PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Shanghai Hongchen Household Wares Co., Ltd.

USPTO PatentsView assignee record - 7 granted patents across 0 technology areas, recorded in grant years 2015–2015. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength.

RSS updates for this company
Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Shanghai ranks #37,436 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 0 technology areas.

#37,436
of 49,997 US assignees by volume
1st percentile
by Innovation Score (7.8/100)
1.0
avg claims per patent
-100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R37436 · Foreign Corporation #37,436 · 7 grants

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

  • GRANTS-MICRO 7 grants
  • MID-PACK #37,436/49,997
  • PHOTO-FINISH Shanghai Conant…
  • CPC-UNK CPC blank
  • INNOV-LOW 7.8/100
  • CLAIMS-SPARSE 1.0 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -100% vel
  • BOOK-RICH 9/10 fields

Nearest grant-volume peer: Shanghai Conant Optical Co., Ltd (±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.

Innovation-score neighbourhood around Shanghai

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

score

What this shows Shanghai's Innovation Score is 7.8/100 (1st 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

Where Shanghai's grants concentrate

Shanghai Hongchen Household Wares Co., Ltd. is a focused PatentsView assignee: 0 CPC subclasses . By volume, Shanghai sits between Shanghai Conant Optical Co., Ltd and Shanghai Qiyu Communication Technology Service Center.

Who files at Shanghai's volume?

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

patents

What this shows Shanghai holds 7 patents at rank #37,365, 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 Shanghai

By rank, the assignees closest to #37,365 in granted patent volume.

Shanghai's Innovation Score vs. every tracked assignee

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

8 1st percentile higher than 1% 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

Grants by year

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

View data table
Shanghai Hongchen Household Wares Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 7 100.0%

Where it ranks

Overall rank by patents

#37,436

of 49,997 tracked assignees

Innovation Score

7.8 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Shanghai Hongchen Household Wares Co., Ltd.'s patent record in context - here's where to go next.

  • Ranked #37,436 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Shanghai Hongchen Household Wares Co., Ltd. against Shanghai Conant Optical Co., Ltd, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 7.8/100 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

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.