Assignee
Inventors
- Takuya Aoki (52 patents)
- Yuichi Shimasaki (78 patents)
- Hiroaki Kato (180 patents)
- Akihisa Saito (38 patents)
- Takashi Komatsuda (27 patents)
- Tetsu Teshirogi (15 patents)
- Takayoshi Nakayama (27 patents)
- Hideo Furumoto (12 patents)
US Patent 5806307 · Granted Sep 15, 1998