Assignee
Inventors
- Hikaru Takakura (15 patents)
- Mio Morishita (8 patents)
- Katsuhiko Yamamoto (6 patents)
- Masanori Mitta (11 patents)
- Kiyozo Asada (47 patents)
- Susumu Tsunasawa (6 patents)
- Ikunoshin Kato (211 patents)
US Patent 6261822 · Granted Jul 17, 2001