Assignee
Inventors
- Yoshiharu Takeuchi (22 patents)
- Kiyoji Aburaya (7 patents)
- Toshiharu Yasu (10 patents)
- Masahiro Tsubokawa (15 patents)
- Manabu Sakai (39 patents)
- Shoji Aoshika (4 patents)
- Tsutayoshi Narita (4 patents)
US Patent 6116877 · Granted Sep 12, 2000