Assignee
Inventors
- Akihiko Ohba (4 patents)
- Toru Matsushita (15 patents)
- Masahiro Kageyama (50 patents)
- Hiroshi Yoshigi (15 patents)
- Taizo Kinoshita (17 patents)
- Tatsundo Suzuki (5 patents)
- Yukio Kumagai (7 patents)
- Hisao Tanabe (15 patents)
US Patent 6334022 · Granted Dec 25, 2001