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

According to USPTO PatentsView (2015–2025 granted utility patents), Cellspect Co., Ltd. ranks #25,970 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 Cellspect Co., Ltd. hold?

Cellspect Co., Ltd. holds 10 US utility patents granted between 2019 and 2023, spanning 4 technology areas.

What is Cellspect Co., Ltd.'s Innovation Score?

Cellspect Co., Ltd. has an Innovation Score of 23.9 out of 100 (top 87% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Cellspect Co., Ltd.'s recent grant velocity is +800% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Cellspect Co., Ltd.'s patents?

Cellspect Co., Ltd.'s patents average 3.1 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 Cellspect 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

Cellspect Co., Ltd.

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

Cellspect Co., Ltd.'s top technology area is G01N (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES) with 3 patents. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 10 granted patents across 4 technology areas, recorded in grant years 2019–2023. 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: G01N (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Cellspect ranks #25,970 of 50,000 tracked US assignees by granted-patent volume, with 10 patents across 4 technology areas.

#25,970
of 50,000 US assignees by volume: Top 87%
by Innovation Score (23.9/100): 3.1
avg claims per patent: +800%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25970 · Foreign Corporation #25,970 · 10 grants

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

GRANTS-MICRO 10 grants
MID-PACK #25,970/50,000
PHOTO-FINISH CDF
CPC-NARROW G01N · 4 areas
INNOV-THIN 23.9/100
CLAIMS-SPARSE 3.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +800% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: CDF Corporation (±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
Cellspect · this assignee

24
3D Lighting Innovati… · lowest

7

What this shows Cellspect's Innovation Score is 23.9/100 (top 87% 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 Cellspect's grants concentrate

Cellspect Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 30% of grants classified under G01N (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2019. By volume, Cellspect sits between CDF Corporation and Chanel.

Cellspect's three-year grant acceleration

Cellspect Co., Ltd. shows 5 grants in 2022–2024 against only 5 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.

CDF

10
CDI Plusone

10
Celeritasworks

10
Cellseed

10
Cellwize Wireless

10
Centerline Biomed…

10
Centre FOR Develo…

10
Chanel

10
Cellspect ◀

10

What this shows Cellspect holds 10 patents at rank #25,957, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cellspect

By rank, the assignees closest to #25,957 in granted patent volume.

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

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

Cellspect's Innovation Score vs. every tracked assignee

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

24 Top 87% higher than 13% 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 · 2019–2023

Grants by year

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

View data table

Cellspect Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	10.0%
2020	4	40.0%
2022	3	30.0%
2023	2	20.0%

Which technologies does Cellspect Co., Ltd. patent most?

G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3

A61B - DIAGNOSIS; SURGERY; IDENTIFICATION 2

C07D - HETEROCYCLIC COMPOUNDS 1

C09B - ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; , e.g. PIGMENTS; MORDANTS; LAKES 1

Top 4 of 4 technology areas

Where it ranks

Overall rank by patents

#25,970

of 50,000 tracked assignees

Innovation Score

23.9 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.