Assignee
Inventors
- Masao Enomoto (6 patents)
- Masami Muraoka (12 patents)
- Keiichi Ono (25 patents)
- Atsuyuki Kojima (16 patents)
- Toshio Atsumi (12 patents)
- Yoshihiro Komuro (4 patents)
- Yuzuru Sanemitsu (41 patents)
- Masato Mizutani (19 patents)
US Patent 4849434 · Granted Jul 18, 1989