Assignee
Inventors
- Youichi Suzuki (31 patents)
- Keiji Abe (10 patents)
- Yasuki Tsutsumi (9 patents)
- Sachiko Aoki (4 patents)
- Fumihiko Yoshiro (4 patents)
- Harunobu Hirayama (3 patents)
- Masahito Hanaoka (4 patents)
US Patent 6047435 · Granted Apr 11, 2000