Where does National University Corporation Hokkaido University rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), National University Corporation Hokkaido University ranks #1,581 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Is National University Corporation Hokkaido University's patent grant rate increasing or decreasing?

National University Corporation Hokkaido University's recent grant velocity is -24% 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 National University Corporation Hokkaido University's patents?

National University Corporation Hokkaido University'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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

National University Corporation Hokkaido University

Q: How many patents does National University Corporation Hokkaido University hold?

National University Corporation Hokkaido University holds 262 US utility patents granted between 2015 and 2025, spanning 140 technology areas.

Q: What is National University Corporation Hokkaido University's Innovation Score?

National University Corporation Hokkaido University has an Innovation Score of 58.7 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Q: What technology areas does National University Corporation Hokkaido University focus on?

National University Corporation Hokkaido University's top technology area is A61K (Preparations FOR Medical, Dental OR Toiletry Purposes) with 47 patents. Grants appear in 140 CPC subclasses total.

Q: How is the National University Corporation Hokkaido University 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 PatentsView assignee record - 262 granted patents across 140 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: A61K (Preparations FOR Medical, Dental OR Toiletry Purposes).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, National ranks #1,581 of 49,997 tracked US assignees by granted-patent volume, with 262 patents across 140 technology areas.

#1,581
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.7/100): 10.4
avg claims per patent: -24%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1581 · Foreign Corporation #1,581 · 262 grants

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

GRANTS-MID 262 grants
TOP-DECILE #1,581/49,997
PHOTO-FINISH Hisense International
CPC-WIDE A61K · 140 areas
INNOV-PAR 58.7/100
CLAIMS-PAR 10.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -24% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hisense International Co., Ltd. (±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
Trimble Navigation · near

59
Micron · near

59
National University… · this assignee

59
The Braun · near

59
Ideal Industries… · near

59
3D Lighting… · lowest

7

What this shows National's Innovation Score is 58.7/100 (top 4% 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 National's grant cadence moved

Between 2020–2024, National University Corporation Hokkaido University received 107 grants versus 140 in 2015–2019 (-24% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2015 at 39 grants and bottomed in 2020 at 17. Lead class A61K accounts for 17.9% of the portfolio across 140 subclasses. Volume neighbours: Hisense International Co., Ltd. (#1,577) and Ememory Technology Inc. (#1,585).

National's three-year grant acceleration

From 2019–2021 to 2022–2024, National University Corporation Hokkaido University moved from 59 to 73 grants (1.24x 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 #727. See the growth leaderboard.

Hisense Internati…

262
Toyota Chuo Kenky…

262
Laitram L L C

262
Microjet Technolo…

262
The Lubrizol

262
Unisantis Singapo…

262
National Universi… ◀

262
Beth Israel Deaco…

261
Ememory Technology

261

What this shows National holds 262 patents at rank #1,581, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #1,581 in granted patent volume.

Leaders in A61K (Preparations FOR Medical)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (59 here).

The Braun Corporation 59 Micron Technologies, Inc. 59 Ideal Industries Lighting LLC 59 Trimble Navigation Limited 59

Similar claim depth

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

Oiles Corporation 10.4 avg Baoshan Iron & Steel Co., Ltd. 10.4 avg Tejas Networks Limited 10.4 avg Murakami Corporation 10.4 avg

National's Innovation Score vs. every tracked assignee

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

59 Top 4% higher than 96% 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

National University Corporation Hokkaido University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	39	14.9%
2016	28	10.7%
2017	27	10.3%
2018	21	8.0%
2019	25	9.5%
2020	17	6.5%
2021	17	6.5%
2022	29	11.1%
2023	27	10.3%
2024	17	6.5%
2025partial year	15	5.7%

Which technologies does National University Corporation Hokkaido University patent most?

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 47

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 39

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 37

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 32

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 31

G02B - Optical Elements, Systems OR Apparatus 29

A61B - DIAGNOSIS; SURGERY; Identification 24

C07C - Acyclic OR Carbocyclic Compounds 21

C07K - Peptides 20

C07D - Heterocyclic Compounds 20

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 19

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 18

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 18

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 18

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 16

Top 15 of 140 technology areas

Where it ranks

Overall rank by patents

#1,581

of 49,997 tracked assignees

Innovation Score

58.7 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

National University Corporation Hokkaido University's patent record in context - here's where to go next.

National University Corporation Hokkaido University's lead technology class is A61K (Preparations FOR Medical, Dental OR Toiletry Purposes), 17.9% of its portfolio - see every assignee active in that class. Explore A61K
Ranked #1,581 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National University Corporation Hokkaido University against Hisense International Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.7/100 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.