Laser Diode Eye Safety Patent Landscape 2026
Kyocera SLD Laser dominates a heavily concentrated field, holding more than half of all ranked patent records among the top hundred filers. Annual filing volume peaked in 2019 and has eased substantially since, signalling a maturing, consolidating space rather than an actively expanding frontier.
Kyocera SLD Laser leads a highly concentrated field with a wide gap to all challengers
Kyocera SLD Laser holds the leading position by a substantial margin, with 70 patent records among the top hundred filers — more than seven times the count of the next-ranked applicants, Google LLC and Sense Photonics, each with 9 patent records.
The top five filers — Kyocera SLD Laser, Google, Sense Photonics, Avago Technologies General IP, and Robert Bosch — together account for 42% of the hundred largest filers’ combined total, confirming a strongly tiered structure with a dominant leader and a diffuse mid-tier.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Kyocera SLD Laser Inc | 70 | |
| 2 | Google LLC | 9 | |
| 3 | Sense Photonics Inc | 9 | |
| 4 | Avago Technologies General IP (Singapore) Pte Ltd | 7 | |
| 5 | Robert Bosch GmbH | 6 | |
| 6 | Trumpf Photonic Components GmbH | 6 | |
| 7 | Avago Technologies International Sales Pte Ltd | 5 | |
| 8 | Jabil Inc | 5 | |
| 9 | Mitel Semiconductor AB | 5 | |
| 10 | Avago Technologies ECBU IP (Singapore) Pte Ltd | 5 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | XRPro LLC | 5 | |
| 12 | Wells Fargo Bank NA | 4 | |
| 13 | Streamlight Inc | 4 | |
| 14 | Maxim Integrated Products Inc | 4 | |
| 15 | Perceptron Inc | 4 | |
| 16 | Leica Geosystems AG | 3 | |
| 17 | Finisar Corporation | 3 | |
| 18 | MP Tech LLC | 3 | |
| 19 | Stanford University | 3 | |
| 20 | Panasonic Holdings Corporation | 3 |
Kyocera SLD Laser’s position implies that any new entrant or challenger must either differentiate sharply on technology branch (such as LiDAR safety or optical transmission) or pursue licensing arrangements before competing in the core laser-diode eye-safety design space.
Patent counts for the most recent 18–24 months are likely under-represented due to standard publication lag; the apparent near-zero activity in 2025–2026 should not be read as actual cessation of filings. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity peaked in 2019 and has retreated; H01S lasers anchor the technology mix
The annual filing chart and IPC branch breakdown together reveal a field past its growth peak, with a well-defined technology core and several adjacent branches that remain comparatively sparse.
Annual filing trend
Filings grew from 12 records in 2017 to a peak of 24 in 2019, then declined steadily to 6 in both 2023 and 2024. The 2025–2026 figures reflect publication lag rather than a real cessation of activity and should be treated as provisional.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01S (Lasers and stimulated emission) is the dominant branch by a wide margin, reflecting the fundamental laser-diode design core. G02B (Optical elements), F21V (Lighting device components), and G01S (Radar, sonar and positioning) form a secondary tier, while H04B (Transmission), F21K, and H01L each occupy smaller but non-trivial shares.
↗ 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.
Systems, devices, and methods for laser projectors
Laser safety systems, devices, and methods for use in laser projectors are described. A laser projector includes any number of laser diodes that each emit laser light, a laser diode power source, a current sensor to detect a magnitude of the electric current output by the power source, a photodetector to detect a power/intensity of the laser light, a beam… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Lidar systems including a gallium and nitrogen con… | 179 |
| 2 | Integrated white light source using a laser diode … | 128 |
| 3 | Low cost, mode-field matched, high performance las… | 113 |
| 4 | Method and system for maximizing safe laser power … | 111 |
| 5 | Laser diode driver having automatic power control … | 111 |
| 6 | Specialized integrated light source using a laser … | 101 |
| 7 | Light source apparatus and optical communication m… | 100 |
| 8 | Fiber optic module | 100 |
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 means for R&D investment decisions
The combination of a dominant incumbent, a past-peak filing trajectory, active collaboration between European challengers, and near-exclusive US jurisdictional coverage shapes the risk-reward calculation for any new entrant or existing player expanding their portfolio.
Field is in decline phase from a 2019 peak
Annual filing volume peaked at 24 records in 2019 and has retreated sharply, consistent with a field where foundational design approaches are established and incremental differentiation is harder to protect. R&D investment is better directed toward adjacent application branches — such as LiDAR safety or optical-fiber transmission — where coverage is thinner and novel claims are easier to carve out.
Life-cycle: DeclineSingle dominant filer controls the core design space
Kyocera SLD Laser’s 70 patent records represent a commanding lead that is unlikely to be closed by organic filing alone in the near term. The mid-tier — Google, Sense Photonics, Avago, Bosch, and Trumpf — each hold between 5 and 9 records, forming a fragmented second tier. Acqui-hire or licensing of Kyocera SLD Laser IP is the fastest path to freedom-to-operate for a new entrant in the laser-diode safety core.
High concentrationTrumpf and Bosch co-file; Bosch and Philips form a second active pair
The most active co-filing relationships in this corpus are Trumpf Photonic Components with Robert Bosch (3 joint records) and Robert Bosch with Koninklijke Philips (3 joint records). Both pairings reflect European industrial partnerships bridging photonic components and broader sensing or lighting applications. These alliances suggest that Bosch serves as a hub connector between component specialists and end-product integrators.
