Assignee
Inventors
- Naomichi Suzuki (4 patents)
- Toyoji Asahina (1 patents)
- Shizuo Yamaguchi (3 patents)
- Hiroshi Ogawa (431 patents)
- Hisato Hiraishi (14 patents)
- Yoshihiko Yanagawa (5 patents)
- Nagao Mizutani (11 patents)
US Patent 5289209 · Granted Feb 22, 1994