Assignee
Inventors
- Yoshitami Ohashi (2 patents)
- Haruhisa Hirata (7 patents)
- Seigo Nakaya (3 patents)
- Azusa Katou (1 patents)
- Yuji Aiba (2 patents)
- Naomi Kokubo (14 patents)
- Nobuyuki Suzuki (295 patents)
- Makoto Maeda (51 patents)
US Patent 5648455 · Granted Jul 15, 1997