Assignee
Inventors
- Kuniharu Takayama (26 patents)
- Masahiro Matsuoka (22 patents)
- Takeshi Koshiba (15 patents)
- Shinya Hosogi (7 patents)
- Minoru Sekiguchi (17 patents)
- Yoshiharu Maeda (28 patents)
- Hirohisa Naito (42 patents)
US Patent 6330539 · Granted Dec 11, 2001