Sumitomo Electric Lightwave CORP.
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersRaleigh, NC
US patents31
SAM.gov UEIGF56V1XMM3L6
CAGE code1JL32
Incorporated inNC
- splicers
- cleavers
- tools
- Healthcare
- Government
- Military
- optical cable solutions
- data center solutions
- cable assemblies
- cassettes
- enclosures
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
31 US patents granted 1995–2025, 2 of them in the five years to SEP 2025.
Optics 26Telecommunications 1Measurement 1Micro-structural and nano-technology 1Machine tools 1
- Optical connection structure, optical connector, and optical connecting methodUS 12,248,185 · granted MAR 11, 2025
- Optical connection structure, optical connector, and optical connecting methodUS 11,815,723 · granted NOV 14, 2023
- Optical fiber rackUS 10,641,979 · granted MAY 5, 2020
- Reduced fiber count networks, devices, and related methodsUS 10,541,754 · granted JAN 21, 2020
- Measurement system and measurement methodUS 10,523,317 · granted DEC 31, 2019
Newest 5 shown · Granted to Sumitomo Electric Lightwave CORP. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sumitomo Electric Lightwave CORP. | Raleigh | NC | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


