Assignee
Inventors
- Kenichi Yanagi (21 patents)
- Mitsuo Kato (28 patents)
- Kazuya Tsurusaki (16 patents)
- Toshio Taguchi (21 patents)
- Kenji Atarashiya (7 patents)
- Tadashi Rokkaku (7 patents)
- Ichiro Yamashita (66 patents)
US Patent 5288386 · Granted Feb 22, 1994