Assignee
Inventors
- Yasunori Kawaishi (17 patents)
- Kenichi Mizuma (11 patents)
- Hideya Furuta (19 patents)
- Yoshihiro Sakai (66 patents)
- Leo Munakata (3 patents)
- Hideki Kamiyama (10 patents)
- Minoru Sugiyama (30 patents)
US Patent 6057869 · Granted May 2, 2000