Assignee
Inventors
- Shinya Matsui (50 patents)
- Toshimitsu Hirakue (4 patents)
- Masakazu Ozawa (24 patents)
- Junichi Asano (36 patents)
- Masanori Morita (12 patents)
- Eiichi Motai (7 patents)
- Tetsuto Kageyama (9 patents)
- Yasuyuki Ishii (71 patents)
US Patent 6170945 · Granted Jan 9, 2001