Assignee
Inventors
- Tatsuji Saigo (3 patents)
- Takashi Maeda (225 patents)
- Kazuo Wakabayashi (3 patents)
- Kensuke Moritan (1 patents)
- Saburo Imai (6 patents)
- Shigeru Inagaki (3 patents)
- Hidenori Fujioka (9 patents)
- Yuji Hosoi (15 patents)
US Patent 6229558 · Granted May 8, 2001