Microwave & Dielectric Heating Patents: Who Leads, Trends 2026
Microwave and Dielectric Industrial Heating Patents: Filing Trends and Leading Assignees
Filing peaked in 2017 at 243 records, and the complete-year trend from 2021 to 2024 shows a 52% decline, from 127 to 61 filings. Filings ran from 243 in 2017 down to 7 in the partial 2026 year. The reliable comparison is 2021 to 2024, where volume fell 52%, from 127 to 61 records — a decline worth reading against the 18-month publication lag rather than as a sign the field has stopped.
- 1SEMICON ENERGY LAB CO LTD8.9%
- 2MARKFORGED INC2.8%
- 3AVEDRO INC1.6%
- 4HARRIS CORP1.6%
- 5ADVANCED TECHNOLOGY EMISSION SOLUTIONS INC1.5%
See the full microwave and dielectric industrial heating 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 on this landscape
Why did microwave and dielectric heating patent filings drop after 2017?
The dataset shows a peak of 243 filings in 2017 and a documented decline through the last complete comparison years, from 127 in 2021 to 61 in 2024, a 52% fall. This doesn’t necessarily mean interest disappeared; it can reflect a maturing claim space where core applicator and cavity-design concepts were already staked out, pushing new filers toward narrower or adjacent claims. Because publication lags filing by around 18 months, the 2025-2026 figures in any such dataset are still incomplete and should not be read as continuing the decline further than the confirmed years show.
Which companies lead in microwave and dielectric heating patents?
The ranking covers 100 companies with a clear leader holding 303 records, well ahead of the fifth-placed assignee at 50. The top five combined account for 16.3% of all 3,406 records in scope, and the top ten reach 21.9% — concentrated at the top but leaving most of the field to a long tail of smaller filers. Anyone assessing competitive position should look past the leader to this tail, since it represents the bulk of ongoing activity.
What IPC classes matter most for microwave heating patent searches?
H05B, covering electric heating and lighting circuits, is the largest single class at 21.2% of the 3,406 records. But A61B (diagnosis and surgery), H01L (semiconductors), A61N (electrotherapy) and B01J (chemical processes) each cover between 7.8% and 9.9% of records, meaning a search limited to industrial heating classifications alone will miss a substantial share of relevant filings in medical and semiconductor-adjacent classes.
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 Microwave and Dielectric Industrial Heating 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.