Glass Thinning Patents: Who Leads, Where the Gaps Are 2026
Glass Thinning and Slimming Process Patents: Who Holds the Etching Claims
Concentrated at the top. The top 5 ranked assignees account for 78.9% of all 19 records in scope, with a single leader holding 7 filings. Filings ran from 3 in 2017 to a peak of 4 in 2021, then eased to 3 by 2024 — a -25% change over that three-year span. 2025 and 2026 figures are still incomplete because publication typically lags filing by around 18 months, so the recent-year dip should not be read as the field cooling.
- 1台湾积体电路制造股份有限公司36.8%
- 2南亚科技股份有限公司15.8%
- 3香港城市大学10.5%
- 4中国工程物理研究院材料研究所10.5%
- 5湖北工程学院5.3%
See the full glass thinning and slimming processes analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about glass thinning patents
How many patents exist for glass thinning and slimming processes?
This landscape identifies 19 published records matching a search combining glass thinning and hydrofluoric acid etching terms with process-control terms such as thickness uniformity, surface roughness and edge quality. That is a narrow, search-defined slice rather than every patent that touches glass manufacturing, so the true universe of related filings under broader glass-processing searches would be larger. The 19-record base is the denominator used throughout this page’s shares and rankings.
Who are the leading assignees in glass thinning patents?
The ranking returned by this dataset covers 9 companies, with the top-ranked assignee holding 7 of the 19 records and the top 5 combined accounting for 78.9% of all records in scope. That is a concentrated picture for a small field: most of the ranked list holds only one or two filings each. Recent-year data shows the historical leader with zero filings in the latest year, so current leadership by volume and current filing activity are not the same thing here.
Is patent filing activity in glass thinning growing or slowing?
Filings ran from 3 in 2017 to a peak of 4 in 2021, then to 3 by 2024, a -25% change over that three-year window. Because publication lags filing by roughly 18 months, 2025 and 2026 counts are still incomplete and should not be read as a genuine slowdown yet. The safest comparison point is 2021 to 2024, which is the span the underlying growth figure on this page actually covers.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Glass Thinning and Slimming Processes covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.