Assignee
- Sei Optifrontier Co.
- Sumitomo Electric Industries
- Japan Communication Accessories Manufacturing Co.
- Sumitomo Electric Lightwave
Inventors
- Kazuya Masuda (25 patents)
- Takayasu Yamauchi (10 patents)
- Takayuki YOKOCHI (17 patents)
- Unknown
US Patent 10175443 · Granted Jan 8, 2019