Assignee
- Sumitomo Electric Industries
- Communications Research Laboratory, Independent Administrative Institution
Inventors
- Yuji Takata (9 patents)
- Hideaki Matsuo (26 patents)
- Seiji Igi (6 patents)
- Shan Lu (69 patents)
- Yuji Nagashima (20 patents)
US Patent 6256400 · Granted Jul 3, 2001