Where does Daishowa Seiki Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Daishowa Seiki Kabushiki Kaisha ranks #28,530 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 Daishowa Seiki Kabushiki Kaisha hold?

Daishowa Seiki Kabushiki Kaisha holds 9 US utility patents granted between 2015 and 2019, spanning 8 technology areas.

What is Daishowa Seiki Kabushiki Kaisha's Innovation Score?

Daishowa Seiki Kabushiki Kaisha has an Innovation Score of 20.8 out of 100 (7th 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 Daishowa Seiki Kabushiki Kaisha focus on?

Daishowa Seiki Kabushiki Kaisha's top technology area is B23B (TURNING; Boring) with 6 patents, ranking #77 of 490 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

Is Daishowa Seiki Kabushiki Kaisha's patent grant rate increasing or decreasing?

Daishowa Seiki Kabushiki Kaisha's recent grant velocity is -100% 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 Daishowa Seiki Kabushiki Kaisha's patents?

Daishowa Seiki Kabushiki Kaisha's patents average 4.7 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 Daishowa Seiki Kabushiki Kaisha 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

Daishowa Seiki Kabushiki Kaisha

USPTO PatentsView assignee record - 9 granted patents across 8 technology areas, recorded in grant years 2015–2019. 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: B23B (TURNING; Boring).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Daishowa ranks #28,530 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 8 technology areas.

#28,530
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.8/100): 4.7
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R28530 · Foreign Corporation #28,530 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #28,530/49,997
PHOTO-FINISH Daedalus Cloud
CPC-NARROW B23B · 8 areas
INNOV-THIN 20.8/100
CLAIMS-SPARSE 4.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Daedalus Cloud LLC (±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 Daishowa’s 20.8 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 (38%) Velocity 0.0 pts (0%) Breadth 10.0 pts (48%) Claim depth 2.8 pts (13%)

Qualcomm Incorporated · highest

85
Daishowa Seiki · this assignee

21
3D Lighting… · lowest

7

What this shows Daishowa's Innovation Score is 20.8/100 (7th 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 Daishowa?

Each dot is one of Daishowa’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). Daishowa’s own 4.7 claims/patent is at or below the 16.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Daishowa's grants concentrate

Daishowa Seiki Kabushiki Kaisha is a focused PatentsView assignee: 8 CPC subclasses with 66.7% of grants classified under B23B (TURNING; Boring). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2015. By volume, Daishowa sits between Dynasol ELASTÓMEROS, S.A.U. and DataLocker Inc..

Dynasol ElastÓMer…

9
Dynex Semiconduct…

9
Daedalus Cloud

9
Daedalus Prime

9
Dali Medical Devi…

9
Dance Biopharm

9
Data Culpa

9
Datalocker

9
Daishowa Seiki ◀

9

What this shows Daishowa holds 9 patents at rank #28,569, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Daishowa

By rank, the assignees closest to #28,569 in granted patent volume.

Leaders in B23B (Turning)

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

Daishowa's Innovation Score vs. every tracked assignee

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

21 7th percentile higher than 7% 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 · 2015–2019

Grants by year

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

View data table

Daishowa Seiki Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2016	1	11.1%
2017	4	44.4%
2018	2	22.2%
2019	1	11.1%

Which technologies does Daishowa Seiki Kabushiki Kaisha patent most?

B23B - TURNING; Boring 6

Y10T - Technical Subjects Covered BY Former US Classification 5

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 2

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 2

B23C - Milling 2

B23G - Thread CUTTING; Working OF Screws, Bolt Heads, OR Nuts, IN Conjunction Therewith 1

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 1

B23D - PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; Like Operations FOR Working Metal BY Removing Material, NOT Otherwise Provided FOR 1

Top 8 of 8 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

Daishowa Seiki Kabushiki Kaisha's patent record in context - here's where to go next.

Daishowa Seiki Kabushiki Kaisha's lead technology class is B23B (TURNING; Boring), 66.7% of its portfolio - see every assignee active in that class. Explore B23B
Ranked #28,530 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Daishowa Seiki Kabushiki Kaisha against Dynasol ELASTÓMEROS, S.A.U., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.8/100 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.