Where does Chukyo Medical Co., Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chukyo Medical Co., Inc. ranks #22,381 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Chukyo Medical Co., Inc. hold?

Chukyo Medical Co., Inc. holds 12 US utility patents granted between 2016 and 2023, spanning 3 technology areas.

What is Chukyo Medical Co., Inc.'s Innovation Score?

Chukyo Medical Co., Inc. has an Innovation Score of 24.7 out of 100 (top 85% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chukyo Medical Co., Inc.'s patent grant rate increasing or decreasing?

Chukyo Medical Co., Inc.'s recent grant velocity is -67% 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 Chukyo Medical Co., Inc.'s patents?

Chukyo Medical Co., Inc.'s patents average 7.9 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 Chukyo Medical Co., Inc. 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

Chukyo Medical Co., Inc.

Q: What technology areas does Chukyo Medical Co., Inc. focus on?

Chukyo Medical Co., Inc.'s top technology area is A61F (FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRS) with 10 patents. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 3 technology areas, recorded in grant years 2016–2023. 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: A61F (FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICE).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Chukyo ranks #22,381 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 3 technology areas.

#22,381
of 50,000 US assignees by volume: Top 85%
by Innovation Score (24.7/100): 7.9
avg claims per patent: -67%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22381 · Foreign Corporation #22,381 · 12 grants

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

GRANTS-MICRO 12 grants
MID-PACK #22,381/50,000
PHOTO-FINISH CHIBA INSTITUTE OF T…
CPC-NARROW A61F · 3 areas
INNOV-THIN 24.7/100
CLAIMS-SPARSE 7.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -67% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chiba Institute OF Technology (±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
Chukyo Medical · this assignee

25
3D Lighting Innovati… · lowest

7

What this shows Chukyo's Innovation Score is 24.7/100 (top 85% 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 Chukyo's grants concentrate

Chukyo Medical Co., Inc. is a focused PatentsView assignee: 3 CPC subclasses with 83.3% of grants classified under A61F (FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICE). Peak complete grant year is 2016 (4 grants) versus a trough of 1 in 2018. By volume, Chukyo sits between Chiba Institute OF Technology and Clara Foods Co..

Chiba Institute O…

12
China Technology…

12
Chongqing Haier D…

12
Chuan Jiing Enter…

12
Chuzhou HKC Optoe…

12
Citex Holding

12
CJ E&M

12
Clara Foods

12
Chukyo Medical ◀

12

What this shows Chukyo holds 12 patents at rank #22,352, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chukyo

By rank, the assignees closest to #22,352 in granted patent volume.

Leaders in A61F (Filters Implantable INTO Blood Vessels)

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

Chukyo's Innovation Score vs. every tracked assignee

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

25 Top 85% higher than 15% of 50,000 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 · 2016–2023

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Chukyo Medical Co., Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	4	33.3%
2018	1	8.3%
2019	4	33.3%
2023	3	25.0%

Which technologies does Chukyo Medical Co., Inc. patent most?

A61F - FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRS 10

A61B - DIAGNOSIS; SURGERY; IDENTIFICATION 4

A61M - DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY ; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR 1

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#22,381

of 50,000 tracked assignees

Innovation Score

24.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.