Assignee
Inventors
- Koichi Mizutani (39 patents)
- Masumi Nagasaka (8 patents)
- Takashi Yamaguchi (417 patents)
- Takamasa Kitamura (10 patents)
- Masato Seki (26 patents)
- Satoru Matsumoto (68 patents)
- Kenji Takine (10 patents)
US Patent 6089535 · Granted Jul 18, 2000