Where does Hitachi Chemical Co. America, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi Chemical Co. America, Ltd. ranks #28,982 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 Chemical Co. America, Ltd. hold?

Hitachi Chemical Co. America, Ltd. holds 9 US utility patents granted between 2015 and 2020, spanning 9 technology areas.

What is Hitachi Chemical Co. America, Ltd.'s Innovation Score?

Hitachi Chemical Co. America, Ltd. has an Innovation Score of 27.5 out of 100 (24th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hitachi Chemical Co. America, Ltd.'s patent grant rate increasing or decreasing?

Hitachi Chemical Co. America, Ltd.'s recent grant velocity is -71% 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 Chemical Co. America, Ltd.'s patents?

Hitachi Chemical Co. America, Ltd.'s patents average 14.9 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 Chemical Co. America, Ltd. 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

Hitachi Chemical Co. America, Ltd.

Q: What technology areas does Hitachi Chemical Co. America, Ltd. focus on?

Hitachi Chemical Co. America, Ltd.'s top technology area is 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) with 7 patents. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 9 technology areas, recorded in grant years 2015–2020. 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: 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 Micr).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hitachi ranks #28,982 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 9 technology areas.

#28,982
of 49,997 US assignees by volume: 24th percentile
by Innovation Score (27.5/100): 14.9
avg claims per patent: -71%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R28982 · US Corporation #28,982 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #28,982/49,997
PHOTO-FINISH Higgstec
CPC-NARROW C12Q · 9 areas
INNOV-THIN 27.5/100
CLAIMS-RICH 14.9 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -71% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Higgstec 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
Hitachi Chemical… · this assignee

27
3D Lighting… · lowest

7

What this shows Hitachi's Innovation Score is 27.5/100 (24th percentile 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's grants concentrate

Hitachi Chemical Co. America, Ltd. is a focused PatentsView assignee: 9 CPC subclasses with 77.8% of grants classified under 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 Micr). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2015. By volume, Hitachi sits between Higgstec Inc. and Hobot Technology Inc..

Higgstec

9
Hisep Technology

9
Histologics

9
Hitachi Automotiv…

9
Hitachi Rail STS…

9
HK Marketing LC

9
HMS MFG

9
Hobot Technology

9
Hitachi Chemical… ◀

9

What this shows Hitachi holds 9 patents at rank #28,943, 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 #28,943 in granted patent volume.

Leaders in C12Q (Measuring OR Testing Processes Involving Enzymes)

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)

27 24th percentile higher than 24% 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 · 2015–2020

Grants by year

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

View data table

Hitachi Chemical Co. America, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2017	4	44.4%
2019	2	22.2%
2020	2	22.2%

Which technologies does Hitachi Chemical Co. America, Ltd. patent most?

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 7

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 2

B04B - Centrifuges 2

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 2

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 2

B01D - Separation 2

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 1

A61B - DIAGNOSIS; SURGERY; Identification 1

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators 1

Top 9 of 9 technology areas

Where it ranks

Overall rank by patents

#28,982

of 49,997 tracked assignees

Innovation Score

27.5 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 Chemical Co. America, Ltd.'s patent record in context - here's where to go next.

Hitachi Chemical Co. America, Ltd.'s lead technology class is 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 Micr), 77.8% of its portfolio - see every assignee active in that class. Explore C12Q
Ranked #28,982 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi Chemical Co. America, Ltd. against Higgstec Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.5/100 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.