning 22 technology areas.

What is Hitachi Zosen Inova AG's Innovation Score?

Hitachi Zosen Inova AG has an Innovation Score of 36.4 out of 100 (top 46% 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 Zosen Inova AG focus on?

Hitachi Zosen Inova AG's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 6 patents, ranking #1,885 of 5,963 assignees active in that subclass. Grants appear in 22 CPC subclasses total.

Is Hitachi Zosen Inova AG's patent grant rate increasing or decreasing?

Hitachi Zosen Inova AG's recent grant velocity is -56% 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 Zosen Inova AG's patents?

Hitachi Zosen Inova AG's patents average 13.9 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 Zosen Inova AG 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 Zosen Inova AG

USPTO PatentsView assignee record - 15 granted patents across 22 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hitachi ranks #18,721 of 49,997 tracked US assignees by granted-patent volume, with 15 patents across 22 technology areas.

#18,721
of 49,997 US assignees by volume: Top 46%
by Innovation Score (36.4/100): 13.9
avg claims per patent: -56%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R18721 · Foreign Corporation #18,721 · 15 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 15 grants
MID-PACK #18,721/49,997
PHOTO-FINISH Hetero Labs
CPC-FOCUS Y02E · 22 areas
INNOV-THIN 36.4/100
CLAIMS-RICH 13.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -56% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hetero Labs Limited (±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 Hitachi’s 36.4 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 9.6 pts (26%) Velocity 1.9 pts (5%) Breadth 16.6 pts (45%) Claim depth 8.4 pts (23%)

Qualcomm Incorporated · highest

85
Hitachi Zosen Inova · this assignee

36
3D Lighting… · lowest

7

What this shows Hitachi's Innovation Score is 36.4/100 (top 46% 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 Hitachi?

Each dot is one of Hitachi’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). Hitachi’s own 13.9 claims/patent is ABOVE the 12.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Hitachi's grants concentrate

Hitachi Zosen Inova AG is a focused PatentsView assignee: 22 CPC subclasses with 40% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2019 (5 grants) versus a trough of 1 in 2015. By volume, Hitachi sits between Hetero Labs Limited and Hunan Sany Intelligent Control Equipment Co., Ltd..

Hitachi's three-year grant acceleration

Hitachi Zosen Inova AG shows 2 grants in 2022–2024 against only 7 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Hetero Labs

15
Heuft Systemtechn…

15
Hexagon Metrology…

15
Hisense Hiview Te…

15
HMI Medical Innov…

15
Hoganas AB (PUBL)

15
Hueck Rheinische

15
Hunan Sany Intell…

15
Hitachi Zosen Ino… ◀

15

What this shows Hitachi holds 15 patents at rank #18,704, 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 #18,704 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Hitachi's Innovation Score vs. every tracked assignee

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

36 Top 46% higher than 54% 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 Zosen Inova AG patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	6.7%
2017	1	6.7%
2018	2	13.3%
2019	5	33.3%
2020	2	13.3%
2023	2	13.3%
2025partial year	2	13.3%

Which technologies does Hitachi Zosen Inova AG patent most?

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

F23G - Cremation FURNACES; Consuming Waste Products BY Combustion 4

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 4

F23H - Grates ; Cleaning OR Raking Grates 4

F23J - Removal OR Treatment OF Combustion Products OR Combustion RESIDUES; Flues 3

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 2

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 2

F27D - Details OR Accessories OF Furnaces, Kilns, Ovens OR Retorts, IN SO FAR AS They ARE OF Kinds Occurring IN More Than ONE Kind OF Furnace 2

B30B - Presses IN General 1

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 1

C10L - Fuels NOT Otherwise Provided FOR; Natural GAS; Synthetic Natural GAS Obtained BY Processes NOT Covered BY Subclasses C10g OR C10K; Liquified Petroleum GAS; USE OF Additives TO Fuels OR FIRES; Fire-lighters 1

Y02C - Capture, Storage, Sequestration OR Disposal OF Greenhouse Gases [GHG] 1

F25J - Liquefaction, Solidification OR Separation OF Gases OR Gaseous ; OR Liquefied GASEOUS; Mixtures BY Pressure AND Cold Treatment ; OR BY Bringing Them Into THE Supercritical State 1

B01D - Separation 1

F23K - Feeding Fuel TO Combustion Apparatus 1

Top 15 of 22 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

Hitachi Zosen Inova AG's patent record in context - here's where to go next.

Hitachi Zosen Inova AG's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 40% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #18,721 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi Zosen Inova AG against Hetero Labs Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.4/100 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.