Assignee
Inventors
- Naomi Ishizuka (3 patents)
- Akihito Matsumoto (15 patents)
- Eiichi Kono (11 patents)
- Motoji Suzuki (12 patents)
- Akihiro Sato (168 patents)
- Hiroshi Matsuoka (110 patents)
- Masafumi Kanai (1 patents)
US Patent 6617529 · Granted Sep 9, 2003