Assignee
Inventors
- Tetsuya Kiyonaga (20 patents)
- Tetsuo Watanabe (133 patents)
- Tatsuro Kunikane (13 patents)
- Hiroyuki Furukawa (103 patents)
- Yoshimitsu Sakai (8 patents)
- Sadayuki Miyata (7 patents)
- Takeo Iwama (5 patents)
US Patent 5652767 · Granted Jul 29, 1997