Assignee
Inventors
- Ryouichi Furukawa (6 patents)
- Kazuyuki Suko (13 patents)
- Masayuki Hiranuma (2 patents)
- Unknown
- Hirohiko Yamamoto (29 patents)
- Tadanori Yoshida (17 patents)
- Masayuki Ishizaka (4 patents)
- Maki Shimoda (7 patents)
US Patent 6770528 · Granted Aug 3, 2004