Where does Shonan Gosei-jushi Seisakusho K.K. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Shonan Gosei-jushi Seisakusho K.K. ranks #20,420 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 Shonan Gosei-jushi Seisakusho K.K. hold?

Shonan Gosei-jushi Seisakusho K.K. holds 14 US utility patents granted between 2015 and 2023, spanning 9 technology areas.

What is Shonan Gosei-jushi Seisakusho K.K.'s Innovation Score?

Shonan Gosei-jushi Seisakusho K.K. has an Innovation Score of 38.7 out of 100 (top 40% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Shonan Gosei-jushi Seisakusho K.K.'s patent grant rate increasing or decreasing?

Shonan Gosei-jushi Seisakusho K.K.'s recent grant velocity is -44% 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 Shonan Gosei-jushi Seisakusho K.K.'s patents?

Shonan Gosei-jushi Seisakusho K.K.'s patents average 9.1 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 Shonan Gosei-jushi Seisakusho K.K. 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

Shonan Gosei-jushi Seisakusho K.K.

Q: What technology areas does Shonan Gosei-jushi Seisakusho K.K. focus on?

Shonan Gosei-jushi Seisakusho K.K.'s top technology area is F16L (PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General) with 13 patents, ranking #134 of 1,907 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 14 granted patents across 9 technology areas, recorded in grant years 2015–2023. 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: F16L (PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Shonan ranks #20,420 of 49,997 tracked US assignees by granted-patent volume, with 14 patents across 9 technology areas.

#20,420
of 49,997 US assignees by volume: Top 40%
by Innovation Score (38.7/100): 9.1
avg claims per patent: -44%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R20420 · Foreign Corporation #20,420 · 14 grants

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

GRANTS-MICRO 14 grants
MID-PACK #20,420/49,997
PHOTO-FINISH Shenzhen Qiaohua…
CPC-NARROW F16L · 9 areas
INNOV-THIN 38.7/100
CLAIMS-PAR 9.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -44% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shenzhen Qiaohua Industries 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 Shonan’s 38.7 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 9.4 pts (24%) Velocity 13.3 pts (34%) Breadth 10.6 pts (27%) Claim depth 5.4 pts (14%)

Qualcomm Incorporated · highest

85
Shonan Gosei-jushi… · this assignee

39
3D Lighting… · lowest

7

What this shows Shonan's Innovation Score is 38.7/100 (top 40% 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 Shonan?

Each dot is one of Shonan’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). Shonan’s own 9.1 claims/patent is ABOVE the 6.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Shonan's grants concentrate

Shonan Gosei-jushi Seisakusho K.K. is a focused PatentsView assignee: 9 CPC subclasses with 92.9% of grants classified under F16L (PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General). Peak complete grant year is 2015 (4 grants) versus a trough of 1 in 2016. By volume, Shonan sits between Shenzhen Qiaohua Industries Limited and Siliconfile Technologies Inc..

Shonan's three-year grant acceleration

Shonan Gosei-jushi Seisakusho K.K. shows 4 grants in 2022–2024 against only 2 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.

Shenzhen Qiaohua…

14
Shenzhen Seefaa S…

14
Shenzhen Zhilun D…

14
Shinsegae Interna…

14
Shuangma Plastic…

14
Sick Stegmann

14
Sigvaris

14
Siliconfile

14
Shonan Gosei-jush… ◀

14

What this shows Shonan holds 14 patents at rank #20,381, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Shonan

By rank, the assignees closest to #20,381 in granted patent volume.

Leaders in F16L (Pipes)

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

Shonan's Innovation Score vs. every tracked assignee

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

39 Top 40% higher than 60% 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 · 2015–2023

Grants by year

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

View data table

Shonan Gosei-jushi Seisakusho K.K. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	28.6%
2016	1	7.1%
2017	1	7.1%
2018	2	14.3%
2019	1	7.1%
2020	1	7.1%
2022	3	21.4%
2023	1	7.1%

Which technologies does Shonan Gosei-jushi Seisakusho K.K. patent most?

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 13

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 4

E03F - SEWERS; Cesspools 3

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

B26D - CUTTING; Details Common TO Machines FOR Perforating, Punching, Cutting-out, Stamping-out OR Severing 1

B26F - PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; Severing BY Means Other Than Cutting 1

B62D - Motor VEHICLES; Trailers 1

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 1

E04G - SCAFFOLDING; FORMS; SHUTTERING; Building Implements OR Aids, OR Their USE; Handling Building Materials ON THE SITE; Repairing, Breaking-up OR Other Work ON Existing Buildings 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

Shonan Gosei-jushi Seisakusho K.K.'s patent record in context - here's where to go next.

Shonan Gosei-jushi Seisakusho K.K.'s lead technology class is F16L (PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General), 92.9% of its portfolio - see every assignee active in that class. Explore F16L
Ranked #20,420 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Shonan Gosei-jushi Seisakusho K.K. against Shenzhen Qiaohua Industries Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.7/100 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.