EU industrial pairsUnited States is the near-exclusive filing jurisdiction
The United States accounts for the largest share of patent records at this filing level, with Europe (EPO) and WIPO (PCT) as secondary channels and the United Kingdom carrying a smaller share. China, Japan, South Korea, and Taiwan each have minimal representation, indicating that laser diode eye-safety IP protection is concentrated in Western markets. Applicants with Asia-Pacific commercialisation plans face limited prior-art barriers in those jurisdictions but also weaker protection if they file there.
US-centric filingGo 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 |
|---|---|---|
| Trumpf Photonic Components GmbH | Robert Bosch GmbH | 3 |
| Robert Bosch GmbH | Koninklijke Philips NV | 3 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Kyocera SLD Laser leads in core laser design; Sense Photonics anchors the LiDAR route
The leader and primary challenger occupy distinct technology routes within the broader eye-safety field, reducing direct head-to-head competition while limiting licensing leverage across the combined space.
Kyocera SLD Laser Inc
With 70 patent records, Kyocera SLD Laser is the dominant incumbent. Its technology emphasis centres on H01S 5 (laser diode structures), F21V 29 (thermal management in lighting), and F21K 9 (LED and laser light sources), indicating a vertically integrated position covering device design through luminaire integration. Recent filing momentum shows a +7% increase relative to the prior period, suggesting the portfolio is still being actively extended despite the field’s overall decline.
patent records: 70Sense Photonics Inc
Sense Photonics holds 9 patent records and focuses sharply on G01S 17 and G01S 7 (LiDAR and ranging systems) alongside H01S 5, making it the leading applicant in the LiDAR-safety intersection of this corpus. This route is technically differentiated from Kyocera SLD Laser’s lighting-integration emphasis. Filing momentum shows a new-entrant trajectory, coming from a small prior base, which reflects the company’s relatively recent formation.
patent records: 9| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Kyocera SLD Laser Inc | 16 | ▲ +7% |
| Trumpf Photonic Components GmbH | 2 | ▲ new entrant |
| Robert Bosch GmbH | 2 | ▲ new entrant |
LiDAR safety and optical transmission are under-served adjacent branches worth watching
Several IPC branches sit at the intersection of laser diode eye safety and high-growth application areas but carry comparatively few records in this corpus, indicating room for targeted filing by technically prepared entrants.
G01S · LiDAR and ranging safety
G01S (Radar, sonar and positioning) accounts for 44 records in the corpus — significant in absolute terms but representing only 7% of all IPC occurrences, a share well below H01S’s dominance. With autonomous vehicles and industrial robotics driving LiDAR deployment, eye-safety requirements for high-power pulsed laser sources are a real engineering problem. Sense Photonics has staked a position here, but the branch remains open relative to its commercial urgency; an applicant with robust beam-monitoring or protective-housing innovations could establish a meaningful foothold.
Search this in Eureka →H04B · Optical transmission and eye-safety interlock
H04B (Transmission, general) carries 40 records and a 6% share — the second-largest adjacent branch. Fibre-optic and free-space optical communication systems require eye-safety interlocks at connectors and terminals, a requirement increasingly relevant as data-centre and last-mile optical links scale in power. This sub-space is sparsely covered relative to the underlying commercial deployment volume. Applicants with automatic laser shutdown or power-monitoring circuit innovations would find limited prior art in this specific intersection.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | H01S 5 · Lasers & stimulated emission | G02B 27 · Optical elements & systems | G01S 7 · Radar, sonar & positioning | H01S 3 · Lasers & stimulated emission | H04B 10 · Transmission (general) |
|---|---|---|---|---|---|
| SLD Laser (formerly SLD Laser) | Strong · 38 | Moderate · 11 | Moderate · 17 | Absent | Moderate · 11 |
| Kyocera SLD Laser Inc | Strong · 32 | Moderate · 11 | Moderate · 10 | Emerging · 2 | Moderate · 9 |
| Sense Photonics Inc | Strong · 9 | Absent | Strong · 8 | Strong · 7 | Absent |
| Agilent Technologies Ltd | Strong · 10 | Absent | Absent | Strong · 6 | Absent |
| Trumpf Photonic Components GmbH | Strong · 7 | Absent | Absent | Absent | Absent |
Frequently asked questions
Kyocera SLD Laser Inc leads with 70 patent records among the top-100 ranked applicants, more than seven times the count of any other single filer in this corpus.
No. Annual filing volume peaked at 24 records in 2019 and has retreated to 6 records in both 2023 and 2024. The lifecycle stage is classified as Decline, with annual volume having eased substantially from its 2019 peak. The near-zero 2025–2026 figures reflect publication lag and should not be read as actual cessation.
The United States is the primary filing jurisdiction. Europe (EPO) and WIPO (PCT) are secondary channels. China, Japan, South Korea, and Taiwan each have very limited representation, indicating that the IP landscape is concentrated in Western markets.
H01S (Lasers and stimulated emission) is the dominant branch by a wide margin. G02B (Optical elements and systems), F21V (Lighting device components), and G01S (Radar, sonar and positioning) form a secondary tier in the technology composition.
The evidence shows two active co-filing pairs: Trumpf Photonic Components with Robert Bosch (3 joint records), and Robert Bosch with Koninklijke Philips (3 joint records). Robert Bosch appears as the hub connector in both relationships.
G01S (LiDAR and ranging safety) and H04B (optical transmission interlocks) are the two largest adjacent branches with relatively sparse coverage relative to their commercial relevance. Both carry fewer than 7% of total IPC occurrences, leaving room for targeted claims by technically prepared entrants.
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