Assignee
Inventors
- Shiro Kumagai (6 patents)
- Katsuo Akishino (17 patents)
- Reijiro Komagome (6 patents)
- Michiyasu Yoshida (12 patents)
- Tateo Kume (18 patents)
- Masaki Nishizawa (3 patents)
- Seiji Ishida (45 patents)
- Takehisa Fujita (8 patents)
US Patent 5077971 · Granted Jan 7, 1992