Assignee
Inventors
- Kenji Fujiwara (69 patents)
- Hisanori Yatoh (1 patents)
- Masao Gotoh (12 patents)
- Juichi Sasada (4 patents)
- Masanori Yamauchi (1 patents)
- Katsuyoshi Tatenuma (7 patents)
- Osamu Arai (34 patents)
- Takuji Taguchi (4 patents)
US Patent 6521575 · Granted Feb 18, 2003