Assignee
Inventors
- Takushi Nishiya (14 patents)
- Hideyuki Yamakawa (17 patents)
- Shoichi Miyazawa (30 patents)
- Seiichi Mita (71 patents)
- Yoichi Uehara (12 patents)
- Takashi Nara (69 patents)
- Akihiko Hirano (43 patents)
US Patent 5940416 · Granted Aug 17, 1999