Assignee
Inventors
- Hirofumi Nakayasu (29 patents)
- Hiroji Uchimura (4 patents)
- Morihisa Kawahara (14 patents)
- Tsutomu Nagatomi (17 patents)
- Kouichi Kobayashi (50 patents)
- Youji Houki (22 patents)
- Takeo Kojima (16 patents)
US Patent 6070041 · Granted May 30, 2000