CHELSIO COMMUNICATIONS INC
High-performance Ethernet network adapter cards and unified storage software for data center networking
- Sector
- Semiconductors
- Headquarters
- Sunnyvale, CA
- Latest Form D
- $9.3M, Sep 2009
- Total capital
- $9.3M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $9.3M
- 1 Form D · last Sep 2009
- 205 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 16
- 7 pending · first 2014
- Rank in peer group#41 of 224
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$9.3M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 224 peers
Line = medianSemiconductors · Device
- Granted patents#41 · top 18%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
Researcher links verified by same-company patents and grants- Kianoosh NaghshinehResearcherDirector, Executive OfficerLinked by 1 patent
- Esfandiar LohrasbpourDirectorNamed in SEC Form D filings
- Forest BaskettDirectorNamed in SEC Form D filings
- Jose SuarezDirectorNamed in SEC Form D filings
What it has protected
USPTO · 16 granted of 23- PendingSimultaneously Executing A Plurality Of Remote Direct Memory Access (rdma) Protocols Over The Same Port Of A Network Interface Controller (nic)USPTOApplication 18969023
- GrantedDigital Processing Unit (dpu) Including An Interconnected Network Interface Controller (inic) InterfaceUSPTOUS 12,645,617
- PendingMapping Of Tags To Multiple Virtually Contiguous Buffers For Direct Data PlacementUSPTOApplication 18925593
Show all 23 patent records
- Simultaneously Executing A Plurality Of Remote Direct Memory Access (rdma) Protocols Over The Same Port Of A Network Interface Controller (nic)Jun 4, 2026 · Application 18969023Pending
- Digital Processing Unit (dpu) Including An Interconnected Network Interface Controller (inic) InterfaceJun 2, 2026 · US 12,645,617Granted
- Mapping Of Tags To Multiple Virtually Contiguous Buffers For Direct Data PlacementApr 30, 2026 · Application 18925593Pending
- Kernel Bypass For Iscsi And Nvme/tcp ApplicationsApr 23, 2026 · Application 19414889Pending
- Kernel Bypass For Iscsi And Nvme/tcp ApplicationsJan 13, 2026 · US 12,524,366Granted
- Programmable Processing Of Network Protocol PacketsDec 9, 2025 · US 12,495,005Granted
- Split-level Processing Of Network Packets Using Hardware CircuitrySep 25, 2025 · Application 18613982Pending
- Method To Integrate Co-processors With A Protocol Processing PipelineJun 1, 2021 · US 11,025,752Granted
- Replication In A Protocol Offload Network Interface ControllerJun 9, 2020 · US 10,681,145Granted
- Method For In-line Tls/ssl Cleartext Encryption And AuthenticationMar 5, 2019 · US 10,225,239Granted
- Distributed Cache Coherent Shared Memory Controller Integrated With A Protocol Offload Network Interface CardJun 20, 2017 · US 9,684,597Granted
- Method For Efficient Routing In A Network Interface CardApr 18, 2017 · US 9,628,370Granted
- Method And Apparatus For Configuring And Booting With More Than One Protocol Using Single Option Rombios Code On Multi Function Converged Network AdapterApr 11, 2017 · US 9,619,245Granted
- Network Adaptor Configured For Connection Establishment OffloadJan 3, 2017 · US 9,537,878Granted
- Method For Congestion Control In A Network Interface CardSep 13, 2016 · US 9,444,754Granted
- Method For Out Of Order Placement In Pdu-oriented ProtocolsSep 13, 2016 · US 9,444,769Granted
- Multi-function Interconnect Having A Plurality Of Switch Building BlocksAug 9, 2016 · US 9,413,695Granted
- Failover And Migration For Full-offload Network Interface DevicesMay 31, 2016 · US 9,357,003Granted
- Failover And Migration For Full-offload Network Interface DevicesNov 11, 2014 · US 8,886,821Granted
- Intrusion Detection And Prevention Processing Within Network Interface CircuitryOct 7, 2014 · US 8,856,947Granted
- Non-blocking Scalable Switching FabricApplication PCTUS2002011709Pending
- Multi-purpse Swithing Network Interface ConterllerApplication PCTUS2002012679Pending
- Reduced-overhead DmaApplication PCTUS2002011582Pending
Related companies, and why
- AMS Holdings, LLCSimilar federal contract value in Semiconductors · null in contracts
- Photodigm Holdings, Inc.Similar federal contract value in Semiconductors · null in contracts
- TM TECHNOLOGIES INCSimilar federal contract value in Semiconductors · null in contracts
- EDGEPOINT POWER SOLUTIONS, LLCSimilar federal contract value in Semiconductors · null in contracts
- Lattrex Inc.Similar federal contract value in Semiconductors · null in contracts
- Third Rail Bar LLCSimilar federal contract value in Semiconductors · null in contracts
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .