Assignee
Inventors
- Motoyuki Miyata (11 patents)
- Masahiko Yatsu (147 patents)
- Hiroyuki Akata (8 patents)
- Masaharu Deguchi (16 patents)
- Katsuyuki Watanabe (36 patents)
- Takashi Naitou (27 patents)
- Koji Hirata (281 patents)
US Patent 7198390 · Granted Apr 3, 2007