Assignee
Inventors
- Shigeo Kizu (6 patents)
- Hidenari Ikeda (1 patents)
- Masahiro Nakashika (9 patents)
- Yasuyoshi Nishikawa (4 patents)
- Toshinobu Murakami (3 patents)
- Keisuke Ogi (3 patents)
- Fumihiko Murakami (5 patents)
US Patent 5758013 · Granted May 26, 1998