Assignee
Inventors
- Kiyotoshi Sekiguchi (17 patents)
- Kaneji Asakawa (2 patents)
- Eiji Sakashita (6 patents)
- Kazuo Hino (3 patents)
- Sadahito Shin, deceased (5 patents)
- Tetsuya Tachikawa (4 patents)
- Hisanobu Hirano (3 patents)
US Patent 5571679 · Granted Nov 5, 1996