Where does Changhua Christian Hospital rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Changhua Christian Hospital ranks #45,594 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 Changhua Christian Hospital hold?

Changhua Christian Hospital holds 5 US utility patents granted between 2016 and 2020, spanning 9 technology areas.

What is Changhua Christian Hospital's Innovation Score?

Changhua Christian Hospital has an Innovation Score of 25.4 out of 100 (17th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Changhua Christian Hospital's patent grant rate increasing or decreasing?

Changhua Christian Hospital's recent grant velocity is -33% 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 Changhua Christian Hospital's patents?

Changhua Christian Hospital's patents average 14.4 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.

How is the Changhua Christian Hospital 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

Changhua Christian Hospital

Q: What technology areas does Changhua Christian Hospital focus on?

Changhua Christian Hospital's top technology area is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General) with 2 patents, ranking #1,079 of 2,247 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 9 technology areas, recorded in grant years 2016–2020. 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: H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Changhua ranks #45,594 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 9 technology areas.

#45,594
of 49,997 US assignees by volume: 17th percentile
by Innovation Score (25.4/100): 14.4
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45594 · Foreign Corporation #45,594 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,594/49,997
PHOTO-FINISH Champion Bus
CPC-NARROW H05B · 9 areas
INNOV-THIN 25.4/100
CLAIMS-RICH 14.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Champion Bus, 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 Changhua’s 25.4 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 6.2 pts (24%) Velocity 0.0 pts (0%) Breadth 10.6 pts (42%) Claim depth 8.6 pts (34%)

Qualcomm Incorporated · highest

85
Changhua Christian… · this assignee

25
3D Lighting… · lowest

7

What this shows Changhua's Innovation Score is 25.4/100 (17th 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 Changhua?

Each dot is one of Changhua’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). Changhua’s own 14.4 claims/patent is at or below the 14.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Changhua's grants concentrate

Changhua Christian Hospital is a focused PatentsView assignee: 9 CPC subclasses with 40% of grants classified under H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General). Peak complete grant year is 2020 (2 grants) versus a trough of 1 in 2016. By volume, Changhua sits between Champion Bus, Inc. and Check Point Advanced Threat Prevention Ltd.

Champion Bus

5
Chang Gung Memori…

5
Changde Yixiang I…

5
Change Up

5
Changjiang River…

5
Chargeitspot

5
Charles River Lab…

5
Check Point Advan…

5
Changhua Christia… ◀

5

What this shows Changhua holds 5 patents at rank #45,810, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Changhua

By rank, the assignees closest to #45,810 in granted patent volume.

Leaders in H05B (Electric Heating)

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

Changhua's Innovation Score vs. every tracked assignee

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

25 17th percentile higher than 17% 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 · 2016–2020

Grants by year

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

View data table

Changhua Christian Hospital patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	20.0%
2017	1	20.0%
2018	1	20.0%
2020	2	40.0%

Which technologies does Changhua Christian Hospital patent most?

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 2

H04W - Wireless Communication Networks 2

G08C - Transmission Systems FOR Measured Values, Control OR Similar Signals 2

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 2

H04B - Transmission 2

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 1

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 1

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 1

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 9 of 9 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

Changhua Christian Hospital's patent record in context - here's where to go next.

Changhua Christian Hospital's lead technology class is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General), 40% of its portfolio - see every assignee active in that class. Explore H05B
Ranked #45,594 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Changhua Christian Hospital against Champion Bus, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.4/100 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.