Assignee
Inventors
- Sadao Kumai (1 patents)
- Tsutomu Suzuki (127 patents)
- Tatsuaki Hirohata (4 patents)
- Takehito Ushiki (2 patents)
- Masaaki Miyamoto (45 patents)
- Hidemi Nakanishi (6 patents)
- Yoshitaka Shiraishi (6 patents)
US Patent 6537627 · Granted Mar 25, 2003