Assignee
Inventors
- Masaru Yoshitake (10 patents)
- Eiji Yanagisawa (4 patents)
- Naoki Yoshida (155 patents)
- Masuo Sugisaki (1 patents)
- Atsuyoshi Takenaka (10 patents)
- Yutaka Segawa (12 patents)
- Toshihiro Ohashi (4 patents)
- Hiroshi Wakatsuki (6 patents)
US Patent 5628807 · Granted May 13, 1997