Assignee
Inventors
- Mutsumi Kuroda (8 patents)
- Hiroshi Ohtsuka (21 patents)
- Hiroyuki Yamashita (190 patents)
- Mikio Sakaguchi (22 patents)
- Hiroyuki Kondo (110 patents)
- Kouichi Hatano (6 patents)
- Fumio Sai (9 patents)
US Patent 5705473 · Granted Jan 6, 1998