Assignee
Inventors
- Keikichi Murakami (8 patents)
- Mitsuharu Kishimoto (8 patents)
- Yoshio Uchiyama (10 patents)
- Kenichi Yajima (8 patents)
- Masaru Takiura (1 patents)
- Satoshi Tatsuta (2 patents)
- Yukihiko Koza (2 patents)
- Sumio Satoh (1 patents)
US Patent 5246482 · Granted Sep 21, 1993