Assignee
Inventors
- Chiyoko Matsumi (50 patents)
- Ichiro Arimura (6 patents)
- Akira Iketani (47 patents)
- Masazumi Yamada (60 patents)
- Tatsuro Juri (118 patents)
- Yukio Kurano (10 patents)
- Yoshinori Kitamura (31 patents)
- Chojuro Yamamitsu (19 patents)
US Patent 6508596 · Granted Jan 21, 2003