USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Hangzhou Golden SUN AUTO Parts Co., Ltd.

USPTO PatentsView assignee record - 12 granted patents across 5 technology areas, recorded in grant years 2017–2024. 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: B60J (WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES).

The verdict

According to USPTO PatentsView, Hangzhou ranks #22,688 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 5 technology areas.

#22,688
of 50,000 US assignees by volume
Top 30%
by Innovation Score (42.5/100)
9.6
avg claims per patent
+100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22688 · Foreign Corporation #22,688 · 12 grants

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

  • GRANTS-MICRO 12 grants
  • MID-PACK #22,688/50,000
  • PHOTO-FINISH HAICHEN AUTO PARTS
  • CPC-NARROW B60J · 5 areas
  • INNOV-PAR 42.5/100
  • CLAIMS-PAR 9.6 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-SURGE +100% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Haichen AUTO Parts 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 Hangzhou

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

score

What this shows Hangzhou's Innovation Score is 42.5/100 (top 30% 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 Hangzhou's grants concentrate

Hangzhou Golden SUN AUTO Parts Co., Ltd. is a focused PatentsView assignee: 5 CPC subclasses with 83.3% of grants classified under B60J (WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES). Peak complete grant year is 2022 (6 grants) versus a trough of 1 in 2018. By volume, Hangzhou sits between Haichen AUTO Parts Co., Ltd. and HEAL Systems Lp.

Who files at Hangzhou's volume?

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

patents

What this shows Hangzhou holds 12 patents at rank #22,683, 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 Hangzhou

By rank, the assignees closest to #22,683 in granted patent volume.

Leaders in B60J (Windows)

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

Hangzhou's Innovation Score vs. every tracked assignee

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

43 Top 30% higher than 70% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). This entry sits in this band. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. 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

02468 201720182019202120222024 1
USPTO utility patent grants by year · 2017–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table
Hangzhou Golden SUN AUTO Parts Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2017 2 16.7%
2018 1 8.3%
2019 1 8.3%
2021 1 8.3%
2022 6 50.0%
2024 1 8.3%

Where it ranks

Overall rank by patents

#22,688

of 50,000 tracked assignees

Innovation Score

42.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.