Assignee
Inventors
- Shigeki Niwa (8 patents)
- Etsuhiro Hasebe (6 patents)
- Kazuo Itoh (95 patents)
- Toshihiro Indoh (2 patents)
- Kohji Saitoh (41 patents)
- Tamotsu Wakita (2 patents)
- Masahiko Uchita (2 patents)
- Hiroshi Hikima (10 patents)
US Patent 5730892 · Granted Mar 24, 1998