Queen's University at Kingston
USPTO PatentsView assignee record - 112 granted patents across 98 technology areas, recorded in grant years 2015–2025. 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: H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;).
The verdict
According to USPTO PatentsView, Queen's ranks #3,332 of 49,997 tracked US assignees by granted-patent volume, with 112 patents across 98 technology areas.
- #3,332
- of 49,997 US assignees by volume
- Top 3%
- by Innovation Score (60.5/100)
- 17.2
- avg claims per patent
- +56%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R3332 · Foreign Corporation #3,332 · 112 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
- GRANTS-MID 112 grants
- TOP-DECILE #3,332/49,997
- PHOTO-FINISH Kyowa Hakko Kirin
- CPC-WIDE H02M · 98 areas
- INNOV-STRONG 60.5/100
- CLAIMS-RICH 17.2 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-SURGE +56% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Kyowa Hakko Kirin 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.
How Queen's’s 60.5 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 Queen's
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Hunt Energy… · near
Hunt Energy… · near
61 score
- University of… · near
University of… · near
61 score
- Volvo Penta · near
Volvo Penta · near
61 score
- Queen's University… · this assignee
Queen's University… · this assignee
60 score
- Xi'an University of… · near
Xi'an University of… · near
60 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Queen's's Innovation Score is 60.5/100 (top 3% 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 Queen's?
Each dot is one of Queen's’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). Queen's’s own 17.2 claims/patent is at or below the 18.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
How Queen's's grant cadence moved
Between 2020–2024, Queen's University at Kingston received 61 grants versus 39 in 2015–2019 (+56% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2022 at 20 grants and bottomed in 2015 at 6. Lead class H02M accounts for 19.6% of the portfolio across 98 subclasses. Volume neighbours: Kyowa Hakko Kirin Co., Ltd. (#3,328) and Welltec A/S (#3,336).
Queen's's three-year grant acceleration
From 2019–2021 to 2022–2024, Queen's University at Kingston moved from 31 to 41 grants (1.32x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #617. See the growth leaderboard.
Who files at Queen's's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Kyowa Hakko Kirin
Kyowa Hakko Kirin Co., Ltd.
112 patents
- Nippon Pillar Pac…
Nippon Pillar Packing Co., Ltd.
112 patents
- Niagara Bottling
Niagara Bottling, LLC
112 patents
- Pixar
PIXAR
112 patents
- Sandisk 3D
SanDisk 3D LLC
112 patents
- Tsmc China
Tsmc China Company, Limited
112 patents
- The Travelers Ind…
The Travelers Indemnity Company
112 patents
- Welltec A/S
Welltec A/S
112 patents
- Queen's Universit… ◀
Queen's University at Kingston
112 patents
What this shows Queen's holds 112 patents at rank #3,332, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Queen's
By rank, the assignees closest to #3,332 in granted patent volume.
- Kyowa Hakko Kirin Co., Ltd. #3,328 · 112 patents
- Nippon Pillar Packing Co., Ltd. #3,329 · 112 patents
- Niagara Bottling, LLC #3,330 · 112 patents
- PIXAR #3,331 · 112 patents
- SanDisk 3D LLC #3,333 · 112 patents
- Tsmc China Company, Limited #3,334 · 112 patents
- The Travelers Indemnity Company #3,335 · 112 patents
- Welltec A/S #3,336 · 112 patents
Leaders in H02M (Apparatus FOR Conversion Between AC AND AC)
Other assignees with the most granted patents in Queen's's primary technology class.
- Mitsubishi Electric Corporation 1,101 in class
- Texas Instruments Incorporated 945 in class
- Fuji Electric Co., Ltd. 565 in class
- Infineon Technologies Austria AG 537 in class
- Denso Corporation 536 in class
- Rohm Co., Ltd. 516 in class
- Delta Electronics, Inc. 417 in class
- Semiconductor Components Industries, LLC 358 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Queen's, neither rank-band nor same-CPC leaders (those blocks stay above). In H02M (Apparatus FOR Conversion Between AC AND AC), Queen's ranks #180 of 1,541 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (60 here).
Similar claim depth
Nearest assignees by average claims per patent (17.2 here).
Queen's's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
60 Top 3% higher than 97% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 6 | 5.4% |
| 2016 | 6 | 5.4% |
| 2017 | 7 | 6.3% |
| 2018 | 9 | 8.0% |
| 2019 | 11 | 9.8% |
| 2020 | 7 | 6.3% |
| 2021 | 13 | 11.6% |
| 2022 | 20 | 17.9% |
| 2023 | 12 | 10.7% |
| 2024 | 9 | 8.0% |
| 2025partial year | 12 | 10.7% |
Which technologies does Queen's University at Kingston patent most?
Top 15 of 98 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Queen's University at Kingston's patent record in context - here's where to go next.
- Queen's University at Kingston's lead technology class is H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;), 19.6% of its portfolio - see every assignee active in that class. Explore H02M
- Ranked #3,332 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Queen's University at Kingston against Kyowa Hakko Kirin Co., Ltd., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 60.5/100 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.
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.