Overall rank by patents
#1,847
of 49,997 tracked assignees
USPTO PatentsView assignee record - 218 granted patents across 171 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).
The verdict
According to USPTO PatentsView, National ranks #1,847 of 49,997 tracked US assignees by granted-patent volume, with 218 patents across 171 technology areas.
USPTO PatentsView assignee plate
Corpus R1847 · Foreign Corporation #1,847 · 218 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL
Nearest grant-volume peer: Carl Zeiss Vision International GmbH (±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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
China University of… · near
51 score
Croda International · near
51 score
Foret Plasma Labs · near
51 score
National Chung Shan… · this assignee
51 score
MAN Energy Solutions… · near
51 score
3D Lighting… · lowest
7 score
What this shows National's Innovation Score is 51.0/100 (top 12% 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.
Between 2020–2024, National Chung Shan Institute OF Science AND Technology received 101 grants versus 113 in 2015–2019 (-11% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2020 at 48 grants and bottomed in 2024 at 4. Lead class Y02E accounts for 10.1% of the portfolio across 171 subclasses. Volume neighbours: ThyssenKrupp Steel Europe AG (#1,843) and Suncast Technologies, LLC (#1,851).
From 2019–2021 to 2022–2024, National Chung Shan Institute OF Science AND Technology moved from 113 to 27 grants (0.24x 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 #3,053. See the growth leaderboard.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
ThyssenKrupp Steel Europe AG
219 patents
Vista Outdoor Operations LLC
219 patents
Carl Zeiss Vision International GmbH
218 patents
Furukawa Automotive Systems Inc.
218 patents
NIO USA, Inc.
218 patents
SL Corporation
218 patents
Steelseries ApS
218 patents
Suncast Technologies, LLC
218 patents
National Chung Shan Institute OF Science AND Technology
218 patents
What this shows National holds 218 patents at rank #1,847, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #1,847 in granted patent volume.
Other assignees with the most granted patents in National's primary technology class.
Two PlainPatent-derived peer sets for National, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (51 here).
Nearest assignees by average claims per patent (9.7 here).
National's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
51 Top 12% higher than 88% 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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 10 | 4.6% |
| 2016 | 13 | 6.0% |
| 2017 | 25 | 11.5% |
| 2018 | 26 | 11.9% |
| 2019 | 39 | 17.9% |
| 2020 | 48 | 22.0% |
| 2021 | 26 | 11.9% |
| 2022 | 13 | 6.0% |
| 2023 | 10 | 4.6% |
| 2024 | 4 | 1.8% |
| 2025partial year | 4 | 1.8% |
Top 15 of 171 technology areas
Overall rank by patents
#1,847
of 49,997 tracked assignees
51.0 out of 100
What to do with this data
National Chung Shan Institute OF Science AND Technology's patent record in context - here's where to go next.
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.