Assignee
Inventors
- Masafumi Ide (52 patents)
- Takashi Akiyama (125 patents)
- Kanetaka Sekiguchi (47 patents)
- Masami Kikuchi (22 patents)
- Yuichi Akiba (16 patents)
- Koji Nakagawa (61 patents)
- Takashi Toida (36 patents)
US Patent 6271901 · Granted Aug 7, 2001