Overall rank by patents
#1,493
of 49,997 tracked assignees
USPTO PatentsView assignee record - 278 granted patents across 22 technology areas, recorded in grant years 2020–2025. 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: H01L (Semiconductor Devices NOT Covered BY Class H10).
The verdict
According to USPTO PatentsView, Amkor ranks #1,493 of 49,997 tracked US assignees by granted-patent volume, with 278 patents across 22 technology areas.
USPTO PatentsView assignee plate
Corpus R1493 · Foreign Corporation #1,493 · 278 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Carestream Health, Inc. (±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
Kraton · near
62 score
Amkor Technology… · this assignee
62 score
Rolls-Royce North… · near
62 score
ST Jude Medical… · near
62 score
Sorbonne Universite · near
62 score
3D Lighting… · lowest
7 score
What this shows Amkor's Innovation Score is 62.4/100 (top 2% 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.
Amkor Technology Singapore Holding Pte. Ltd. is a focused PatentsView assignee: 22 CPC subclasses with 98.2% of grants classified under H01L (Semiconductor Devices NOT Covered BY Class H10). Peak complete grant year is 2024 (67 grants) versus a trough of 13 in 2020. By volume, Amkor sits between FireEye, Inc. and Mitsubishi Heavy Industries Engine & Turbocharger, Ltd..
From 2019–2021 to 2022–2024, Amkor Technology Singapore Holding Pte. Ltd. moved from 73 to 164 grants (2.25x 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 #154. See the growth leaderboard.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
FireEye, Inc.
279 patents
Geotab Inc.
279 patents
Rensselaer Polytechnic Institute
279 patents
Teijin Limited
279 patents
Carestream Health, Inc.
278 patents
Dassault Systemes
278 patents
Infineon Technologies Americas Corp.
278 patents
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
278 patents
Amkor Technology Singapore Holding Pte. Ltd.
278 patents
What this shows Amkor holds 278 patents at rank #1,493, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #1,493 in granted patent volume.
Other assignees with the most granted patents in Amkor's primary technology class.
Two PlainPatent-derived peer sets for Amkor, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (62 here).
Nearest assignees by average claims per patent (19.0 here).
Amkor's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
62 Top 2% higher than 98% 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 2020–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2020 | 13 | 4.7% |
| 2021 | 60 | 21.6% |
| 2022 | 42 | 15.1% |
| 2023 | 55 | 19.8% |
| 2024 | 67 | 24.1% |
| 2025partial year | 41 | 14.7% |
Top 15 of 22 technology areas
Overall rank by patents
#1,493
of 49,997 tracked assignees
62.4 out of 100
What to do with this data
Amkor Technology Singapore Holding Pte. Ltd.'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.