Assignee
Inventors
- Susumu Ikeda (20 patents)
- Toshimi Isobe (15 patents)
- Atsuo Inoue (71 patents)
- Toshihiko Fujita (7 patents)
- Akihiro Tajiri (15 patents)
- Mitsuru Ishikawa (37 patents)
- Choji Sakuma (14 patents)
- Nobuyuki Yuri (21 patents)
US Patent 5590540 · Granted Jan 7, 1997