Assignee
Inventors
- Noboru Oshima (42 patents)
- Yooichiroh Maruyama (4 patents)
- Nobuyuki Sakabe (9 patents)
- Katsutoshi Sawada (14 patents)
- Kenzo Ohkita (7 patents)
- Yuuichi Hashiguchi (2 patents)
- Tarou Kanamori (6 patents)
- Kouji Kawahara (5 patents)
US Patent 6639021 · Granted Oct 28, 2003