Assignee
Inventors
- Hitoshi Ohmori (41 patents)
- Naoki Arai (19 patents)
- Kiyotaka Noguchi (1 patents)
- Takahisa Deguchi (1 patents)
- Tamotsu Toeda (1 patents)
- Hiroyuki Oguma (1 patents)
- Hisayoshi Shindo (1 patents)
- Yutaka Nagai (107 patents)
US Patent 6149504 · Granted Nov 21, 2000