Optical Transceiver Material Patents: Leaders & Trends 2026
- Filing has plateaued, not grown. activity peaked in 2023 at 21 filings after a 2022 midpoint of 16, with no sign of a renewed climb — this is a maturing claim space, not an emerging one.
- The United States dominates the filing venue. 197 of 295 records were filed there, more than six times the next-largest office (EPO, 29), which tells you where enforcement risk actually concentrates.
- Co-assignment is rare — only three pairs exist across the whole dataset. most of this work is filed solo, so joint-venture or licensing signals are the exception, not the pattern, when you're mapping who talks to whom.
Filing growth compares 2021 (19 records) with 2024 (14) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 295 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks patent families at the intersection of optical transceivers, optical modules and co-packaged optics with advanced material claims — III-V materials, silicon photonics substrates, lithium niobate and indium phosphide — restricted to laser, waveguide and semiconductor-device IPC classes. It spans 295 published records filed between 2015 and mid-2026, with the most recent year necessarily undercounted because publication lags filing by roughly 18 months.
The technology composition skews heavily toward optical elements and lasers rather than pure semiconductor processing, which matches an industry where the material choice (III-V gain regions, lithium niobate modulators, InP integration) is claimed alongside the optical architecture rather than as a standalone process patent.
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Filing trends and technology composition
Two views of the same 295-family dataset: how filing volume has moved year over year, and which IPC subclasses carry the claim weight.
A plateau, not a growth curve
Filings rose from 15 in 2017 to a peak of 21 in 2023, but the 2022 midpoint of 16 sits close to both endpoints — the trend is flat-to-declining rather than accelerating, and the partial 2026 count should be read with the publication lag in mind.
Optical elements and lasers carry the claim density
G02B (optical elements & systems, 204 records) and H01S (lasers, 172) dominate the composition; G02F (optical control & modulation, 67) and H01L (semiconductor devices, 41) are secondary but non-trivial, while H04J multiplexing and G06F data-processing classes are thin — a sign that material claims here are bound tightly to the optical path rather than to downstream digital processing.
Shares are the percentage of the 295 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Optical Transceiver Advanced Materials with Eureka
This page is one run against one query. Ask Eureka your own question about optical transceiver advanced materials and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited prior art
WO2026096301A1 — Multi-channel laser-to-external modulator array coupling enabled co-packaged optics
A multi-channel laser-to-external modulator array coupling enabled co-packaged optics (CPO) architecture. The CPO module integrates optical and electrical communication devices on a first-level substrate near a host switch ASIC, enabling high-bandwidth interconnects with reduced power consumption and minimized electrical losses. Configurations include remote lasers with blindmate optical connectors for safe replacement and integrated on-chip lasers for enhanced reliability in WDM systems. The module uses hybrid integrated modulators made of materials such as TFLN, InP, EO polymers, KTP, and BaTiO3, connecting via MPO connectors.Filed by OPTILAB, LLC, published 2026-05-07 — one of the most recent records in the dataset.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20030113067A1 | Multifunctional intelligent optical modules based on planar lightwave circuits | 118 |
| 2 | US20120001166A1 | Parellel optical transceiver module | 116 |
| 3 | US20090226130A1 | Optical Transceiver Module with Optical Windows | 95 |
| 4 | US10754091B1 | Integrated coherent optical transceiver, light engine | 85 |
| 5 | US6344664B1 | Electro-optical transceiver system with controlled lateral leakage and method of making it | 81 |
| 6 | US9740079B1 | Integrated optical transceiver with electronically controlled optical beamsteering | 74 |
| 7 | US20050040413A1 | Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, producti… | 71 |
| 8 | US6661939B2 | Optical module and method for manufacturing same | 70 |
| 9 | US20100092128A1 | Optical Transceiver module | 66 |
| 10 | US20160266322A1 | Optical module including silicon photonics chip and coupler chip | 65 |
Citation counts favour older filings inside any searched corpus — treat these as markers of influence on the field's foundations, not as current state of the art.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for a filing decision
Three read-throughs from the trend, venue and citation data that matter more than the raw counts on their own.
Enforcement risk sits in the US first
Two-thirds of all records in this dataset were filed in the United States, dwarfing EPO (29), Japan (26), WIPO (18), China (11) and Canada (9). A freedom-to-operate check that skips the US filing corpus is checking the wrong shelf.
This is a plateaued field, not a growing one
After rising from 15 filings in 2017 to a peak of 21 in 2023, volume has not pushed higher — the 2022 midpoint of 16 shows the growth had already levelled before the peak. Treat new entrants here as competing for occupied space, not open space.
