Assignee
Inventors
- Kazutoyo Oosuka (15 patents)
- Keisuke Kawano (12 patents)
- Hiroyuki Wakabayashi (57 patents)
- Akimitsu Suguira (1 patents)
- Naruhiko Inayosi (2 patents)
- Tomonari Chiba (11 patents)
- Katsuhisa Kato (27 patents)
US Patent 6525636 · Granted Feb 25, 2003