Assignee
Inventors
- Tokuji Ishida (150 patents)
- Yasuo Nakanishi (3 patents)
- Toshihiko Ishimura (59 patents)
- Takehiro Katoh (43 patents)
- Kenji Ishibashi (98 patents)
- Yoshihiro Hara (99 patents)
- Unknown
- Hiroshi Yoshino (68 patents)
US Patent 5809344 · Granted Sep 15, 1998