Assignee
Inventors
- Toshihiro Takeuchi (24 patents)
- Tadashi Imanaka (12 patents)
- Shigeru Akutsu (9 patents)
- Keiji Kiuchi (7 patents)
- Takeshi Mashimo (4 patents)
- Atsushi Tsuzaki (9 patents)
- Hidemichi Ohta (2 patents)
US Patent 5980711 · Granted Nov 9, 1999