Assignee
Inventors
- Hirotoshi Eguchi (21 patents)
- Shuzo Matsumoto (16 patents)
- Kenichi Ogata (14 patents)
- Kiyoshi Yamaguchi (63 patents)
- Takayuki Hiyoshi (11 patents)
- Mitsuru Shingyohuchi (8 patents)
- Masanori Kusunoki (16 patents)
US Patent 6729716 · Granted May 4, 2004