Assignee
Inventors
- Shigetoshi Ippoushi (10 patents)
- Tetsuro Ogushi (13 patents)
- Kazushige Nakao (8 patents)
- Hiroaki Ishikawa (63 patents)
- Toshiyuki Umemoto (8 patents)
- Hiroshi Chiba (85 patents)
- Mihoko Shimoji (10 patents)
US Patent 6983790 · Granted Jan 10, 2006