Assignee
Inventors
- Yoshio Takeuchi (3 patents)
- Norio Shibata (1 patents)
- Emiko Suzuki (2 patents)
- Yoichi Iimura (11 patents)
- Takashi Kosasa (15 patents)
- Yoshiharu Yamanishi (20 patents)
- Hachiro Sugimoto (36 patents)
US Patent 6277866 · Granted Aug 21, 2001