Assignee
Inventors
- Rikio Chijiiwa (8 patents)
- Hiroyuki Ogawa (244 patents)
- Koichi Shinada (4 patents)
- Yoshinori Ogata (8 patents)
- Hiroshi Tamehiro (19 patents)
- Hajime Ishikawa (23 patents)
- Isamu Kimoto (1 patents)
- Yoshio Terada (38 patents)
US Patent 5723089 · Granted Mar 3, 1998