USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Qilu University of Technology

USPTO PatentsView assignee record — 33 granted patents across 50 technology areas, active 2019–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: D21H (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERW).

33
Total patents granted
50
CPC technology areas
9.1
Avg claims per patent
+3100%
5-year filing velocity

Portfolio overview

Qilu University of Technology has been granted 33 US utility patents between 2019 and 2025, placing Qilu University of Technology at rank #9,595 across all assignees tracked by PlainPatent. This portfolio spans 50 distinct Cooperative Patent Classification (CPC) subclasses, averaging 9.1 claims per patent with primary concentration in D21H (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERW). As a Foreign Corporation, Qilu University of Technology is one of the broader-portfolio assignees in the PatentsView dataset. The composite Innovation Score of 62.6/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 32 grants, compared with 1 in the 2015–2019 window — a +3100% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Qilu University of Technology's 9.1 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 50 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Qilu University of Technology against peers pursuing similar technology classes.

How does Qilu compare?

Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀

patents

What this shows Qilu holds 33 patents — placing it at rank #9,595 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

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

USPTO utility patent grants by year · 2019–2025

051015 201920202022202320242025 8
USPTO utility patent grants by year · 2019–2025

Grants by year

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

View data table
Qilu University of Technology patent grants by year, 2015–2025
Year Patents Granted Share of Period
2019 1 3.0%
2020 1 3.0%
2022 7 21.2%
2023 11 33.3%
2024 5 15.2%
2025 8 24.2%

Which technologies does Qilu University of Technology patent most?

Top 15 of 50 technology areas

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Multi-domain
Claim Depth Simple
Velocity Accelerating

Where it ranks

Overall rank by patents

#9,595

Across all tracked assignees

Innovation Score

62.6 out of 100

View all rankings →

Data Source

USPTO PatentsView — US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Qilu University of Technology hold?
Qilu University of Technology holds 33 US granted patents filed between 2019 and 2025, spanning 50 technology areas.
What is Qilu University of Technology's Innovation Score?
Qilu University of Technology has an Innovation Score of 62.6 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does Qilu University of Technology focus on?
Qilu University of Technology's top technology area is D21H (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR) with 6 patents. The company has filed patents in 50 CPC subclasses total.
Is Qilu University of Technology's patent filing rate increasing or decreasing?
Qilu University of Technology's recent filing velocity is +3100% compared to the prior five-year period. This indicates accelerating innovation.
What does claim depth mean for Qilu University of Technology's patents?
Qilu University of Technology's patents average 9.1 claims each. This is relatively simple claim structure, typical for focused inventions.
How is the Qilu University of Technology 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.

Learn More

Explore the patent dataset

Data sourced from USPTO PatentsView — official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.

All federal data sources used on this page
  • USPTO PatentsView — official U.S. Patent and Trademark Office bulk patent data. patentsview.org
  • USPTO Patent Application Information Retrieval (PAIR) — application status and file history. uspto.gov/patents/pair
  • USPTO Bulk Data Storage System — comprehensive patent text + claims dataset. bulkdata.uspto.gov
  • USPTO CPC Classification — Cooperative Patent Classification scheme for technology categorization. uspto.gov/cpc
  • SEC EDGAR — public filings cross-reference for assignee corporate entity matching. sec.gov/edgar
  • WIPO PATENTSCOPE — international patent context (related international filings). wipo.int/patentscope