Where does Rigaku Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Rigaku Corporation ranks #2,320 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 Rigaku Corporation hold?

Rigaku Corporation holds 169 US utility patents granted between 2015 and 2025, spanning 32 technology areas.

What is Rigaku Corporation's Innovation Score?

Rigaku Corporation has an Innovation Score of 49.7 out of 100 (top 14% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Rigaku Corporation's patent grant rate increasing or decreasing?

Rigaku Corporation's recent grant velocity is +33% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Rigaku Corporation's patents?

Rigaku Corporation's patents average 9.2 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 Rigaku 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

Rigaku Corporation

Q: What technology areas does Rigaku Corporation focus on?

Rigaku Corporation's top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 136 patents. Grants appear in 32 CPC subclasses total.

USPTO PatentsView assignee record - 169 granted patents across 32 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Rigaku ranks #2,320 of 49,997 tracked US assignees by granted-patent volume, with 169 patents across 32 technology areas.

#2,320
of 49,997 US assignees by volume: Top 14%
by Innovation Score (49.7/100): 9.2
avg claims per patent: +33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2320 · Foreign Corporation #2,320 · 169 grants

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

GRANTS-MID 169 grants
TOP-DECILE #2,320/49,997
PHOTO-FINISH NUtech Ventures
CPC-FOCUS G01N · 32 areas
INNOV-PAR 49.7/100
CLAIMS-PAR 9.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: NUtech Ventures (±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
Azur Space Solar Power · near

50
Board OF Regents OF… · near

50
Consumer Safety… · near

50
Doosan Infracore · near

50
Rigaku · this assignee

50
3D Lighting… · lowest

7

What this shows Rigaku's Innovation Score is 49.7/100 (top 14% 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 Rigaku's grants concentrate

Rigaku Corporation is a focused PatentsView assignee: 32 CPC subclasses with 80.5% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2023 (23 grants) versus a trough of 9 in 2022. By volume, Rigaku sits between NUtech Ventures and Electronics FOR Imaging, Inc..

Rigaku's three-year grant acceleration

From 2019–2021 to 2022–2024, Rigaku Corporation moved from 54 to 52 grants (0.96x 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 #1,288. See the growth leaderboard.

Nutech Ventures

169
Oshkosh Defense

169
Promega

169
Radiant Opto-

169
Shanghai Avic Opt…

169
Sunbeam Products

169
THE Children's Ho…

169
Rigaku ◀

169
FOR Imaging

168

What this shows Rigaku holds 169 patents at rank #2,320, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Rigaku

By rank, the assignees closest to #2,320 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (50 here).

Doosan Infracore Co., Ltd. 50 Azur Space Solar Power GmbH 50 Board OF Regents OF THE Nevada System OF Higher Education ON Behalf OF THE OF THE University OF Nevada, Reno 50 Consumer Safety Technology, LLC 50

Similar claim depth

Nearest assignees by average claims per patent (9.2 here).

Ingenico Inc. 9.2 avg DeNA Co., Ltd. 9.2 avg Zumtobel Lighting GmbH 9.1 avg Institute of Geology and Geophysics, Chinese Academy of Sciences 9.1 avg

Rigaku's Innovation Score vs. every tracked assignee

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

50 Top 14% higher than 86% 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

Rigaku Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	16	9.5%
2016	12	7.1%
2017	10	5.9%
2018	12	7.1%
2019	17	10.1%
2020	16	9.5%
2021	21	12.4%
2022	9	5.3%
2023	23	13.6%
2024	20	11.8%
2025partial year	13	7.7%

Which technologies does Rigaku Corporation patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 136

G01T - Measurement OF Nuclear OR X-radiation 20

G21K - Techniques FOR Handling Particles OR Ionising Radiation NOT Otherwise Provided FOR; Irradiation DEVICES; Gamma RAY OR X-ray Microscopes 18

A61B - DIAGNOSIS; SURGERY; Identification 15

G06T - Image Data Processing OR Generation, IN General 12

H01J - Electric Discharge Tubes OR Discharge Lamps 12

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 6

H01L - Semiconductor Devices NOT Covered BY Class H10 5

H05G - X-ray Technique 5

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 4

G06F - Electric Digital Data Processing 4

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 3

G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data 2

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 2

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 2

Top 15 of 32 technology areas

Where it ranks

Overall rank by patents

#2,320

of 49,997 tracked assignees

Innovation Score

49.7 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

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

Rigaku Corporation's lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 80.5% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #2,320 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Rigaku Corporation against NUtech Ventures, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.7/100 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.