Assignee
Inventors
- Setsuo Kawakami (4 patents)
- Minoru Koizumi (48 patents)
- Kinji Mori (73 patents)
- Kozo Nakai (20 patents)
- Hirokazu Kasashima (25 patents)
- Yasuo Suzuki (361 patents)
- Katsumi Kawano (57 patents)
- Masayuki Orimo (43 patents)
US Patent 6249877 · Granted Jun 19, 2001