Assignee
Inventors
- Kunimichi Nakashima (16 patents)
- Tetsuo Teramura (2 patents)
- Yasukazu Yamaguchi (4 patents)
- Akiyoshi Tashiro (8 patents)
- Hirotaka Imaizumi (2 patents)
- Mitsuyoshi Taniguchi (4 patents)
- Koji Toyama (26 patents)
US Patent 6082939 · Granted Jul 4, 2000