Assignee
Inventors
- Tatsumi Hamanaka (3 patents)
- Mitsuyoshi Seki (2 patents)
- Takatoshi Kawabata (3 patents)
- Toshiyuki Murahashi (3 patents)
- Tadahiro Honda (3 patents)
- Yoshiyuki Kaneko (126 patents)
- Hiroyuki Iwashita (2 patents)
US Patent 5758688 · Granted Jun 2, 1998