Assignee
Inventors
- Mamoru Tomita (31 patents)
- Kazuyoshi Sotoyama (12 patents)
- Ryozo Watanabe (5 patents)
- Kenji Mizuguchi (4 patents)
- Hideo Shidara (5 patents)
- Shoji Wakao (5 patents)
- Masanori Hattori (20 patents)
- Nobuyuki Motoyoshi (2 patents)
US Patent 6331324 · Granted Dec 18, 2001