Assignee
Inventors
- Senji Kato (27 patents)
- Nobuhisa Ohkawa (16 patents)
- Shigeru Sone (5 patents)
- Tadahisa Naganawa (14 patents)
- Yoshihito Moriya (57 patents)
- Yoshiya Yamashita (11 patents)
- Hitoshi Uda (4 patents)
- Yuji Yoshihara (4 patents)
US Patent 5628286 · Granted May 13, 1997