Assignee
Inventors
- Yasushi Koike (15 patents)
- Shoji Akino (3 patents)
- Osamu Asakura (44 patents)
- Mizuko Matsumoto (2 patents)
- Takeshi Bungo (2 patents)
- Hirohide Matsuhisa (20 patents)
- Takeshi Iwasaki (130 patents)
- Izumi Uraki (3 patents)
US Patent 6864294 · Granted Mar 8, 2005