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

According to USPTO PatentsView (2015–2025 granted utility patents), Taisei Plas Co., Ltd. ranks #30,316 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 Taisei Plas Co., Ltd. hold?

Taisei Plas Co., Ltd. holds 9 US utility patents granted between 2015 and 2024, spanning 14 technology areas.

What is Taisei Plas Co., Ltd.'s Innovation Score?

Taisei Plas Co., Ltd. has an Innovation Score of 30.5 out of 100 (35th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Taisei Plas Co., Ltd. focus on?

Taisei Plas Co., Ltd.'s top technology area is Y10T (Technical Subjects Covered BY Former US Classification) with 8 patents, ranking #1,552 of 9,657 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

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

Taisei Plas Co., Ltd.'s recent grant velocity is -87% 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 Taisei Plas Co., Ltd.'s patents?

Taisei Plas Co., Ltd.'s patents average 4.4 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 Taisei Plas 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

Taisei Plas Co., Ltd.

USPTO PatentsView assignee record - 9 granted patents across 14 technology areas, recorded in grant years 2015–2024. 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: Y10T (Technical Subjects Covered BY Former US Classification).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Taisei ranks #30,316 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 14 technology areas.

#30,316
of 49,997 US assignees by volume: 35th percentile
by Innovation Score (30.5/100): 4.4
avg claims per patent: -87%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R30316 · Foreign Corporation #30,316 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #30,316/49,997
PHOTO-FINISH Systagenix Wound…
CPC-FOCUS Y10T · 14 areas
INNOV-THIN 30.5/100
CLAIMS-SPARSE 4.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -87% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Systagenix Wound Management, Limited (±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 Taisei’s 30.5 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 8.0 pts (26%) Velocity 6.7 pts (22%) Breadth 13.2 pts (43%) Claim depth 2.7 pts (9%)

Qualcomm Incorporated · highest

85
Taisei Plas · this assignee

31
3D Lighting… · lowest

7

What this shows Taisei's Innovation Score is 30.5/100 (35th 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 Taisei?

Each dot is one of Taisei’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). Taisei’s own 4.4 claims/patent is at or below the 13.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Taisei's grants concentrate

Taisei Plas Co., Ltd. is a focused PatentsView assignee: 14 CPC subclasses with 88.9% of grants classified under Y10T (Technical Subjects Covered BY Former US Classification). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2019. By volume, Taisei sits between Systagenix Wound Management, Limited and Tasmit, Inc..

Taisei's three-year grant acceleration

Taisei Plas Co., Ltd. shows 1 grants in 2022–2024 against only 1 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.

Systagenix Wound…

9
Systima

9
Tacho Holdings

9
Taco

9
Taiwan Mitochondr…

9
Takeda AS

9
Tapjoy

9
Tasmit

9
Taisei Plas ◀

9

What this shows Taisei holds 9 patents at rank #30,285, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Taisei

By rank, the assignees closest to #30,285 in granted patent volume.

Leaders in Y10T (Technical Subjects Covered BY Former US Classification)

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

Taisei's Innovation Score vs. every tracked assignee

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

31 35th percentile higher than 35% 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 · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Taisei Plas Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	33.3%
2017	4	44.4%
2019	1	11.1%
2024	1	11.1%

Which technologies does Taisei Plas Co., Ltd. patent most?

Y10T - Technical Subjects Covered BY Former US Classification 8

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 7

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 7

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 7

C23F - Non-mechanical Removal OF Metallic Material From Surface ; Inhibiting Corrosion OF Metallic Material OR Incrustation IN GENERAL; Multi-step Processes FOR Surface Treatment OF Metallic Material Involving AT Least ONE Process Provided FOR IN Class C23 AND AT Least ONE Process Covered BY Subclass C21d 6

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 4

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 2

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

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

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

Y02T - Climate Change Mitigation Technologies Related TO Transportation 1

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 1

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

Top 14 of 14 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

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

Taisei Plas Co., Ltd.'s lead technology class is Y10T (Technical Subjects Covered BY Former US Classification), 88.9% of its portfolio - see every assignee active in that class. Explore Y10T
Ranked #30,316 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Taisei Plas Co., Ltd. against Systagenix Wound Management, Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 30.5/100 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.