Assignee
Inventors
- Unknown
- Yasuo Kitami (10 patents)
- Toshiyuki Watanabe (157 patents)
- Minoru Nakajima (23 patents)
- Yasuyuki Sando (8 patents)
- Yoshinori Mita (18 patents)
- Koichiro Ozawa (5 patents)
- Harumi Takedomi (22 patents)
US Patent 5756227 · Granted May 26, 1998