Assignee
Inventors
- Sanshiro Matsuo (14 patents)
- Taro Hirose (15 patents)
- Keiichi Izumi (13 patents)
- Masaya Suzuki (19 patents)
- Noriyasu Sakamoto (47 patents)
- Kazunori Tsushima (39 patents)
- Shigeru Saito (83 patents)
- Hirotaka Takano (25 patents)
US Patent 5952386 · Granted Sep 14, 1999