Assignee
Inventors
- Gaku Watanabe (21 patents)
- Kenichi Kondo (36 patents)
- Nobuo Fukushima (80 patents)
- Masayoshi Sekine (67 patents)
- Koichi Sono (19 patents)
- Motohiro Ishikawa (16 patents)
- Yuji Koide (30 patents)
US Patent 6642958 · Granted Nov 4, 2003