Assignee
Inventors
- Masayoshi Shinhama (7 patents)
- Junichi Hiyama (2 patents)
- Hiroyuki Tamura (36 patents)
- Shinya Kaneko (40 patents)
- Enichi Ishiwa (2 patents)
- Yoshihiro Sasaki (57 patents)
- Yoshiaki Koga (13 patents)
US Patent 6267177 · Granted Jul 31, 2001