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

According to USPTO PatentsView (2015–2025 granted utility patents), Tsukishima Kikai Co., Ltd. ranks #18,225 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 Tsukishima Kikai Co., Ltd. hold?

Tsukishima Kikai Co., Ltd. holds 16 US utility patents granted between 2016 and 2024, spanning 24 technology areas.

What is Tsukishima Kikai Co., Ltd.'s Innovation Score?

Tsukishima Kikai Co., Ltd. has an Innovation Score of 35.7 out of 100 (top 48% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Tsukishima Kikai Co., Ltd. focus on?

Tsukishima Kikai Co., Ltd.'s top technology area is F26B (Drying Solid Materials OR Objects BY Removing Liquid Therefrom) with 5 patents, ranking #41 of 377 assignees active in that subclass. Grants appear in 24 CPC subclasses total.

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

Tsukishima Kikai Co., Ltd.'s recent grant velocity is -77% 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 Tsukishima Kikai Co., Ltd.'s patents?

Tsukishima Kikai Co., Ltd.'s patents average 9.9 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 Tsukishima Kikai 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

Tsukishima Kikai Co., Ltd.

USPTO PatentsView assignee record - 16 granted patents across 24 technology areas, recorded in grant years 2016–2024. 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: F26B (Drying Solid Materials OR Objects BY Removing Liquid Therefrom).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Tsukishima ranks #18,225 of 49,997 tracked US assignees by granted-patent volume, with 16 patents across 24 technology areas.

#18,225
of 49,997 US assignees by volume: Top 48%
by Innovation Score (35.7/100): 9.9
avg claims per patent: -77%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R18225 · Foreign Corporation #18,225 · 16 grants

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

GRANTS-MICRO 16 grants
MID-PACK #18,225/49,997
PHOTO-FINISH Transtector Systems
CPC-FOCUS F26B · 24 areas
INNOV-THIN 35.7/100
CLAIMS-PAR 9.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -77% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Transtector Systems, 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 Tsukishima’s 35.7 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 9.8 pts (27%) Velocity 2.7 pts (8%) Breadth 17.3 pts (48%) Claim depth 5.9 pts (17%)

Qualcomm Incorporated · highest

85
Tsukishima Kikai · this assignee

36
3D Lighting… · lowest

7

What this shows Tsukishima's Innovation Score is 35.7/100 (top 48% 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 Tsukishima?

Each dot is one of Tsukishima’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). Tsukishima’s own 9.9 claims/patent is at or below the 11.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Tsukishima's grants concentrate

Tsukishima Kikai Co., Ltd. is a focused PatentsView assignee: 24 CPC subclasses with 31.3% of grants classified under F26B (Drying Solid Materials OR Objects BY Removing Liquid Therefrom). Peak complete grant year is 2018 (6 grants) versus a trough of 1 in 2016. By volume, Tsukishima sits between Transtector Systems, Inc. and Twiin, LLC.

Tsukishima's three-year grant acceleration

Tsukishima Kikai Co., Ltd. shows 2 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.

Transtector Syste…

16
TRC Recreation

16
Treemagineers

16
Trophy

16
Tunghsu Group

16
Turtle WAX

16
TVS Motor

16
Twiin

16
Tsukishima Kikai ◀

16

What this shows Tsukishima holds 16 patents at rank #18,190, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tsukishima

By rank, the assignees closest to #18,190 in granted patent volume.

Leaders in F26B (Drying Solid Materials OR Objects BY Removing Liquid Ther…)

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

Tsukishima's Innovation Score vs. every tracked assignee

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

36 Top 48% higher than 52% 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 · 2016–2024

Grants by year

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

View data table

Tsukishima Kikai Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	6.3%
2017	2	12.5%
2018	6	37.5%
2019	4	25.0%
2021	1	6.3%
2022	1	6.3%
2024	1	6.3%

Which technologies does Tsukishima Kikai Co., Ltd. patent most?

F26B - Drying Solid Materials OR Objects BY Removing Liquid Therefrom 5

F23G - Cremation FURNACES; Consuming Waste Products BY Combustion 4

F23C - Methods OR Apparatus FOR Combustion Using Fluid Fuel OR Solid Fuel Suspended IN ; A Carrier GAS OR; AIR 4

B01D - Separation 4

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 3

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 3

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 3

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 3

F23L - Supplying AIR OR Non-combustible Liquids OR Gases TO Combustion Apparatus IN General ; Valves OR Dampers Specially Adapted FOR Controlling AIR Supply OR Draught IN Combustion Apparatus ; Inducing Draught IN Combustion APPARATUS; Tops FOR Chimneys OR Ventilating SHAFTS; Terminals FOR Flues 3

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 3

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 3

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 3

F23J - Removal OR Treatment OF Combustion Products OR Combustion RESIDUES; Flues 2

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 2

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 2

Top 15 of 24 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

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

Tsukishima Kikai Co., Ltd.'s lead technology class is F26B (Drying Solid Materials OR Objects BY Removing Liquid Therefrom), 31.3% of its portfolio - see every assignee active in that class. Explore F26B
Ranked #18,225 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tsukishima Kikai Co., Ltd. against Transtector Systems, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 35.7/100 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.