Assignee
Inventors
- Tadahiro Ohmi (600 patents)
- Kazuo Chiba (15 patents)
- Hideo Kume (4 patents)
- Yutaka Mikasa (5 patents)
- Matagoro Maeno (13 patents)
- Yoshinori Nakagawa (168 patents)
- Hiroto Izumi (8 patents)
- Kazuhito Yamane (3 patents)
US Patent 5725907 · Granted Mar 10, 1998