PlainPatent
USPTO 2015–2025 USPTO PatentsView Assignee

Seikilife (Shanghai) Housewares Co., Ltd.

USPTO PatentsView assignee record - 17 granted patents across 2 technology areas, recorded in grant years 2015–2020. 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: A47G (Household OR Table Equipment).

RSS updates for this company
Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Seikilife ranks #17,165 of 49,997 tracked US assignees by granted-patent volume, with 17 patents across 2 technology areas.

#17,165
of 49,997 US assignees by volume
3rd percentile
by Innovation Score (15.9/100)
1.5
avg claims per patent
-94%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R17165 · Assignee #17,165 · 17 grants

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

  • GRANTS-MICRO 17 grants
  • MID-PACK #17,165/49,997
  • PHOTO-FINISH Schweitzer Mauduit…
  • CPC-NARROW A47G · 2 areas
  • INNOV-LOW 15.9/100
  • CLAIMS-SPARSE 1.5 claims/avg
  • TYPE-UNK Type blank
  • VEL-DROP -94% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Schweitzer Mauduit International, 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 Seikilife’s 15.9 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Innovation-score neighbourhood around Seikilife

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Seikilife's Innovation Score is 15.9/100 (3rd 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Does more volume mean deeper claims for Seikilife?

Each dot is one of Seikilife’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). Seikilife’s own 1.5 claims/patent is at or below the 16.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Seikilife vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView. 2×2 strategic matrix plotting 9 entities by Granted patents (volume) (X) and Avg claims / patent (Y), with a crosshair dividing the plot into four quadrants. Volume + depthSelective & thoroughVolume over depthLean filer 16.916.91717.1 010203040 Granted patents (volume) Avg claims / patent Schweitzer Mauduit International, Inc. - 17, 21.12Schweitzer Maudui…Scott Health & Safety Ltd. - 17, 14.59Scott Health & Sa…Searete LLC - 17, 29.06SeareteSeekOps Inc. - 17, 18SeekopsSelkirk Sport, LLC - 17, 2.12Selkirk SportSendyne Corporation - 17, 16.12SendyneSenior IP GmbH - 17, 22.53Senior IPShanghai Lilith Technology Corporation - 17, 12.06Shanghai Lilith T…Seikilife (Shanghai) Housewares Co., Ltd. - 17, 1.53Seikilife (Shangh…
Seikilife vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Seikilife's grants concentrate

Seikilife (Shanghai) Housewares Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 5.9% of grants classified under A47G (Household OR Table Equipment). Peak complete grant year is 2019 (8 grants) versus a trough of 1 in 2018. By volume, Seikilife sits between Schweitzer Mauduit International, Inc. and Shanghai Lilith Technology Corporation.

Who files at Seikilife's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows Seikilife holds 17 patents at rank #17,209, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near Seikilife

By rank, the assignees closest to #17,209 in granted patent volume.

Leaders in A47G (Household OR Table Equipment)

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

Seikilife's Innovation Score vs. every tracked assignee

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

16 3rd percentile higher than 3% of 49,997 US assignees

This assignee 0 100 every tracked assignee, bucketed by value

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

0246810 20152017201820192020 1
USPTO utility patent grants by year · 2015–2020

Grants by year

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

View data table
Seikilife (Shanghai) Housewares Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 5 29.4%
2017 2 11.8%
2018 1 5.9%
2019 8 47.1%
2020 1 5.9%

Which technologies does Seikilife (Shanghai) Housewares Co., Ltd. patent most?

Top 2 of 2 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

Seikilife (Shanghai) Housewares Co., Ltd.'s patent record in context - here's where to go next.

  • Seikilife (Shanghai) Housewares Co., Ltd.'s lead technology class is A47G (Household OR Table Equipment), 5.9% of its portfolio - see every assignee active in that class. Explore A47G
  • Ranked #17,165 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Seikilife (Shanghai) Housewares Co., Ltd. against Schweitzer Mauduit International, Inc., an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 15.9/100 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

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.