Assignee
Inventors
- Toshifumi Otsubo (112 patents)
- Hiroyuki Tanji (34 patents)
- Yoshitaka Mishima (67 patents)
- Naomi Suzuki (15 patents)
- Kazuaki Onishi (24 patents)
- Norihiko Ishikawa (11 patents)
- Yoko Yabe (3 patents)
US Patent 6450998 · Granted Sep 17, 2002