Almost nobody co-files here
Only three co-assignee pairs exist across the entire corpus, each appearing once or twice. Joint development in this field is either kept off the patent record or genuinely uncommon — either way, don't expect licensing signals from co-filing patterns.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to optical transceiver advanced materials, with the prior art for and against each one.
Who is filing, and who has stopped
Recent-year momentum is the more useful signal here than cumulative rank: several of the largest historical filers show zero activity in the latest year, which the ranking table alone won't tell you.
Two of the most active historical filers went to zero
Sumitomo Electric Industries, Ltd. and Huawei Technologies Co., Ltd. both show 0 filings in the latest year with a -100% year-on-year change, alongside several other major historical assignees (NEC Corporation, Fujitsu Limited, Fujitsu Optical Components Limited) also at zero. This is either a pause, a shift to trade-secret practice, or simply the publication lag masking work not yet visible.
Filing is overwhelmingly solo
The strongest co-assignee link in the dataset — Sumitomo Electric Industries, Ltd. with Sumitomo Electric Device Innovations, Inc. — appears only twice, and the same pattern holds for NTT Innovative Devices Corporation with Hitachi, Ltd., and Huawei Technologies Co., Ltd. with Institute of Semiconductors, Chinese Academy of Sciences. Corporate-institute pairings exist but are marginal in volume.
US filing dominance doesn't match where R&D headcount sits
Given the strong presence of Japanese and Chinese assignees in the top-filer list, the concentration of receiving-office activity in the US (197) versus China (11) suggests companies are filing defensively in their largest commercial or litigation market rather than their home jurisdiction.
| Assignee | Recent year | YoY |
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 0 | -100% |
| NEC Corporation | 0 | — |
| Fujitsu Optical Components Limited | 0 | — |
| Huawei Technologies Co., Ltd. | 0 | -100% |
| Fujitsu Limited | 0 | — |
| TERACONNECT INC | 0 | — |
| Juniper Networks, Inc. | 0 | -100% |
| NTT Innovative Devices Corporation | 0 | — |
Where to take this analysis
The dataset points to a mature, US-concentrated field with specific under-claimed material combinations. The next steps depend on whether you're clearing a product or scouting a filing.
Run a freedom-to-operate check on the under-claimed materials
The gate chips above — EO-polymer and BaTiO3 modulator integration in particular — show thin coverage relative to core silicon-photonics and III-V claims. Confirm that thinness holds once you narrow to your specific architecture.
Explore in Patsnap EurekaWatch the assignees that went quiet
Several of the historically largest filers show zero filings in the most recent year. Track whether that's a genuine pause or a publication-lag artefact before assuming the field has gone stagnant among incumbents.
Set up monitoring in Patsnap EurekaCommon questions on this landscape
This landscape covers patent families that combine optical transceiver, optical module or co-packaged optics architectures with advanced material claims — specifically III-V materials, silicon photonics substrates, lithium niobate and indium phosphide. These materials are used for the laser gain regions, modulators and waveguides inside the transceiver rather than for the surrounding electronics. In practice, most filings claim the material alongside a specific optical function, such as a modulator design or a laser-coupling scheme, rather than the material in isolation.
Filing activity in this dataset is led by a mix of Japanese and Chinese firms with long histories in optical components, alongside US-based specialists. However, several of the largest historical filers — including major Japanese and Chinese assignees — show zero filings in the most recent year, so cumulative rank and current momentum tell different stories. Anyone assessing 'who leads' should check both the all-time ranking and the recent-year trend before drawing conclusions.
No — filing volume peaked in 2023 at 21 records after rising from 15 in 2017, and the 2022 midpoint of 16 shows growth had already flattened before that peak. The partial 2026 count is expected to be low regardless, since patent publication typically lags filing by around 18 months. Taken together, the pattern looks like a plateaued field rather than one still accelerating.
Based on receiving-office data, the United States accounts for 197 of the 295 records in this dataset, far ahead of Europe (29), Japan (26), the WIPO PCT route (18), China (11) and Canada (9). That concentration suggests the US is treated as the primary enforcement and commercial venue for this technology, so a filing strategy that skips it is skipping where most of the existing claim density — and litigation risk — actually sits. Regional strategy should still be adapted to where your own manufacturing and customers are.
WO2026096301A1, filed by OPTILAB, LLC and published in May 2026, claims a co-packaged optics architecture using hybrid integrated modulators built from multiple material systems — including thin-film lithium niobate (TFLN), indium phosphide, EO polymers, KTP and BaTiO3 — connected through blindmate optical connectors and MPO interfaces. It reflects a shift toward combining several advanced materials within one module rather than committing to a single material system. As one of the newest records in the dataset, it's a useful marker of where claim drafting is heading, though it's too recent to have accumulated citations.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.