Assignee
Inventors
- Tsutomu Yamada (142 patents)
- Masahiko Saito (100 patents)
- Shoji Suzuki (157 patents)
- Hiromichi Endoh (15 patents)
- Noritaka Matsumoto (21 patents)
- Hirokazu Kasashima (25 patents)
- Manabu Yamauchi (55 patents)
US Patent 8302081 · Granted Oct 30, 2012