Assignee
Inventors
- Yoshinori Asakawa (4 patents)
- Sachiko Okabe (2 patents)
- Masashi Yamada (106 patents)
- Yukie Suma (7 patents)
- Hiroto Suzuki (14 patents)
- Masayuki Uchida (10 patents)
- Natsuko Murata (2 patents)
US Patent 6608105 · Granted Aug 19, 2003