Where does Kangstem Biotech Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kangstem Biotech Co., Ltd. ranks #36,082 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 Kangstem Biotech Co., Ltd. hold?

Kangstem Biotech Co., Ltd. holds 7 US utility patents granted between 2016 and 2025, spanning 6 technology areas.

What is Kangstem Biotech Co., Ltd.'s Innovation Score?

Kangstem Biotech Co., Ltd. has an Innovation Score of 34.3 out of 100 (47th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kangstem Biotech Co., Ltd.'s patent grant rate increasing or decreasing?

Kangstem Biotech Co., Ltd.'s recent grant velocity is -50% 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 Kangstem Biotech Co., Ltd.'s patents?

Kangstem Biotech Co., Ltd.'s patents average 8.6 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 Kangstem Biotech Co., 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 Foreign Corporation

Kangstem Biotech Co., Ltd.

Q: What technology areas does Kangstem Biotech Co., Ltd. focus on?

Kangstem Biotech Co., Ltd.'s top technology area is C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media) with 7 patents, ranking #1,382 of 4,144 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 6 technology areas, recorded in grant years 2016–2025. 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: C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Kangstem ranks #36,082 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 6 technology areas.

#36,082
of 49,997 US assignees by volume: 47th percentile
by Innovation Score (34.3/100): 8.6
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R36082 · Foreign Corporation #36,082 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #36,082/49,997
PHOTO-FINISH K-Motion Interactive
CPC-NARROW C12N · 6 areas
INNOV-THIN 34.3/100
CLAIMS-PAR 8.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: K-Motion Interactive, 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.

How Kangstem’s 34.3 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 7.2 pts (21%) Velocity 13.3 pts (39%) Breadth 8.7 pts (25%) Claim depth 5.1 pts (15%)

Qualcomm Incorporated · highest

85
Kangstem Biotech · this assignee

34
3D Lighting… · lowest

7

What this shows Kangstem's Innovation Score is 34.3/100 (47th 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.

Does more volume mean deeper claims for Kangstem?

Each dot is one of Kangstem’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). Kangstem’s own 8.6 claims/patent is at or below the 12.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kangstem's grants concentrate

Kangstem Biotech Co., Ltd. is a focused PatentsView assignee: 6 CPC subclasses with 100% of grants classified under C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2022. By volume, Kangstem sits between K-Motion Interactive, Inc. and Karma Medical Products Co., Ltd..

Kangstem's three-year grant acceleration

Kangstem Biotech Co., Ltd. shows 2 grants in 2022–2024 against only 0 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.

K-motion Interact…

7
K2 Energy Solutio…

7
Kahtoola

7
Kane Biotech

7
Kannuu PTY

7
Kansai Chemical E…

7
Karl Mayer Textil…

7
Karma Medical Pro…

7
Kangstem Biotech ◀

7

What this shows Kangstem holds 7 patents at rank #36,058, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kangstem

By rank, the assignees closest to #36,058 in granted patent volume.

Leaders in C12N (Microorganisms OR Enzymes)

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

Kangstem's Innovation Score vs. every tracked assignee

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

34 47th percentile higher than 47% 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 · 2016–2025

Grants by year

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

View data table

Kangstem Biotech Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	28.6%
2017	2	28.6%
2022	1	14.3%
2023	1	14.3%
2025partial year	1	14.3%

Which technologies does Kangstem Biotech Co., Ltd. patent most?

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 7

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 7

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 5

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

C12Y - Enzymes 1

Y02A - Technologies FOR Adaptation TO Climate Change 1

Top 6 of 6 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

Kangstem Biotech Co., Ltd.'s patent record in context - here's where to go next.

Kangstem Biotech Co., Ltd.'s lead technology class is C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media), 100% of its portfolio - see every assignee active in that class. Explore C12N
Ranked #36,082 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kangstem Biotech Co., Ltd. against K-Motion Interactive, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.3/100 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.