Assignee
Inventors
- Masahide Mohri (15 patents)
- Hironobu Koike (20 patents)
- Shinichiro Tanaka (69 patents)
- Tetsu Umeda (8 patents)
- Hisashi Watanabe (183 patents)
- Kunio Saegusa (19 patents)
- Akira Hasegawa (259 patents)
US Patent 6303091 · Granted Oct 16, 2001