Where does Shei Chung Hsin IND. Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Shei Chung Hsin IND. Co., Ltd. ranks #42,955 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 Shei Chung Hsin IND. Co., Ltd. hold?

Shei Chung Hsin IND. Co., Ltd. holds 6 US utility patents granted between 2016 and 2021, spanning 13 technology areas.

What is Shei Chung Hsin IND. Co., Ltd.'s Innovation Score?

Shei Chung Hsin IND. Co., Ltd. has an Innovation Score of 25.3 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 Shei Chung Hsin IND. Co., Ltd.'s patent grant rate increasing or decreasing?

Shei Chung Hsin IND. 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 Shei Chung Hsin IND. Co., Ltd.'s patents?

Shei Chung Hsin IND. Co., Ltd.'s patents average 9.7 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 Shei Chung Hsin IND. 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

Shei Chung Hsin IND. Co., Ltd.

Q: What technology areas does Shei Chung Hsin IND. Co., Ltd. focus on?

Shei Chung Hsin IND. Co., Ltd.'s top technology area is B63C (Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects) with 4 patents, ranking #27 of 176 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 13 technology areas, recorded in grant years 2016–2021. 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: B63C (Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Shei ranks #42,955 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 13 technology areas.

#42,955
of 49,997 US assignees by volume: 17th percentile
by Innovation Score (25.3/100): 9.7
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R42955 · Foreign Corporation #42,955 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #42,955/49,997
PHOTO-FINISH Shanghai Unicar-ther…
CPC-FOCUS B63C · 13 areas
INNOV-THIN 25.3/100
CLAIMS-PAR 9.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shanghai Unicar-therapy Bio-medicine Technology 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.

How Shei’s 25.3 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 6.7 pts (27%) Velocity 0.0 pts (0%) Breadth 12.7 pts (50%) Claim depth 5.8 pts (23%)

Qualcomm Incorporated · highest

85
Shei Chung Hsin IND · this assignee

25
3D Lighting… · lowest

7

What this shows Shei's Innovation Score is 25.3/100 (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 Shei?

Each dot is one of Shei’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). Shei’s own 9.7 claims/patent is at or below the 12.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Shei's grants concentrate

Shei Chung Hsin IND. Co., Ltd. is a focused PatentsView assignee: 13 CPC subclasses with 66.7% of grants classified under B63C (Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2016. By volume, Shei sits between Shanghai Unicar-therapy Bio-medicine Technology Co., Ltd and Shenzhen Aoto Electronics Co., Ltd..

Shanghai Unicar-t…

6
Shanghai United I…

6
Shanghai Vision M…

6
Shantou Chenghai…

6
Shell Shock

6
Shen Zhen Lamho P…

6
Shenzhen 1byone T…

6
Shenzhen Aoto

6
Shei Chung Hsin I… ◀

6

What this shows Shei holds 6 patents at rank #42,828, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Shei

By rank, the assignees closest to #42,828 in granted patent volume.

Leaders in B63C (Launching)

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

Shei'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 · 2016–2021

Grants by year

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

View data table

Shei Chung Hsin IND. Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	16.7%
2017	2	33.3%
2018	1	16.7%
2020	1	16.7%
2021	1	16.7%

Which technologies does Shei Chung Hsin IND. Co., Ltd. patent most?

B63C - Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects 4

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 2

A41D - OUTERWEAR; Protective GARMENTS; Accessories 1

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

Y10T - Technical Subjects Covered BY Former US Classification 1

D04B - Knitting 1

D10B - Indexing Scheme Associated With Sublasses OF Section D, Relating TO Textiles 1

B41J - TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors 1

D06P - Dyeing OR Printing TEXTILES; Dyeing Leather, Furs OR Solid Macromolecular Substances IN ANY Form 1

D06N - Wall, Floor, OR Like Covering Materials, e.g. Linoleum, Oilcloth, Artificial Leather, Roofing Felt, Consisting OF A Fibrous WEB Coated With A Layer OF Macromolecular MATERIAL; Flexible Sheet Material NOT Otherwise Provided FOR 1

B41M - Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, 1

Top 13 of 13 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

Shei Chung Hsin IND. Co., Ltd.'s patent record in context - here's where to go next.

Shei Chung Hsin IND. Co., Ltd.'s lead technology class is B63C (Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects), 66.7% of its portfolio - see every assignee active in that class. Explore B63C
Ranked #42,955 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Shei Chung Hsin IND. Co., Ltd. against Shanghai Unicar-therapy Bio-medicine Technology Co., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.3/100 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.