Assignee
Inventors
- Yoshio Kawamura (47 patents)
- Kan Yasui (70 patents)
- Masahiko Sato (241 patents)
- Souichi Katagiri (30 patents)
- Masayuki Nagasawa (17 patents)
- Kunio Harada (45 patents)
- Satoshi Osabe (2 patents)
- Ui Yamaguchi (18 patents)
US Patent 6663468 · Granted Dec 16, 2003