Assignee
Inventors
- Hirofumi Kamitakahara (21 patents)
- Yukitoshi Ohkubo (12 patents)
- Naoki Kushida (40 patents)
- Hitoshi Yoshino (139 patents)
- Osamu Kanome (50 patents)
- Tetsuya Sato (156 patents)
- Hisanori Hayashi (20 patents)
US Patent 5308235 · Granted May 3, 1994