Laser Diode Characterization ML Patent Landscape 2026
The laser diode characterization ML patent corpus is small and sharply concentrated, with Kyocera SLD Laser alone holding the majority of the 77 patent families in scope. Activity peaked in 2020 and annual filings have eased since, though publication lag means the most recent cohorts remain under-counted.
Kyocera SLD Laser dominates a compact, highly concentrated field
Kyocera SLD Laser leads the applicant ranking with 43 patent families, nearly triple the combined output of the next two filers. Aurora Operations follows with 15 patent families, and XRPRO LLC holds third place with 5.
The top five filers account for 88% of the hundred largest filers’ combined total, signalling an unusually tight concentration. Only a handful of companies have established a meaningful portfolio; most other entrants hold a single patent family each.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Kyocera SLD Laser Inc | 43 | |
| 2 | Aurora Operations Inc | 15 | |
| 3 | XRPRO LLC | 5 | |
| 4 | Carl Zeiss Meditec AG | 3 | |
| 5 | Endress+Hauser Optical Analysis Inc | 2 | |
| 6 | Freedom Photonics LLC | 1 | |
| 7 | BeachSideLab LLC | 1 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 8 | NTT Inc | 1 | |
| 9 | Seyond Inc | 1 | |
| 10 | NANJING UNIV OF INFORMATION SCI & TECH | 1 | |
| 11 | Zhejiang University | 1 | |
| 12 | Palomino Lab Inc | 1 | |
| 13 | SR University | 1 | |
| 14 | Ours Technology LLC | 1 |
Kyocera SLD Laser’s dominant position means it effectively sets the technical direction in H01S laser and G01S sensing branches, while challengers Aurora Operations and XRPRO have carved narrower but defensible positions in sensing and lidar applications respectively.
The most recent 18–24 months remain subject to publication lag and will be revised upward as pending applications publish; trend reads for 2024–2026 should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity peaked in 2020; laser and sensing classes dominate the technology mix
Two complementary views — annual filing volume and IPC class distribution — reveal both the field’s maturity trajectory and the technical routes that have attracted the most patent activity.
Annual filing trend
Filings climbed from 4 families per year in 2017–2018 to a peak of 19 in 2020, then stepped down to single digits from 2022 onward. The 2024–2026 bars are subject to publication lag and do not represent a settled count; the underlying decline from the 2020 peak appears real on a multi-year basis.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01S (Lasers & stimulated emission) is the dominant class, followed by G01S (Radar, sonar & positioning) and G02B (Optical elements & systems), reflecting the field’s strong tilt toward laser-source and lidar integration. Lower-frequency classes such as G01J (radiation measurement), G06N (AI models), and G01N (material analysis) indicate that sensing-measurement and algorithmic branches remain comparatively sparse.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Compact ultra-violet laser diode configured for li…
According to the present invention, techniques related generally to correction of atmospheric turbulence beam control (CAT) configured with a distributed feedback (DFB) laser diode device are provided. In particular, the present invention provides a method and system for using a DFB laser diode device for correcting atmospheric turbulence beam control… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Lidar systems including a gallium and nitrogen con… | 179 |
| 2 | Apparatus and methods for three-dimensional sensing | 87 |
| 3 | Infrared illumination device configured with a gal… | 58 |
| 4 | Specialized mobile light device configured with a … | 51 |
| 5 | Integrated laser lighting and lidar system | 44 |
| 6 | Distance detecting systems for use in mobile machi… | 35 |
| 7 | Integrated lighting and LIDAR system | 28 |
| 8 | Lidar systems including a gallium and nitrogen con… | 27 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure implies for R&D investment
Concentration, life-cycle stage, geographic footprint, and collaboration patterns together define the strategic context for any new entrant or incumbent expanding their portfolio.
Field is past its 2020 peak; entry cost may be lower but white space is narrowing
The lifecycle is classified as Decline, driven by annual filings easing back from the 2020 peak of 19 families. The multi-year window still encompasses meaningful activity, but the window for foundational claim-staking has likely closed. New entrants should target adjacent or application-specific branches rather than core laser-emission claims already dominated by Kyocera SLD Laser.
Past-peak · 2020One firm holds a structurally dominant share; challengers are distant
Kyocera SLD Laser’s 43 patent families represent an outsized lead over Aurora Operations at 15 and XRPRO at 5. The top five filers account for 88% of the hundred largest filers’ combined total. This tier gap means any challenger faces a significant citation and claim-coverage disadvantage in the core H01S and G01S branches without a differentiated technical angle.
Top-5: 88% of top-100Ours Technology and Aurora Operations form the only documented co-filing pair
The evidence identifies a single collaboration: Ours Technology LLC and Aurora Operations Inc jointly filed 4 patent families. No other co-applicant relationships appear in the corpus. The near-absence of partnerships suggests the field operates largely through independent development or proprietary acquisition rather than consortium-style R&D, which may limit cross-licensing opportunities.
