Assignee
Inventors
- Toshiaki Takeda (10 patents)
- Hiroji Chahara (1 patents)
- Kazuhiro Terayama (4 patents)
- Yasuo Fukagawa (1 patents)
- Michihiro Kitahama (4 patents)
- Makoto Kanou (8 patents)
- Ichiro Oshima (5 patents)
- Shinji Fujita (81 patents)
US Patent 6112390 · Granted Sep 5, 2000