Assignee
Inventors
- Toyoshige Sasaki (23 patents)
- Mitsuyoshi Nagano (11 patents)
- Eiji Okuma (1 patents)
- Shinzou Mitomi (1 patents)
- Tetsuo Uchiyama (21 patents)
- Shigeo Inoue (22 patents)
- Haruka Tamura (1 patents)
US Patent 6133182 · Granted Oct 17, 2000