1 active pairUS-centric filing with limited international extension
The United States is the lead office with 53 patent records, followed by WIPO (PCT) and Australia at 6 each, and Europe (EPO) also at 6. China holds only 2 records despite having domestic applicants such as Zhejiang University and Nanjing University of Information Science & Technology in the corpus. The concentrated US footprint signals that non-US markets may offer lower defensive barriers for regional entrants.
US leads · limited PCTGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Ours Technology LLC | Aurora Operations Inc | 4 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Kyocera SLD Laser leads on volume; Aurora Operations is the most active new challenger
The two-tier structure separates Kyocera SLD Laser as a clear incumbent from a cluster of emerging players building positions largely in sensing and lidar applications.
Kyocera SLD Laser Inc
Holding 43 patent families, Kyocera SLD Laser concentrates its portfolio across H01S 5 (laser emission), G01S 7 (radar/sensing), and G02B 27 (optical systems) — a broad, vertically integrated laser-to-sensing stack. Momentum shows a recent trend of down 20% versus the prior period, consistent with the field’s post-peak easing rather than a structural withdrawal.
families: 43Aurora Operations Inc
Aurora Operations holds 15 patent families and enters as a new filer in the recent window, with 5 recent families. Its technical focus spans G01S 7 and G01S 17 (radar and lidar ranging) and H01S 5, reflecting an autonomous-vehicle sensing orientation rather than core laser characterization. Its collaboration with Ours Technology LLC (4 co-filed families) extends its effective portfolio reach.
families: 15| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Kyocera SLD Laser Inc | 8 | ▼ -20% |
| Ours Technology LLC | 4 | ▲ new entrant |
| Aurora Operations Inc | 5 | ▲ new entrant |
| Endress+Hauser Optical Analysis Inc | 2 | ▲ new entrant |
| Freedom Photonics LLC | 1 | ▲ new entrant |
| Zhejiang University | 1 | ▲ new entrant |
| NTT Inc | 1 | ▲ new entrant |
Under-served branches adjacent to the core laser-sensing stack
Several IPC classes appear at low counts relative to the dominant H01S and G01S branches, indicating areas where patent density is thin. These are observations of relative sparsity; each would require independent technical and commercial validation before being treated as an investment target.
G01J · Radiation & Light Measurement
With only 5 patent records, this branch covers radiometric and photometric measurement methods directly applicable to laser diode output characterization — a natural extension of the core H01S work. The sparse coverage and the field’s overall post-peak phase could create an entry window for players with in-house measurement instrumentation capability. Occipital Inc is the only applicant presently active here, suggesting limited defensive cover.
Search this in Eureka →G06N · Computing Based on AI Models
Only 3 patent records fall under G06N, the class most directly representing the ML inference and neural-network methods that underpin predictive characterization of laser diode behavior. Given that the topic explicitly concerns ML-driven characterization, this sparsity is notable. Zhejiang University is the sole academic filer here, leaving substantial room for applicants with signal-processing or edge-inference expertise to establish foundational positions.
Search this in Eureka →How leading filers differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | H01S 5 · Lasers & stimulated emission | G01S 7 · Radar, sonar & positioning | G01S 17 · Radar, sonar & positioning | G02B 27 · Optical elements & systems | F21V 29 · Lighting device components |
|---|---|---|---|---|---|
| SLD Laser Inc | Strong · 25 | Strong · 17 | Strong · 15 | Moderate · 11 | Strong · 15 |
| Kyocera SLD Laser Inc | Strong · 18 | Strong · 11 | Strong · 10 | Strong · 11 | Moderate · 7 |
| Ours Technology LLC | Strong · 13 | Strong · 11 | Strong · 9 | Absent | Absent |
| Aurora Operations Inc | Strong · 7 | Strong · 7 | Strong · 6 | Absent | Absent |
| Carl Zeiss Meditec AG | Strong · 3 | Absent | Absent | Absent | Absent |
| Seyond Inc | Strong · 1 | Strong · 1 | Strong · 1 | Absent | Absent |
Frequently asked questions
The evidence covers 77 patent families in scope globally. The most recent 18–24 months are subject to publication lag, so the settled total will be modestly higher once pending applications publish.
Kyocera SLD Laser Inc leads with 43 patent families, more than double the combined output of the next two applicants (Aurora Operations at 15 and XRPRO LLC at 5).
The field is classified as Decline: annual filings peaked at 19 families in 2020 and have eased back to single digits since 2022. The window for foundational claim-staking in core branches has largely passed.
The United States is the primary filing office with 53 patent records. WIPO (PCT), Australia, and Europe (EPO) each account for 6 records, while China holds only 2 despite the presence of Chinese academic applicants in the corpus.
The evidence identifies one collaboration: Ours Technology LLC and Aurora Operations Inc jointly filed 4 patent families. No other co-applicant relationships appear in the corpus.
G06N (Computing based on AI models) and G01J (Radiation & light measurement) are the sparsest branches directly relevant to ML-driven laser diode characterization, with only 3 and 5 patent records respectively. Both warrant independent technical and freedom-to-operate assessment before investment.
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Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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