Assignee
Inventors
- Hisamitsu Koga (9 patents)
- Kazunori Handa (8 patents)
- Nobuyuki Kawai (25 patents)
- Kenichi Saga (4 patents)
- Nobuya Furukawa (9 patents)
- Akira Maeda (121 patents)
- Tomiji Oowada (1 patents)
- Hiroaki Yoshida (190 patents)
US Patent 6033041 · Granted Mar 7, 2000